Elecrow DIY gear kit, 60 gears, 0.5 module, ABS plastic, gear racks, worm belts

2.4G 4dBi WiFi-Antenne mit Abdeckung Erlebe verbesserte WiFi-Verbindungen mit der 2.4G 4dBi WiFi-Antenne von Elecrow. Diese Antenne bietet dir eine beeindruckende Signalverstärkung im 2.4 GHz Frequenzbereich, ideal für DIY-Projekte und Anwendungen, die eine stabile und zuverlässige WLAN-Verbindung benötigen. Mit einer Signalstärke von 4dBi und einer Impedanz von 50 Ohm sorgt sie für eine optimale Leistung. Dank des kompakten Designs und des ipex13-Anschlusses lässt sie sich einfach in verschiedenste Projekte integrieren. Sie ist robust und kann in einem breiten Temperaturbereich von -40°C bis +65°C betrieben werden, was sie vielseitig einsetzbar macht.  Merkmale im Überblick Frequenzbereich: 2400 ~ 2500 MHz für zuverlässige Verbindung. Impedanz: 50 Ohm, für optimale Leistung angepasst. Leicht und einfach zu integrieren in DIY-Projekte. Technische Daten Frequenz: 2400 ~ 2500 MHz S.W.R.: <= 2.0 @ 2400 MHz ~ 2500 MHz Antennengewinn: 4dBi Impedanz: 50 Ohm Betriebstemperatur: -40 °C ~ + 65 °C Lagertemperatur: -40 °C ~ + 80 °C Gewicht: 3g Lieferumfang 1x 2.4G 4dBi WiFi-Antenne

Elecrow 8mm Waterproof Android OTG Endoscope USB Inspection Snake Camera (5M) The OTG endoscope supports computers and Android phones that have OTG and UVC functions, such as Samsung Galaxy S5, S6, S7 Edge, Note 2, Note 3 and so on. It is small and lightweight with an 8mm camera head outer diameter and a control box to adjust the lighting for computers and Android phones. In addition, six LED lights can be adjusted and videos can be recorded to review the whole process for later observation and analysis. This product includes a connection cable that connects the endoscope to your laptop to perform inspections. It is convenient as no change of connection or cable is required. Nowadays, it has wide application in waterproof micro cameras, vehicle detectors, search and rescue, criminal and customs inspection, PCB inspection, home care, aerospace industry, tractor industry, oil drilling industry and so on. Note: Due to the high approval requirements of Google phones, we cannot guarantee that all Google phones can use this product. Please avoid using this product with Google phones if possible. Features at a glance Supports Android phones - Has OTG and UVC function after installing the "CameraFi" app from Google Store, such as Samsung Galaxy S4, S5, S6, Note 2, Note 3, Note 4, Note 5, HTC M9, M9+, M8, LG G4, etc. Supports computers - Windows XP and lower versions without software installation (plug and play), VISTA and Windows 7/8 require software installation from the manual link Built-in 6 LED lights (with brightness control) HD CMOS camera that helps you take clear photos and videos Adjustment of six LED lights and video recording to check the whole process for later observation and analysis Wide applications in underwater cameras, vehicle detectors, PCB inspection, tractor industry, oil drilling industry and so on Technical specifications Cable length: 5m Camera head outer diameter: 8mm Waterproof rating: IP67 (CE FCC ROHS certified) Camera focal length: 6cm Camera resolution: 640x480 (phone) / 1280x720 (PC) Other data Supports computers and Android phones with OTG and UVC function Small and lightweight, ideal for mobile applications Scope of delivery 1x user manual 1x 8mm Waterproof Android OTG Endoscope USB Inspection Snake Camera (5M) 1x hook pouch

Elecrow aircraft lighting system with Attiny85 microcontroller This DIY aircraft lighting system is ideal for hobbyists, modellers and technology enthusiasts. The specially designed circuit board mimics the authentic light patterns of real aircraft, with LEDs controlled by the Attiny85 microcontroller. The system provides realistic lighting effects that are perfect for model aircraft or as a stand-alone decorative element. It is easy to assemble and offers precise lighting control. This system is specially designed to recreate the lighting of an aircraft by simulating navigation and position lights. The Attiny85 microcontroller controls the LEDs to create the desired lighting effects. The modular design allows for easy customisation, and the base can be manufactured using a 3D printer, allowing the system to be customised. The lighting system is powered by a 5V power supply, either by USB or battery. These features make it particularly interesting for modellers who want to add detailed lighting effects to realistic aircraft models. It is also suitable for educational projects and circuit designs in the field of microcontroller programming. Features at a glance Simulates the lighting of an aircraft with navigation and position lights Power supply via 5V, controlled by the Attiny85 microcontroller Modular design with 3D printable stand Compatibility Compatible with Arduino and similar microcontroller projects Technical specifications Microcontroller: Attiny85 Power supply: 5V (via USB or battery) Lighting: LEDs to simulate aircraft lights (navigation lights, position lights) Board design: Customised board in the shape of an aircraft Dimensions: Maximum 100x100mm Stand: 3D printable (link available for download) Other data Ideal for model aeroplanes, dioramas and educational projects Suitable for microcontroller programming and circuit design Scope of delivery 1x aircraft lighting board with pre-assembled components 1x Attiny85 microcontroller (pre-programmed) 1x instruction manual (digital or printed) 1x link to download the 3D print file for the stand Links Wiki 3D printing link

Elecrow aluminium rotary knob with illuminated ring The Elecrow aluminium rotary knob with illuminated ring is a functional control component that meets both aesthetic and practical requirements. The rotary knob is made of an aluminium shell, which ensures a long service life, while the inside is made of plastic. This combination of materials ensures robust and reliable use. The integrated LED ring provides visual feedback, which is particularly helpful in dark environments. This illumination makes it easier to operate the knob and enables better visibility. The rotary knob is specially designed for use with RGB encoders and is ideal for applications in audio and lighting control systems. With its easy mounting and durable design, the rotary knob is a versatile solution for various projects that require user-friendly control and visual feedback. Combining functional control and attractive illumination, the rotary knob provides a useful solution for systems where visual indicators are required to control settings or status. The integration of the LED ring and the simple design make it a suitable choice for applications that require clear visual feedback. Features at a glance Aluminium rotary knob with illuminated LED ring External cover made of aluminium, inner material made of plastic Suitable for RGB encoders Elegant design in black finish Compatibility RGB encoders Control systems that require visual feedback Technical specifications Diameter: 22.20 mm Total height: 15 mm External shell: Aluminium Inner structure: Plastic Other data Available in black with illuminated LED ring Scope of delivery 1x aluminium rotary knob with illuminated ring

Elecrow aluminium rotary knob silver with illuminated ring The Elecrow aluminium rotary knob with illuminated ring is a functional control component that meets both aesthetic and practical requirements. The rotary knob consists of an aluminium shell, which ensures high durability, while the interior is made of plastic. This combination of materials ensures robust and reliable use. The integrated LED ring provides visual feedback, which is particularly helpful in dark environments. This illumination makes it easier to operate the knob and enables better visibility. The rotary knob is specially designed for use with RGB encoders and is ideal for applications in audio and lighting control systems. With its easy mounting and durable design, the rotary knob is a versatile solution for various projects that require user-friendly control and visual feedback. Combining functional control and attractive illumination, the rotary knob provides a useful solution for systems where visual indicators are required to control settings or status. The integration of the LED ring and the simple design make it a suitable choice for applications that require clear visual feedback. Features at a glance Aluminium rotary knob with illuminated LED ring External cover made of aluminium, inner material made of plastic Suitable for RGB encoders Elegant design in silver look Compatibility RGB encoders Control systems that require visual feedback Technical specifications Diameter: 22.20 mm Total height: 15 mm External shell: Aluminium Inner structure: Plastic Other data Available in silver finish with illuminated LED ring Scope of delivery 1x aluminium rotary knob silver with illuminated ring

Elecrow ATtiny Keychain - Digital Dice - Digital Dice on a Keychain The Elecrow ATtiny Keychain Digital Dice is a compact, practical digital dice designed in the form of a keychain. It is ideal for applications where quick decisions need to be made or for games where a dice roll is required. A simple press of a button activates the dice, which then generates a random number and displays it using RGB LEDs. The dice works with a CR1620 button cell battery, which provides a runtime of over a year, so it offers a long service life even with frequent use. The compactness of the device (40.5 x 18 x 6 mm) makes it easily portable and practical as a key fob. Uses: Game nights: The digital dice is ideal for board games or card games that traditionally require a dice. Especially for games that do not require real dice, the ATtiny Keychain Digital Dice can be a modern and practical alternative. Make quick decisions: In everyday situations where a quick decision needs to be made (e.g. when choosing options or assigning tasks), the digital dice can simply be picked up and a random number generated at the touch of a button. Gift for technology enthusiasts: The Elecrow ATtiny Keychain Digital Dice is also an interesting gift for technology enthusiasts. The possibility of programming the dice with customised firmware makes the product an exciting gadget for makers and developers. Functional accessory: The digital cube can be used as a key ring, which in addition to its practical function as a cube also serves as a stylish, technical accessory. The RGB LEDs in particular make the cube visually appealing. Development and customisation: The available programming pads for user-defined firmware give developers the opportunity to adapt the cube to their own requirements. The key fob comes without a housing, which a maker can design themselves using a 3D printer. Features at a glance Very compact dimensions - ideal as a key fob Programming pads available for customised firmware Low power consumption for longer battery life RGB LEDs for display Low battery status is indicated when all LEDs light up red Compatibility ATtiny1616 microcontroller, compatible with customised firmware Technical specifications Microcontroller: ATtiny1616 Dimensions: 40.5 x 18 x 6 mm (LxWxH) Power supply: CR1620 button cell (included) Battery life: over 1 year Other data Low battery indicator via red LEDs Scope of delivery 1x PCBA Digital Dice Keychain 1x CR1620 button cell battery Links Source code

Arduino Automatic Smart Plant Irrigation Kit 2.1 The Arduino Automatic Smart Plant Irrigation Kit 2.1 offers a smart solution for automatic plant irrigation. It is based on the Arduino Leonardo and contains a pump, capacitive soil moisture sensors, a water switch for up to four plants and water pipes. An integrated RTC enables time-controlled irrigation, while a 0.96 inch OLED screen displays the time and soil moisture. Thanks to corrosion-resistant sensors, the system is durable. After uploading the Arduino programme, the board continuously monitors the soil moisture and controls the irrigation in a targeted manner. The kit is easy to use, offers many customisation options and is ideally designed for optimal plant care. Features at a glance Based on Arduino Leonardo, integrated into the mainboard. RTC to set watering time and 0.96 inch OLED to display time and soil moisture status. Includes pump, capacitive soil moisture sensors and water switch. Corrosion-resistant soil moisture sensors for a long service life. Can water up to 4 plants simultaneously. The board uses 4 soil moisture sensors to determine the moisture level in the soil and directs water to the plants accordingly. The water switch can separate water flows and direct them to up to 4 plants. The circuit board switches the pump on when a plant needs water and switches it off again after watering. DC power supply is recommended before uploading new codes. Technical specifications Weight: 1050g Size of the box: 25 x 19 x 5.7 cm Length of the water pipe: 5 m Length of the 4-pin crowtail cable: 1 m Smart Pump Shield: On/off switch Button RTC button cell holder Solenoid valve interface Pump interface Moisture sensor interface Relay Serial interface Breakout interface: D7, A4, II C Reset button Micro-USB interface I2C interface Mega32u4 chip Power interface 1.3" OLED screen Scope of delivery Arduino Automatic Smart Plant Irrigation Kit 2.1: 1x Crowtail Smart Pump Shield v2.1 4x Crowtail capacitive humidity sensor 1x 5m 4x6mm water pipe 1x 4-way valve 1x DC 12V adapter 1x water pump 4x 1m 4-pin crowtail cable 1x five-way pipe 1x USB cable Links Instruction manual Example code: Download example code

Elecrow ELE Can-Bus Shield-V1.5 CAN-BUS is a common industrial bus characterised by long transmission distances, medium communication speed and high reliability. It is often used as a diagnostics bus in the automotive industry and is also common in modern machine tools. This CAN bus shield adds CAN bus capabilities to the Arduino platform. It utilises the Microchip MCP2515 CAN controller with MCP2551 CAN transceiver. The CAN connection is made via a standard 9-pin sub-D connector, ideal for use with OBD-II cables in automotive applications. The shield also features a micro SD card holder to store diagnostic data directly to the SD card, making it ideal for data logger applications. Features at a glance Compatible with Arduino Mega and Leonardo Supports CAN V2.0B with up to 1 Mb/s SPI interface with up to 10 MHz Supports standard (11-bit) and extended (29-bit) data and remote frames Two receive buffers with prioritised message management Industry standard 9-pin D-sub connector Two LED indicators for status display Micro SD card holder for information storage Technical data CAN V2.0B, up to 1 Mb/s SPI interface up to 10 MHz Support for 11-bit and 29-bit data and remote frames Two receive buffers for messages 9-pin Sub-D connector (OBD-II compatible) Micro SD card holder Other data Compatibility: Arduino Mega, Leonardo Scope of delivery 1x CAN-BUS Shield Links to Wiki

Elecrow Lora RFM95 IOT Board für RPI Das Lora RFM95 IOT Board für RPI besteht aus dem drahtlosen Transportmodul RFM95. Das Modul kann ultralange Datenübertragungen durchführen, indem es eine Langstrecken-Spreizspektrum-Kommunikation und eine hohe Störfestigkeit bietet. Es hat auch die Funktion, Daten durch Wände zu übertragen. Das drahtlose Übertragungsmodul wird hauptsächlich in Fernsteuerungen, Telemetrie, Fernkommunikationsgeräten, Robotersteuerungen und drahtlosen Kommunikationssystemen verwendet. Seine hohe Störfestigkeit bietet Ihrem Projekt ein hohes Maß an Komfort. Darüber hinaus ist dieses IOT-Board auch mit Crowtail kompatibel. Merkmale im Überblick LoRaTM Modem 168 dB maximales Link-Budget Ausgezeichnete Blockierungsimmunität Kompatibel mit I2C Langstreckenübertragung Automatisierte Zählerablesung Eingebauter Temperatursensor und Batterieanzeige Eingebauter Bitsynchronisierer zur Taktwiederherstellung Technische Daten Betriebsfrequenz: 915MHZ bei RFM95 Ausgangsleistung: 20dbm Maximaler Emissionsstrom: 120mA Aufgenommener Strom: 12mA Schlafstrom: 2ua Übertragungsrate: 300kbps Leistung: 3.7-5V Sonstige Daten Hauptsächlich verwendet in Fernsteuerungen, Telemetrie, Fernkommunikationsgeräten, Robotersteuerungen und drahtlosen Kommunikationssystemen Kompatibel mit Crowtail Lieferumfang 1x Lora RFM95 IOT Board für RPI Links WIKI

Elecrow CrowPanel ESP32 1.54" E-paper HMI display with 152*152 resolution, black/white, SPI interface This CrowPanel ESP32 1.54-inch E-paper HMI display uses advanced display technology and offers an active matrix electrophoresis display. The anti-glare, hard-coated surface ensures that the content is clearly visible even in sunlight and mimics the appearance of paper. The display offers a high resolution of 152*152, a black and white display and is suitable for various application scenarios. The built-in ESP32-S3 chip ensures stable performance and fast data transmission via the SPI interface. The design includes multiple interfaces and buttons, such as a BAT interface, UART0 interface, 2x10-pin GPIO interface, back button, home button and rotary switch, which facilitates development and operation. The white acrylic housing is not only visually appealing, but also protects the screen. Thanks to its broad compatibility with Arduino IDE, ESP IDF and MicroPython, the display simplifies the development process. It offers ultra-wide viewing angle technology, extremely low power consumption and does not require a backlight. The content remains visible even after a power failure. Features at a glance 1.54-inch e-paper display, 152*152 resolution, black and white, SPI interface ESP32-S3 as main chip, frequency up to 240 MHz Pure reflection display, without backlight, content remains visible in the event of a power failure Anti-glare, hard-coated display surface for clear visibility even in direct sunlight Extremely low power consumption and partial refresh function, saves energy Compatible with Arduino IDE, ESP IDF and MicroPython Full viewing angle technology, visible from any angle Rich interfaces and buttons (GPIO, UART, home button, etc.) for easy development Technical specifications Size: 1.54 inch MCU: ESP32-S3, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoresis Display (AM EPD) Driver chip: SSD1680 Resolution: 152*152 pixels Pixel size: 0.227*0.226 Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI Interfaces: UART0x1, BATx1 Buttons: Rotary switch, menu button, back button, reset button, boot button Development environment: Arduino IDE, ESP IDF, MicroPython Display colour: Black and white Update mode: Partial update (saves more energy) Operating voltage: 2.2~3.7V Housing: White acrylic housing Operating temperature: -0~50℃ Storage temperature: -25~70℃ Active area: 37.18(H)*48.32(L) Other data Extremely low power consumption in standby mode and during updating Scope of delivery 1x 1.54 inch e-paper display 1x USB cable

Elecrow CrowPanel e-paper HMI display, 2.13 inch, 122x250 resolution, ESP32-S3, SPI, black and white This CrowPanel ESP32 2.13-inch e-paper HMI display uses advanced display technology. It is equipped with an active matrix electrophoresis display and a hard-coated, anti-glare surface that ensures that the content remains clearly visible even in sunlight and perfectly replicates the appearance and reading feel of conventional paper. The display offers a high resolution of 122*250 pixels and a classic black and white display suitable for various application scenarios. The built-in ESP32-S3 chip serves as the main controller, ensuring strong performance and fast and stable data transmission via the SPI interface. The design includes multiple interfaces and buttons, including the BAT interface, UART0 interface, 2x10-pin GPIO interface, back button, home button and a rotary switch, which enable easy development and operation. The white acrylic housing is not only aesthetically pleasing, but also protects the screen. Features at a glance 2.13-inch e-paper display, 122*250 resolution, black and white, SPI interface communication; ESP32-S3 as the main chip, frequency up to 240 MHz; Full viewing angle support, clearly visible from any angle; High contrast and high reflection provide better visual performance; Pure reflection mode, no backlight required, the displayed content will not be lost even in case of power failure; Hard-coated, anti-glare display surface, clearly visible even in direct sunlight; Supports Arduino IDE, ESP IDF and MicroPython development environments, for an easy development experience; Extremely low power consumption and partial refresh function, saving energy; Rich interfaces and buttons (e.g. GPIO interface, UART interface, home button) for easy development and operation. Technical specifications Size: 2.13 inch MCU: ESP32-S3, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoretic Display (AM EPD) Driver chip: SSD1680Z, JD79661 Resolution: 122(H)*250(V) pixels Pixel pitch: 0.227*0.226 Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI Interfaces: UART0x1, BATx1, GPIOx1 Buttons: Rotary switchx1, menu buttonx1, back buttonx1, REST buttonx1, BOOT buttonx1 Development environment: Arduino IDE, ESP IDF, MicroPython Display colours: Black and white Update mode: Partial update (saves more energy) Operating voltage: 2.2~3.7V Housing: White acrylic housing Operating temperature: -0~50℃ Storage temperature: -25~70℃ Active area: 31.2(H)*63.19(L) mm Other data Compatible with Arduino IDE, ESP IDF and MicroPython for versatile application development. Scope of delivery 1x 2.13 inch e-paper display 1x USB cable

Elecrow CrowPanel E-Paper HMI Display, 2.9 inch, 128x296 resolution, ESP32-S3, SPI, black and white This 2.9-inch ESP32 e-paper HMI display offers a resolution of 128*296 pixels and a classic black and white display that provides a paper-like reading experience. It has high contrast and reflectivity as well as hard-coated anti-glare technology, which ensures excellent visualisation in all lighting conditions. The integrated ESP32-S3 chip controls the fast data transfer via the SPI interface. Various interfaces and operating elements such as BAT interface, UART0 interface, GPIO interface, back button, home button and rotary switch enable developers to programme and control the device easily. The white acrylic housing is not only aesthetically pleasing, but also protects the screen. Based on the ESP32 chip, the display offers broad compatibility with the Arduino IDE, ESP IDF and MicroPython development environments. The ultra-wide viewing angle design makes it possible to enjoy the image from any angle in brilliant quality. With its extremely low power consumption, little energy is consumed during refresh, ensuring a long battery life. The Pure Reflection mode requires no backlight and the content remains visible after a power failure. Due to its excellent features such as low power consumption, high contrast and high reflection, this e-paper display is widely used for shelf signage, price tags, badges, smart labels, smart home devices, e-readers and portable devices. It is an ideal choice for various smart applications and devices. Features at a glance 2.9-inch e-paper display, 128*296 resolution, black and white, SPI interface ESP32-S3 as the main chip, clock frequency up to 240 MHz Supports full viewing angle, clearly visible from any angle Hard anti-glare screen, remains visible even in direct sunlight Ultra-low power consumption with partial refresh function Rich interfaces and buttons for easy development and operation Supports Arduino IDE, ESP IDF and MicroPython Technical specifications Size: 2.9 inch MCU: ESP32-S3-WROOM-1-N8R8, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoretic Display (AM EPD) Driver chip: SSD1680Z Resolution: 128(H)*296(V) pixels Pixel pitch: 0.227*0.226 mm Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI Interfaces: UART0x1, BATx1, GPIIOx1, TF Card Slotx1 Buttons: Rotary switchx1, menu buttonx1, back buttonx1, RESET buttonx1, BOOT buttonx1 Development environment: Arduino IDE, ESP IDF, MicroPython Display colour: Black and white Refresh mode: Partial refresh (saves more energy) Operating voltage: 2.2~3.7V Acrylic housing: White acrylic housing Operating temperature: -0~50℃ Storage temperature: -25~70℃ Active area: 29.056(H)*66.896(L) mm Other data Rich interfaces and buttons for easy operation Scope of delivery 1x 2.9 inch e-paper display 1x USB cable

Elecrow CrowPanel e-paper HMI display, 3.7 inch, 240x416 resolution, ESP32-S3, SPI, black and white This CrowPanel ESP32 3.7" e-paper HMI display has a resolution of 240*416 and a classic black and white display that offers a paper-like reading experience. Thanks to its high contrast and reflectivity and hard-coated anti-glare technology, it offers excellent visual performance in all lighting conditions. The integrated ESP32-S3 chip serves as the main controller, ensuring strong performance and fast, stable data transmission via the SPI interface. The display is equipped with various interfaces and buttons, including BAT interface, UART0 interface, 2x10-pin GPIO interface, back button, home button and rotary switch, allowing developers to easily programme and control it. The white acrylic case is not only beautiful, but also protects the screen. Based on the ESP32 chip, another highlight is its wide compatibility. It is compatible with three development environments: Arduino IDE, ESP IDF and MicroPython, which simplifies the secondary development process. The ultra-wide viewing angle design allows you to enjoy the same brilliant image from any angle. The ultra-low power consumption feature uses very little energy when refreshing, ensuring a long battery life. The reflective-only mode means that no backlight is required and the information remains clearly visible even after a power failure, with no loss of information. Features at a glance 3.7-inch e-paper display, 240*416 resolution, black and white, communication via SPI interface ESP32-S3 as main chip, clock frequency up to 240 MHz Supports full viewing angle, clearly visible from any angle High contrast and high reflectivity provide a clearer and more vivid visual display Pure reflection mode, no backlight required, the displayed content is maintained even when the power is switched off Hard-coated, anti-glare surface that keeps content clearly visible even in direct sunlight Extremely low power consumption and partial refresh function, saves considerable energy Rich buttons and interfaces (e.g. GPIO interface, UART interface, home button, etc.) for easy development and operation Supports Arduino IDE, ESP IDF and MicroPython development environments to ensure a smooth development experience Technical specifications Size: 3.7 inch MCU: ESP32-S3-WROOM-1-N8R8, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoretic Display (AM EPD) Driver chip: UC8253 Resolution: 240(H)*416(V) pixels Pixel pitch: 0.196*0.196 Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI, standard 4-wire SPI Interfaces: UART0x1, BATx1, GPIOx1, TF card slotx1 Buttons: Rotary switchx1, menu buttonx1, back buttonx1, reset buttonx1, boot buttonx1 Development environment: Arduino IDE, ESP IDF, MicroPython Display colour: Black and white Refresh mode: Partial refresh (saves more energy) Operating voltage of the display: 2.2~3.7V Housing: White acrylic housing Operating temperature: 0~50℃ Storage temperature: -25~70℃ Active area: 47.04(H)*81.54(L) mm Scope of delivery 1x 3.7-inch e-paper display 1x USB cable

Elecrow CrowPanel e-paper HMI display, 4.2 inch, 400x300 resolution, ESP32-S3, SPI, black and white The CrowPanel ESP32 4.2" e-paper HMI display uses advanced active matrix electrophoresis technology and is equipped with a hard-coated, anti-glare surface. As a result, the content remains clearly visible even in sunlight and offers a reading experience similar to that of conventional paper. The integrated ESP32-S3 chip ensures powerful performance and fast and stable data transfer via the SPI interface. With a high resolution of 400*300, the display provides fine visualisation and supports black and white display for various application scenarios. It is equipped with multiple interfaces and buttons, including TF card slot, BAT interface, UART0 interface, 2x10-pin GPIO interface, back button, home button and rotary switch, which facilitates development and operation. The white acrylic housing is not only aesthetically pleasing, but also protects the screen. Features at a glance 4.2-inch e-paper display, 400*300 resolution, black and white, SPI interface ESP32-S3 as main chip, frequency up to 240MHz Reflection mode, no backlight required, content remains visible after power failure Hard-coated, anti-glare surface, visible even in direct sunlight High contrast and high reflection provide a clearer visual experience Ultra-low power consumption, partial refresh function saves energy and extends battery life Full viewing angle, clearly visible from any angle Rich buttons and interfaces (e.g. GPIO interface, UART interface, home button) Support for Arduino IDE, ESP IDF and MicroPython development environments Technical specifications Display size: 4.2 inch MCU: ESP32-S3-WROOM-1-N8R8, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoretic Display (AM EPD) Driver chip: SSD1683 Resolution: 400(H)*300(V) pixels Pixel pitch: 0.212*0.212 mm Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI Interfaces: UART0x1, BATx1, GPIOx1, TF card slot x1 Buttons: Rotary switchx1, Menu buttonx1, Back buttonx1, RESET buttonx1, BOOT buttonx1 Development environments: Arduino IDE, ESP IDF, MicroPython Display colour: Black and white Update mode: Partial update (saves more energy) Operating voltage: 2.2~3.7V Housing: White acrylic housing Operating temperature: 0~50°C Storage temperature: -25~70°C Active area: 84.8(H)*63.6(L) mm Scope of delivery 1x 4.2 inch e-paper display 1x USB cable

Elecrow CrowPanel E-Paper HMI Display, 5.79 inch, 272x792 resolution, ESP32-S3, SPI, black and white This CrowPanel ESP32 5.79-inch e-paper HMI display uses advanced electrophoretic display technology with an anti-glare surface that remains clear even in direct sunlight. It offers a resolution of 272*792 pixels and uses a classic black and white display that is suitable for numerous application scenarios. The built-in ESP32-S3 chip as the main controller ensures fast, stable data transmission via the SPI interface. The rich equipment of interfaces and buttons, such as BAT interface, UART0 interface, 2x10-pin GPIO interface, back button, home button and rotary switch, facilitates development and operation. The white acrylic cover protects the display and looks elegant at the same time. Features at a glance 5.79-inch e-paper display, resolution of 272*792, black and white, SPI interface ESP32-S3 chip with up to 240 MHz Pure reflection mode, requires no backlight, content remains visible even after power failure Hard anti-glare coating, reduces reflections High contrast and high reflectivity for clear visuals Ultra-low energy consumption and partial refresh function for long standby times Full viewing angles, clearly visible from any direction Supports multiple development environments: Arduino IDE, ESP IDF, MicroPython Technical specifications Display size: 5.79 inch MCU: ESP32-S3-WROOM-1-N8R8, up to 240 MHz Flash: 8 MB PSRAM: 8 MB Material: Active Matrix Electrophoretic Display (AM EPD) Driver chip: SSD1683*2 Resolution: 272(H) * 792(L) pixels Pixel Pitch: 0.1755*0.1755 Viewing angle: Full viewing angle Communication interface: 3-/4-wire SPI, standard 4-wire SPI Interfaces: UART0x1, BATx1, GPIOx1, TF card slotx1 Buttons: Rotary switchx1, menu buttonx1, back buttonx1, RESET buttonx1, BOOT buttonx1 Development environment: Arduino IDE, ESP IDF, MicroPython Display colour: Black and white Refresh mode: Partial refresh Operating voltage: 2.2~3.7V Operating temperature: 0~50℃ Storage temperature: -25~70℃ Active area: 47.74(H) * 139.00(L) Other data Material: Anti-glare coating and white acrylic shell Scope of delivery 1x 5.79 inch e-paper display 1x USB cable

Elecrow CrowPi L Base Shield Das Elecrow CrowPi L Base Shield ist eine Erweiterungsplatine mit GPIO-Schnittstelle, die speziell für den CrowPi L entwickelt wurde. Es ermöglicht die einfache Verbindung mit über 150 verschiedenen Crowtail-Modulen zur Erforschung und Anwendung von Sensoren. Die Crowtail-Module können direkt über die Schnittstellen des Base Shields angeschlossen werden. Zudem verfügt das Shield über einen integrierten ADC-Chip, der die Verwendung analoger Ausgangsmodule auf dem CrowPi L ermöglicht. Der MCP3008-Chip sorgt für die Kommunikation mit dem Raspberry Pi über die SPI-Schnittstelle. Merkmale im Überblick GPIO-Schnittstelle zur Verbindung mit Crowtail-Modulen Unterstützt über 150 verschiedene Crowtail-Module Integrierter ADC-Chip (MCP3008) für analoge Module Kommunikation über SPI-Schnittstelle Acrylschutzgehäuse für zusätzliche Stabilität Kompatibilität CrowPi L Raspberry Pi mit GPIO-Schnittstelle Technische Daten Größe des Base Shields (Länge x Breite): 73,4 mm x 58,3 mm Größe des Acrylschutzgehäuses (Länge x Breite): 76,7 mm x 68,7 mm Länge des GPIO-Kabels: 100 mm ADC-Chip: MCP3008 Sonstige Daten Material des Schutzgehäuses: Acryl Lieferumfang 1x CrowPi L Base Shield 1x GPIO-Verlängerungskabel 1x Schraubenpaket 2x Acrylschutzgehäuse Links Download der PCB-Spezifikationen

Elecrow CrowPi L - Raspberry Pi Laptop für Programmieranfänger und Hardware Der Elecrow CrowPi L ist ein vielseitiger Raspberry Pi Laptop, der speziell für Programmieranfänger und Hardware-Enthusiasten entwickelt wurde. Es handelt sich um eine Lite-Version des CrowPi2, die viele der gängigen Herausforderungen bei DIY-Raspberry Pi-Laptops verbessert. Der Laptop kommt mit einem 11,6 Zoll Bildschirm, einer integrierten Tastatur mit Touchpad sowie einer praktischen 5000mAh-Batterie, die für bis zu 3 Stunden mobilen Betrieb sorgt. Wichtig zu beachten ist, dass im Lieferumfang kein Raspberry Pi SBC (Single Board Computer) enthalten ist und das Gerät für einen Raspberry Pi 4 konzipiert ist. Das gibt dir die Flexibilität, die für deine Anforderungen passende Version eines Raspberry Pi 4B auszuwählen. Diese Entscheidung ermöglicht es dir, den Laptop an deine individuellen Anwendungszwecke und Projekte anzupassen, oder einen bisher unbenutzten Raspberry Pi in einen Laptop zu verwandeln. Das CrowPi L unterstützt Raspberry Pi 4B, ist jedoch nicht kompatibel mit dem Raspberry Pi 3. Das System ermöglicht eine schnelle und einfache Installation des Raspberry Pi über die magnetische Montage, die den Aufbau erheblich vereinfacht. Durch die Auswahl des passenden Raspberry Pi kannst du sicherstellen, dass dein CrowPi L genau die Leistung und Funktionalität bietet, die du für deine Programmier- und Hardwareprojekte benötigst. Verwendungs-Szenarien Mit dem Elecrow CrowPi L, einem Laptop speziell für den Raspberry Pi 4B, können zahlreiche Projekte effizienter umgesetzt werden, da es den Raspberry Pi in ein tragbares und benutzerfreundliches System integriert. Hier einige Projekte, die besonders von der Laptop-Form profitieren: Mobile Robotersteuerung: Mit dem CrowPi L lässt sich ein Raspberry Pi direkt in einen tragbaren Laptop integrieren, was für die Steuerung von Robotern oder Drohnen ideal ist. Die eingebaute Tastatur, das Touchpad und der Bildschirm ermöglichen eine direkte, mobile Kontrolle und Interaktion mit dem Roboter, ohne dass externe Monitore oder Eingabegeräte erforderlich sind. IoT-Entwicklungsprojekte: Der CrowPi L bietet die Möglichkeit, IoT-Devices (Internet of Things) zu entwickeln und zu testen, indem er eine mobile Plattform bereitstellt, die über den Raspberry Pi auf verschiedene Sensoren und Aktoren zugreifen kann. Die einfache Integration von GPIO-Modulen und der mobile Betrieb sind hier von Vorteil. Programmierkurse und Workshops: Der CrowPi L eignet sich hervorragend für den Einsatz in Programmierschulungen, Workshops oder Hackathons, bei denen Teilnehmer ihren eigenen Laptop zur Hand haben. Der integrierte Bildschirm und die Tastatur bieten eine sofort einsatzbereite Entwicklungsumgebung für das Lernen von Programmiersprachen wie Python. Heimautomation: Mit der tragbaren, autarken Lösung können Maker ihre Heimautomationsprojekte direkt vor Ort konfigurieren und testen. Der Laptop kann als mobile Steuerzentrale für Smart-Home-Geräte oder als Hub für verschiedene Sensoren und Geräte genutzt werden. Spieleentwicklung und -programmierung: Maker, die eigene Spiele oder interaktive Anwendungen entwickeln möchten, können den CrowPi L als vollwertige Entwicklungsumgebung verwenden. Der Bildschirm und die Eingabemöglichkeiten machen es einfach, Spiele direkt zu programmieren, zu testen und zu spielen. Multimedia-Projekte: Der CrowPi L eignet sich gut für Projekte, die die Medienwiedergabe betreffen, wie zum Beispiel digitale Bilderrahmen, Media Center oder interaktive Displays. Die Fähigkeit, das System ohne externe Geräte zu betreiben, macht es einfacher, solche Projekte zu realisieren. Prototyping und Produktentwicklung: Maker, die an der Entwicklung von Hardware-Projekten oder elektronischen Geräten arbeiten, profitieren von der mobilen und flexiblen Natur des CrowPi L. Die Integration des Raspberry Pi in ein Laptop-Design ermöglicht eine kompakte Entwicklungsumgebung für Prototypen und Tests. (Dieser Artikel hat ein schwarzes Tastatur-Layout) Einige Maker haben es geschafft, den Raspberry Pi 5 erfolgreich in das CrowPi L zu integrieren, obwohl das Design des Laptops für den Raspberry Pi 4B ausgelegt ist. Diese Integration erfordert jedoch einiges an Kreativität und Eigenleistung. Es müssten Anpassungen am Gehäuse vorgenommen werden, wie das Schneiden von Öffnungen und das Entfernen von störenden Komponenten wie den USB-Adaptern. Zudem wurden zusätzliche Löcher für PCIe-Adapter gebohrt und Clips für die Befestigung des Boards 3D-gedruckt. Obwohl die Integration des Raspberry Pi 5 technisch möglich ist, wird diese Vorgehensweise nicht empfohlen, da sie den Laptop von seinem ursprünglichen Design entfernt und möglicherweise die Funktionalität oder Stabilität beeinträchtigt. Wer diese Modifikationen vornehmen möchte, muss über die nötigen Werkzeuge und Fertigkeiten verfügen. Kurz gesagt: Es ist mit viel Eigeninitiative und Aufwand umsetzbar, aber nicht ohne Einschränkungen und potenzielle Risiken. Wer bereits einen Raspberry Pi 4B zu Hause hat, sollte diesen verwenden, ohne zusätzliche Anpassungen vornehmen zu müssen. Kombiniere den CrowPi L mit dem Crowtail Starter Kit (nicht enthalten) oder einem CrowPi L Base Shield (nicht enthalten) (Dieser Artikel hat ein schwarzes Tastatur-Layout Crowtail Starter Kit ist nicht enthalten) Merkmale im Überblick 11,6 Zoll Bildschirm (1366*768), integrierte Tastatur mit Touchpad Tastatur Farbe: Schwarz 40P GPIO-Schnittstelle zur Erstellung verschiedener Projekte 96 kostenlose Programmierkurse für Anfänger Eingebaute 5000mAh-Batterie, die das Gerät für 3 Stunden unabhängig arbeiten lässt Unterstützt HDMI-kompatible externe Monitore Dual-System-Umschaltadapterplatine, unterstützt zwei Trans-Flash-Karten Magnetische Montage für schnelle und einfache Installation des Raspberry Pi Kompatibel mit Raspberry Pi 4B (nicht kompatibel mit Raspberry Pi 3) Technische Daten Bildschirm: 11,6 Zoll, 1366*768 IPS Batteriekapazität: 5000mAh GPIO-Schnittstelle: 40 Pin Unterstützung für externen Monitor: HDMI-kompatibel Kompatibel mit: Raspberry Pi 4B Unterstützte Betriebssysteme: Raspberry Pi OS, Ubuntu, Kali Linux Sonstige Daten Programmierkurse: Python, Hardware-Kontrolle, Spielentwicklung Programmiersprachen: Python, Letscode (Grafische Programmierung) Lieferumfang 1 x CrowPi L (ohne Raspberry Pi Board) 4 x Messing-Abstandshalter-Schrauben 4 x Schrauben 1 x 2-in-1 TF-Karten-Adapterplatine 1 x GPIO-Adapterplatine mit Lüfter 1 x 32GB TF-Karte mit angepasstem System 1 x 12V/2A Netzteil 1 x 2,4G Wireless-Maus mit Empfänger 1 x Benutzerhandbuch Passendes Zubehör (nicht enthalten) Elecrow CrowTail Starter Kit Elecrow CrowPi L Base Shield Elecrow CrowPi L Breakout Board Raspberry Pi 4B Links Benutzerhandbuch Wiki FCC Certificate CE EMC Certificate ROHS Certificate CrowPi L OS image - Google Drive

Elecrow Crowtail- Base Shield for Arduino 2.0 The Crowtail-Base Shield is an expansion board that is compatible with the Arduino. It provides all I/O ports of the Arduino in the form of crowtail connectors. These include digital and analogue inputs as well as specialised interfaces such as I2C and UART. The shield makes it easy to connect crowtail modules to an Arduino board. This allows sensors, actuators and other modules to be connected directly without the need for additional wiring or soldering. The product is suitable for prototyping, electronics projects and educational purposes. The standardised connections facilitate the development of Arduino projects and reduce the amount of wiring and troubleshooting required.Thanks to the integrated JST-PH 2.0 4-pin connector, the sensor can be easily and securely connected to microcontrollers or other compatible systems. The JST connector ensures a stable connection and facilitates integration into existing crowtail or DIY projects. Features at a glance Supports an operating voltage of 3.3 V to 5 V DC All Arduino I/O ports are available as crowtail connectors Integrated digital, analogue, I2C and UART interfaces JST-PH 2.0 4-pin connector RoHS compliant Compact design with dimensions of 69.5 mm x 55.2 mm x 23.5 mm Compatibility Arduino Uno Arduino Mega Other Arduino-compatible microcontrollers Technical specifications Operating voltage: 3.3-5 V DC Dimensions: 69.5 mm (L) x 55.2 mm (W) x 23.5 mm (H) RoHS compliant JST-PH 2.0 4-pin connection Other data Enables direct connection of Crowtail modules with Arduino No additional soldering or wiring required Scope of delivery 1x Crowtail-Base Shield Links Base Shield circuit diagram Product Wiki

Elecrow Crowtail- Base Shield for Raspberry Pi 2.0 This base shield enables the connection of Crowtail modules to a Raspberry Pi. It has various interfaces for UART, I2C, analogue and digital signals. The integrated MCP3008 ADC module allows analogue output modules to be used with the Raspberry Pi. Communication between the ADC chip and the Raspberry Pi takes place via the SPI interface. Features at a glance Supports UART, I2C, analogue and digital interfaces Integrated ADC chip MCP3008 for analogue modules Crowtail-compatible interface Compact size: 65 x 56 x 18 mm Compatibility Raspberry Pi models with GPIO interface Crowtail modules with supported interfaces via JST-PH 2.0 4-pin connector Technical specifications Dimensions: 65 x 56 x 18 mm Integrated ADC chip: MCP3008 Supported interfaces: UART, I2C, analogue, digital Communication with Raspberry Pi via SPI Other data Enables easy connection of Crowtail modules to the Raspberry Pi Scope of delivery 1x Crowtail base shield for Raspberry Pi Links User manual

Elecrow crowtail cable, JST-PH 2.0 4-pin connection cable A 4-pin crowtail cable is used to connect modules to a main control board. It enables signal transmission and power supply within a crowtail system. The cable is equipped with a JST-PH 2.0 4-pin connector and enables a stable and reliable connection between compatible components. The modular design eliminates the need for soldering, making integration into existing systems easier. Crowtail is a modular electronics system for connecting sensors, actuators and microcontrollers. It enables a standardised connection via pre-assembled cables and connectors. This 4-pin cable ensures that the modules can be used without additional soldering or complex cabling. The cable is often used to connect input and output modules with control boards in the Arduino, DIY electronics or training systems sector. The simple handling reduces installation effort and configuration errors. The product is used to establish electrical connections between compatible components of a crowtail system. It has a 4-pin JST-PH 2.0 connector that transmits signals and power. It is typically used in electronic projects or training systems where a fast, solder-free connection between sensors, actuators and microcontrollers is required. Overview of features 4-pin connection for crowtail modules Compatible with crowtail systems Enables simple connection without soldering Length: 20.5 cm Compatibility Suitable for crowtail modules Compatible with crowtail-compatible microcontrollers Technical specifications Cable length: 20.5 cm 4-pin connector Other data Connection cable for modular electronic systems Scope of delivery 5 x 4-pin crowtail cable

Elecrow Crowtail Collision Sensor 2.0 The Crowtail Collision Sensor 2.0 is a collision detection sensor for mobile robot platforms. The module detects collisions by activating the built-in switch upon contact with an obstacle.By default, the module outputs a high voltage that changes to a low level as soon as a collision is detected. This enables easy integration into Arduino-based control systems for obstacle detection. The module is compatible with an operating voltage of 3.3V to 5V and can be used directly with Arduino and Crowduino platforms. The connection is made via a crowtail interface and a JST-PH 2.0 4-pin connector, which ensures a secure connection with microcontrollers or other compatible devices. Thanks to its compact design, the sensor can be integrated into various mobile robot applications to automatically detect and react to collisions. The crowtail collision sensor detects collisions, vibrations or impact movements using a mechanical trigger. If such a movement is detected, the sensor emits a short, low output signal. Detection is omnidirectional, i.e. independent of the direction of the impact. An external circuit in the module suppresses interference signals caused by normal vibrations so that only actual collisions are detected. This improves signal stability and prevents false triggering. The high sensitivity allows it to be used in projects such as automatically activating or deactivating devices in response to movement. In simple terms, the sensor works like a switch that triggers automatically when an impact is detected. It is connected to a microcontroller board and switches an LED or other components on or off, for example, depending on the movement. The function is implemented via a short Arduino program that reads the sensor on a digital pin and outputs a signal, e.g. for an LED, when a collision is detected. Features at a glance Collision sensor for detecting obstacles or impacts Interference-free circuit to reduce false alarms Omnidirectional triggering in the event of a collision Compatible with 3.3V to 5V systems JST-PH 2.0 4-pin connector for stable connection Compatibility with Crowtail systems Arduino Crowduino Technical specifications Operating voltage: 3.3V - 5V Mechanical switch for collision detection Power supply: DC 3.0-5.5V Omnidirectional detection RoHS/WEEE compliant Clock frequency: 16 MHz, can be reduced to 1 MHz Dimensions: 28.0 mm x 20.0 mm x 6.8 mm JST-PH 2.0 4-pin connection Other data Compatible with Arduino sensor expansion boards Suitable for automatic wake-up or power-down functions Scope of delivery 1x Crowtail Collision Sensor Links to Wiki page for the Crowtail Collision Sensor

Elecrow Crowtail JST-PH 2.0 4-Pin Connector-HY2.0mm (10 pieces) This 4-pin connector with a pitch of 2.0 mm enables easy connection of cables to circuit boards or components. It is known as a "crowtail connector" and facilitates compatibility between different components during the shielding process. Suitable for fitting sensors such as strain gauges with a JST-PH 2.0 connector. A JST-PH 2.0 connector without cable is a compact connection solution for electronic applications. The grid dimension of 2.0 mm enables space-saving integration into electronic devices and circuits. Due to the lack of pre-assembled cables, the connection can be customised to the respective cable length or specification. The connector supports the creation of flexible connections between sensors, modules and microcontrollers. This flexibility is particularly important for prototypes, customised products and modular systems. In the DIY electronics sector, the JST-PH 2.0 connector is often used to connect sensors with microcontrollers such as Arduino, ESP32 or Raspberry Pi. LED modules, sensor arrays or power supplies for small devices are also typical areas of application. It is suitable for systems with low voltages and moderate currents. Thanks to its reverse polarity protection and compact design, it is also suitable for tight installation situations, such as in housings or wearables. Manual assembly means that any contact problems caused by pre-assembled, inferior connections can be avoided. This ensures a reliable electrical connection. The 4-pin connector is often used in combination with lithium polymer batteries, for example for connection to charging or protective circuits. The connector is also widely used in DIY robotics projects and IoT devices with low power requirements. Features at a glance 4-pin connector Pitch: 2.0 mm Enables simple connection between cables and circuit boards Suitable for crowtail systems Compatibility PCB systems with 2.0 mm pitch Suitable for crowtail modules and connections Compatible with microcontroller platforms such as Arduino, ESP32, Raspberry Pi Technical specifications Dimensions: 12.6 mm (height) x 11.3 mm (width) x 8.3 mm (inner width) Number of pins: 4 Pitch: 2.0 mm Other data Facilitates the connection between cables and various components Suitable for in-house cable production for prototypes or customised solutions Scope of delivery 10x Crowtail 4-pin connector

Elecrow Crowtail-Encoder 2.0 The Elecrow Crowtail-Encoder 2.0 module is an incremental encoder that converts the rotary movement of an axis into electrical pulses. These pulses enable digital detection of the angle of rotation and the direction of rotation, either clockwise or anti-clockwise. The module generates 20 pulses per complete revolution and thus offers a fine resolution for position determination. As an incremental rotary encoder, the module is not subject to any limits regarding the number of rotations, unlike a rotary potentiometer. The output is via two digital signal pins (signal A and signal B), which enables precise angle measurements and direction determination. The digital nature of the signals allows easy integration into control systems and other electronic applications where accurate position data is required. The module has an integrated JST-PH 2.0 4-pin connector. This connector ensures a secure connection with microcontrollers and is compatible with crowtail systems. The connection facilitates integration into DIY projects and existing control solutions. The encoder converts rotary movements into electrical signals. These signals consist of pulses that can be counted. The number of pulses corresponds to the angle of rotation travelled. Two output signals (A and B) make it possible to determine the direction of rotation. An encoder therefore measures how far and in which direction something has been rotated. It is often used in robotics and control systems to detect and control movements. The module can be used to determine position and angle. It is suitable for use in areas such as robotics, DIY electronics, control systems and other microcontroller-based applications. It offers a simple interface for position measurement, supports the detection of the direction of rotation and can be easily combined with microcontrollers such as Arduino or Raspberry Pi. Features at a glance Incremental rotary encoder for detecting the angle and direction of rotation Digital output signals via signal A and B 20 pulses per revolution for high resolution Unlimited rotations possible JST-PH 2.0 4-pin connection for easy integration Suitable for DIY projects, robotics and control systems Compatibility with Arduino Raspberry Pi Crowtail systems Microcontrollers with digital input Technical specifications Model: CT0004EN Voltage range: 4.5 V - 5.5 V DC Typical operating voltage: 5.0 V DC Current consumption: 10 mA (min), 20 mA (typical), 30 mA (max) Dimensions: 20.0 x 20.0 x 36.3 mm Net weight: 7 g Output signals: Digital (signal A, signal B) Rotation range: 360° continuous Connection: JST-PH 2.0, 4-pin Other data Suitable for precise angle and speed measurements Can be used to determine position in interactive systems Supports interrupt-based signal processing Scope of delivery Elecrow Crowtail encoder 2.0 Crowtail 4-pin cable Links to Wiki - Product information Encoder programme Encoder circuit diagram

Elecrow Crowtail Gas Sensor (MQ3) 2.0 - Alcohol The Crowtail Gas Sensor (MQ3) 2.0 is based on the MQ-3 sensor and is used to detect alcohol vapours in the air. The sensor has a high sensitivity to alcohol vapours and a low sensitivity to petrol. The module offers stable performance and a long service life, making it suitable for a wide range of gas applications. An ETA1036 IC is also integrated. This highly efficient synchronous step-up converter achieves an output power of up to 3W at an input voltage from 0.85V with an efficiency of up to 96%. This means that the module can also be used in applications with a low supply voltage. The sensor is compatible with microcontrollers such as Arduino or Raspberry Pi, provided the corresponding interfaces are available. The simple driver circuit enables uncomplicated integration into existing systems. The MQ-3 sensor is part of the MQ sensor series, which includes other variants such as MQ-2, MQ-5 and MQ-9. These sensors are each specialised for different gases. The MQ-3 is suitable for detecting alcohol in concentrations between 0.02 % and 1 %. The sensor generates an analogue voltage that is dependent on the gas concentration. The response time is short, which makes it suitable for real-time measurements in safety or analysis applications. Features at a glance High sensitivity to alcohol gas Low sensitivity to petrol Stable performance and long service life Easy control through a simple driver circuit Wide detection range for alcohol gases ETA1036 step-up converter with up to 3W output power Efficiency of the voltage converter up to 96 % JST-PH 2.0 4-pin connector for secure and stable connections Compatibility Crowtail systems Arduino Raspberry Pi with corresponding interfaces Technical specifications Operating voltage: 3.3V - 5V Starting voltage of the ETA1036: 0.85V Maximum output power: 3W Efficiency of the ETA1036: up to 96% Dimensions: 40.0 mm x 20.0 mm x 21.5 mm JST-PH 2.0 4-pin connector Other data Part of the MQ sensor series for various gas detections Scope of delivery 1x crowtail gas sensor (MQ3) Links to Wiki page for the crowtail gas sensor (MQ3) MQ3 Datasheet

Elecrow Crowtail- Adjustable Infrared Sensor 3-50cm 2.0 This infrared sensor is part of the Crowtail series and enables the detection of objects in an adjustable range from 3 cm to 50 cm. The sensor is compact, easy to mount and suitable for various applications. It can be used in robotics, interactive media and industrial assembly processes. The sensor is connected to the base module via a crowtail port, ensuring easy integration. The sensor works by emitting an infrared signal that is reflected by objects and detected by a receiver. The detection threshold can be adjusted via a potentiometer, allowing the distance to be flexibly adapted. This enables versatile use in applications that require non-contact object detection. Thanks to the integrated JST-PH 2.0 4-pin connector, the sensor can be easily and securely connected to microcontrollers or other compatible systems. The JST connector ensures a stable connection and facilitates integration into existing crowtail or DIY projects. Features at a glance Infrared sensor with adjustable detection range Detection distance: 3 cm to 50 cm Compact design Easy to install and use Suitable for robotics and industrial applications Compatibility Compatible with Crowtail base module Technical specifications Operating voltage: 5V Current consumption: 100mA Detection range: 3 cm to 50 cm (adjustable) Cable length: 20 cm Connection: JST-PH 2.0 4-pin Other data Infrared sensor with reflective distance measurement Scope of delivery 1x Elecrow Crowtail- Adjustable Infrared Sensor 3-50cm 2.0 Links to Instructions and Wiki

Elecrow Crowtail Laserpointer 2.0, compatible with Crowtail base module, 5mW power, 650nm wavelength The Elecrow Crowtail Laserpointer 2.0 is a small, portable device that has been specially developed for use with the Crowtail base module. The compatibility simplifies the application and the laser pointer can be used in many different ways. It uses a laser diode that produces a narrow and coherent beam of light. Coherent means that the light waves run evenly and are aligned in one direction. With a power of 5mW and a wavelength of 650nm, a visible beam of light is generated. The laser pointer is particularly suitable for use in lectures, presentations, educational institutions and research. Due to its compact design and portability, it can be used flexibly. Features at a glance Compatible with Crowtail base module for ease of use Compact design, ideal for lectures and presentations Use in education, research and entertainment Important safety note: Do not point directly at eyes Compatibility Compatible with Crowtail base module Technical specifications Supply voltage: 5V Power: 5mW Wavelength: 650nm Dimensions (mm): 26.4(L) x 20.0(W) x 7.9(H) Other data Lightweight and portable Low power laser diode Scope of delivery 1x crowtail laser pointer 1x crowtail cable Links to Wiki Important note: Do not point this laser directly at the eyes, as this can lead to blindness, glare and afterimages.

Elecrow Crowtail Logic Block (OR) 2.0 The Elecrow Crowtail Logic Block (OR) 2.0 is a digital logic module for implementing logical OR operations. It is part of a modular system of logic blocks that can be used to visualise and combine basic logical operations. The module is designed in the form of an OR gate and has two inputs and one output. It emits an output signal of 1 if at least one of the inputs has the value 1. A yellow LED visually indicates the status of the output signal. The output signal can be forwarded to other modules via the output port. The JST-PH 2.0 4-pin connection enables a stable electrical connection and simple integration into logic circuits or experiments. The module is suitable for use in digital learning systems, digital logic training courses and for prototyping and DIY projects with microcontrollers. Thanks to the plug-and-play structure, several logic blocks can be connected directly to each other in order to simulate or test more complex logic sequences. In conjunction with other modules such as the AND or NOT block, a large number of logic combinations can be created. Digital logic is based on binary states. A state is represented by 1 or 0 (or TRUE/FALSE or HIGH/LOW). In the hardware, this typically corresponds to 0 volts for 0 and e.g. 3.3 or 5 volts for 1. The OR block uses the integrated LED to indicate when the output signal is active (1). This always happens when at least one input has the status 1. The Elecrow Crowtail Logic Block (OR) 2.0 is used to display logical OR links in digital circuits. This means that the module outputs an active signal if at least one of the two inputs is active. The visual indicator (LED) shows whether the result of the OR operation is true (1) or false (0). The design is suitable for simple combinations with other logic modules, which is particularly useful for training courses, experiments or in digital technology education. Typical applications include simple logic demonstrations, signal-linking controls and digital learning platforms. The module is compatible with microcontroller boards such as Arduino and can be easily integrated using the Crowtail standard. Features at a glance OR logic function (two inputs, one output) Part of a modular logic system Visual display of the output signal via yellow LED 2 inputs, 1 output port for forwarding the signal JST-PH 2.0 4-pin connection for stable connection Compatibility Crowtail modules and expansion boards Digital logic circuits Arduino and microcontroller projects Technical data Logic function: OR Two inputs, one output Output indication by yellow LED Output port JST-PH 2.0 4-pin connection Dimensions: 40.0 x 20.0 x 9.8 mm Operating voltage: 3.3 V to 5 V DC (depending on the system used) Other data Can be combined directly with other Crowtail logic modules (e.g. NOT, AND) Scope of delivery 1x Crowtail Logic Block (OR) 2.0 Links to User manual (Wiki link)

Crowtail - Logic Block (AND module, model: CRT01235B) The Crowtail - Logic Block with AND function is a modular logic module for visualising digital circuits. It represents the logical AND operation and enables interaction with other logic modules in the Crowtail series by means of simple plug-in connections. The block has two inputs and one output. An integrated blue LED indicates the current output status: If the LED lights up, a logic high (1) is present at the output; if it remains off, the output signal is low (0). The design is based on the familiar D symbol of an AND gate. The module has two outputs and supports both input expansions and signal splitting via separate splitter or input modules. The module represents a typical digital logic circuit as used in electronics. Digital logic works with binary values - either 1 (high) or 0 (low). In practice, these values correspond to defined voltages, usually 0V for low and 3V or 5V for high. This logic is visualised by the AND module: Only when both inputs are high does the output also become high - otherwise it remains low. The output of the module can be followed visually via the integrated LED indicator. The Crowtail AND module is designed for learning and development purposes and can be integrated into Arduino projects. It is suitable for experiments, training and DIY electronics applications in which basic digital logic is to be taught or tested. The modular design supports easy handling through direct connection without soldering. Two inputs and an LED-supported output make it easy to understand and test logic operations. The Crowtail AND module is a hardware component that makes logic decisions based on digital input signals. It belongs to the category of digital logic modules. The central function of this module is the realisation of an AND operation. This means that a high signal is only generated at the output if both input signals are set to high (logic 1). This function can be visualised via an integrated LED. The module enables the systematic expansion of logic circuits through plug connections with other components. Features at a glance Digital AND function with two inputs and one output Blue LED as output indicator (high=LED on, low=LED off) Modular plug-in system for combination with other logic blocks Mechanical shape based on the switching symbol of an AND gate Compatibility with Arduino Crowtail platform Microcontroller with digital inputs/outputs Technical data Logic type: AND (digital AND gate) Output display: Blue LED 2x input 1x output Dimensions: 40.0 mm (L) × 20.0 mm (W) × 9.8 mm (H) Other data Model number: CRT01235B Scope of delivery 1 × Crowtail - Logic Block (AND module) Links User manual (Wiki)

Elecrow Crowtail Logic Block (NOT) 2.0 The Elecrow Crowtail Logic Block (NOT) 2.0 is a digital logic module for visualising and implementing inverter circuits. It maps the logical NOT function, in which an input signal is inverted. This means that a logic "1" signal at the input is converted into a "0" signal at the output - and vice versa. The block has a single input socket (J1, labelled "A") and an output connection (J2, labelled "Y"). A red LED on the module indicates the status of the output signal: if the LED is lit, a logic state "1" is present at the output. The module has a trapezoidal design, which is modelled on the symbolic switching sign of an inverter. The JST-PH 2.0 4-pin connection ensures a stable power and signal connection within the crowtail system. As part of the modular crowtail logic system, the NOT block can be combined directly with other logic modules, including AND and OR blocks. The standardised plug-in system can be used to build, analyse and demonstrate logical sequences. The block is specially designed for learning and demonstration purposes and is suitable for projects with microcontrollers such as Arduino. Thanks to the visual feedback via the integrated LED, the behaviour of digital logic can be easily understood. Digital logic circuits operate with binary states: either 1 or 0. These states can also be interpreted as HIGH/LOW or TRUE/FALSE. At hardware level, they typically correspond to voltage levels such as 0 V for "0" and 3.3 V or 5 V for "1". The NOT block negates this state so that, for example, an input of 0 V (LOW) results in an output of 5 V (HIGH) - and vice versa. The LED visually indicates the current logical output state. The Elecrow Crowtail Logic Block (NOT) 2.0 is used to display logical inversions in digital circuits. It is designed to process a single input signal and invert it. This makes it particularly suitable for illustrating simple logic functions in training or basic technical courses. The integrated LED makes it easier to directly understand the current status of the output signal. The block can be integrated into more complex logic systems by combining it with other modules of the same system. Typical applications include digital learning systems, prototyping with microcontrollers, visual logic demonstrations and the simulation of simple digital controls. It can be used by simply plugging it in without any additional soldering work. Overview of features EMERGENCY logic function (one input, one output) Visual display of the output signal via red LED Modular plug-in system for connection to other logic blocks JST-PH 2.0 4-pin connection for stable connection Compact design for learning and experimentation purposes Compatibility Crowtail modules and expansion boards Digital logic circuits Arduino and microcontroller projects Technical data Logic function: NOT (inverter) 1 input (J1: A), 1 output (J2: Y) Output indication by red LED Dimensions: 40.0 x 20.0 x 9.8 mm JST-PH 2.0 4-pin connection Operating voltage: 3.3 V to 5 V DC (depending on the connected system) Other data Can be combined with other logic modules such as AND or OR within the crowtail system Scope of delivery 1x Crowtail Logic Block (NOT) 2.0 Links User Manual (Wiki-Link)

Elecrow Crowtail MOSFET 2.0The Crowtail MOSFET 2.0 module from Elecrow enables the switching of direct current applications with a load voltage of up to 50 V DC with a control logic of only 5 V. The centrepiece is the IRF9540N MOSFET, which acts as an electronic switch and is used in particular to control external DC consumers such as motors or fans. The circuit board measures 40 × 20 × 20 mm and has two screw terminals: one for the input voltage (5 V), the other for the consumer connection. Alternatively, the connected device can be supplied with power directly via the microcontroller, provided it is designed for this. The JST-PH 2.0 4-pin connection enables simple integration into existing crowtail systems and a connection to digital control ports. The operating voltage of the control logic is 5 V. The switchable load voltage is in the range of 5 to 50 V DC, while the alternative supply voltage can be between 5 and 15 V. Control typically takes place via a digital port of a base shield, for example on the D5 port of an Arduino or Crowduino board. PWM signals, for example using the analogueWrite() function, can be used to continuously control connected loads, including acceleration and deceleration effects. The most common areas of application include the control of DC motors, the operation of fans and general DIY control projects with higher operating voltages. Thanks to the well thought-out design with screw terminals and crowtail connection, the module can be used flexibly and is particularly suitable for projects where safe separation between logic and load voltage is required. An enclosed Arduino example code facilitates commissioning and demonstrates a practical application for motor control with variable speed. Features at a glance Switches voltages up to 50V DC with 5V control voltage Uses the MOSFET type IRF9540N Direct power supply via the microcontroller possible Screw terminals for easy wiring Suitable for operation with a mini fan Compatibility Microcontroller with crowtail interface via JST-PH 2.0 4-pin Arduino and Crowduino systems Mini fan Technical specifications Operating or control voltage: 5V Switching voltage: 5-50V DC Supply voltage: 5-15V MOSFET model: IRF9540N Charging voltage for mini fan: 5V DC / 0.13A Cable length of the mini fan: 10 cm Dimensions: 40 x 20 x 20 mm Other data Model number: CT0016MS Can be used for various control projects Sample code available for PWM motor control with Arduino Scope of delivery 1x Crowtail MOSFET module 1x Crowtail 4-pin cable Links Wiki link to the product IRF9540N data sheet Circuit diagram Programme data (Arduino)

Elecrow Crowtail NFC 2.0 module The Crowtail NFC 2.0 module from Elecrow is based on the highly integrated PN532 transceiver module and enables contactless communication at 13.56 MHz. It is able to read and write NFC tags or perform point-to-point data transfers between two NFC shields. The module supports the IIC communication protocol by default, but can also be switched to UART by customising the connections between the solder plates. The integrated PCB antenna ensures reliable signal transmission and a range of up to 28 mm, depending on the antenna size. The module is suitable for applications where contactless communication with NFC tags is required, such as in RFID readers, access control systems or in systems for wireless data transmission. Operation with ISO14443 Type A and Type B protocols enables the use of a wide range of compatible tags and cards. Typical use cases include IoT projects, RFID-based systems and wireless communication applications. Features at a glance Can be used as an RFID reader with Mifare tags and cards (13.56 MHz) Supports UART and IIC (standard) Integrated 13.56 MHz PCB antenna Maximum range for recognising NFC tags: 28 mm (depending on antenna size) Supports point-to-point communication Supports ISO14443 type A and type B protocols Compatibility Supports Mifare tags and cards (13.56 MHz) Compatible with NFC-enabled devices Supports IIC and UART interfaces Technical specifications Operating voltage: 3.3 V Antenna size: 18 x 28 x 0.8 mm, IPX port Antenna cable impedance: 50 Ohm Board dimensions: 20 mm x 40 mm Other data Uses the PN532 transceiver module for contactless communication Scope of delivery 1x crowtail NFC module 1x 4-pin crowtail cable

Elecrow Crowtail- Protoboard 2.0 This Crowtail module allows you to integrate your own circuits or components into Crowtail system prototypes. It provides access to all four lines of the Crowtail connection cable - S0, S1, VCC and GND. There is also a reserved area for a normally open push-button. The standard spacing of 2.54 mm facilitates the installation of DIP ICs and other components on the board. Thanks to the integrated JST-PH 2.0 4-pin connector, the sensor can be easily and securely connected to microcontrollers or other compatible systems. The JST connector ensures a stable connection and facilitates integration into existing crowtail or DIY projects. Features at a glance Standardised crowtail interface Hole grid board style Standardised spacing Screen-printed labels Reserved space for a normally open button Dimensions: 40.0 mm x 20.0 mm x 9.8 mm JST-PH 2.0 4-pin connector Compatibility Crowtail system Prototyping boards with 2.54 mm pitch Technical data Connection types: S0, S1, VCC, GND Dimensions: 40.0 mm (L) x 20.0 mm (W) x 9.8 mm (H) Connection: JST-PH 2.0 4-pin Other data Use in crowtail prototyping and circuit development Scope of delivery 1 x crowtail protoboard 2.0 1 x crowtail cable Links Wiki page

Elecrow Crowtail-Relay 2.0 The Elecrow Crowtail-Relay 2.0 is a switching module for controlling loads with high current consumption. It is a Single Pole Single Throw (SPST) relay that disconnects the output connections when not active and connects them when activated. The maximum switching capacity is 30A at 240VAC or 30A at 30VDC. The control voltage of the module is 5V, the nominal current consumption is 185mA. The crowtail 4-pin connection allows the module to be easily integrated into systems with 5V logic. The JST-PH 2.0 4-pin connection ensures a secure connection to microcontrollers or compatible controllers. The relay is suitable for control tasks where high loads need to be switched, such as in home automation or heating control. The digital control connection allows connection to microcontroller platforms such as Arduino or Crowduino. One application example shows the combination with a temperature sensor to control a fan. A threshold value is defined above which the relay is activated. The fan is switched on as soon as the temperature rises above the set value. A relay is an electronic switch that establishes or interrupts a load connection using a control current. In the case of this module, a 5V control voltage is used to trigger a switching operation that can switch high AC or DC voltages. The module is designed for a maximum current of 30A. The integrated JST-PH connection allows a standardised connection to crowtail-compatible systems, making it easier to integrate into existing projects. Features at a glance Single Pole Single Throw (SPST) relay Maximum switching capacity: 30A at 240VAC or 30A at 30VDC Control voltage: 5V Rated current consumption: 185mA Disconnects the outputs in idle state, connects them when activated Compact dimensions: 40.0mm x 20.0mm x 17.2mm Crowtail 4-pin connector for easy integration JST-PH 2.0 4-pin connector Compatibility Crowtail system Control systems with 5V logic Arduino boards Crowduino boards Technical data Control voltage: 5V Rated current consumption: 185mA Maximum switching capacity: 30A at 240VAC or 30A at 30VDC Dimensions: 40.0 mm (L) x 20.0 mm (W) x 17.2 mm (H) Connection: Crowtail 4-pin, JST-PH 2.0 4-pin Relay service life: 100,000 switching cycles Maximum switching voltage: 120VAC / 24VDC Maximum switching current: 3A (for alternative operating mode according to technical specification) Other data Use in home automation, heating control and high-performance control Sample code for temperature-controlled switching with Arduino available Scope of delivery 1 x Crowtail-Relay 2.0 1 x Crowtail 4-pin cable Links Wiki page Circuit diagram of the relay Relay programme

Elecrow Crowtail RGB LED 2.0 The Crowtail RGB LED 2.0 module contains four WS2812B LEDs, which can be addressed and cascaded via a serial interface. Each LED can be controlled individually, allowing different colours to be displayed simultaneously on different LEDs. The module requires only one microcontroller pin to control all LEDs and can be connected to other LED modules to create larger lighting installations. The module operates with an operating voltage of 5V and is also suitable for battery-powered applications due to its low energy consumption. It has a JST-PH 2.0 4-pin connector that enables a secure and stable connection with microcontrollers or other compatible devices. This connection facilitates integration into crowtail and DIY projects. The high data transfer rate enables fast and precise control of LED colours and effects. Features at a glance Four WS2812B RGB LEDs Addressable and cascadable LED control Only one microcontroller pin required for control Suitable for battery-powered applications High data transmission rate JST-PH 2.0 4-pin connector for secure and stable connections Compatibility Crowtail systems Arduino Raspberry Pi with digital control pins Technical specifications Connection mode: Digital High-speed serial interface Low power consumption Operating voltage: 5V Dimensions: 60.0 mm x 20.0 mm x 11.5 mm JST-PH 2.0 4-pin connector Other data Cascadable for larger light installations Scope of delivery 1x Crowtail RGB LED 2.0 1x Crowtail 4-pin cable Links RGB-LED circuit diagram RGB-LED programme files Wiki page for the Crowtail RGB LED module

Elecrow Crowtail-RTC module The Crowtail-RTC module is based on the DS1307 real-time clock chip and enables continuous time measurement with low power consumption. It communicates with microcontrollers via the I2C protocol and offers a calendar function for storing seconds, minutes, hours, days, months and years. The module automatically adjusts the end date to months with less than 31 days, including leap years. Thanks to its low power consumption, the module can be operated with a CR1220 battery for over a month. The JST-PH 2.0 4-pin connector ensures a stable connection and facilitates integration into crowtail or other I2C-based projects. The compact design is suitable for DIY clock projects or applications with real-time data acquisition. A real-time clock module like this one is used to store and read out an accurate time in microcontroller projects. Communication via I2C allows data to be exchanged between the microcontroller and the module via just two lines (SCL and SDA). The RTC function allows the current date and exact time to be called up at any time, even if the microcontroller has been disconnected from the power supply in the meantime. The automatic calendar correction for different month lengths and leap years reduces the programming effort. Features at a glance Real-time clock module with DS1307 chip I2C communication Storage of time and calendar information Automatic adjustment to months with less than 31 days Low power consumption Battery operation for more than one month with CR1220 JST-PH 2.0 4-pin connector for stable connection Compatibility with Crowtail systems Arduino Other microcontrollers with I2C interface Technical Data Communication interface: I2C Power supply: VCC 5V IO structure: SCL, SDA, VCC, GND Battery voltage: 2.0 to 3.5V Dimensions: 20.0 mm x 20.0 mm x 10.0 mm JST-PH 2.0 4-pin connection Other data Suitable for DIY clock projects or real-time data acquisition Scope of delivery 1x Crowtail RTC module 1x Crowtail 4-pin cable Links Wiki page for the Crowtail RTC module Circuit diagram of the RTC module Programme data for the RTC module