PAM8403 Class D mini amplifier module 2x 3W with volume control
Available · 11 piece · 1-3 days
Elecrow Crowtail sound sensor 2.0, analogue microphone module, LMV358 amplifier, potentiometer, 5V
Available · 5 piece · 1-3 days
DFRobot Gravity TTS module, text to speech output, I2C/UART, integrated loudspeaker, 3.3-5V
Available · 10 piece · 1-3 days
DFRobot 386AMP audio amplifier module, 20x amplification, 325mW output power, LM386 chip, 4-12V
Available · 4 piece · 1-3 days
Makeblock mBuild sound sensor, noise detection, 40mA , microphone -45 to 39 dB, 2.2 KΩ
Available · 16 piece · 1-3 days
DFRobot Sound Sensor for Arduino/Raspberry Pi, analogue, sound detection, gravity, Plug&Play, 3.3-5V
Available · 4 piece · 1-3 days
Adafruit I2S Amplifier BFF for QT Py and Xiao, MAX98357 3-watt amplifier, GPIO, stereo
Available · 5 piece · 1-3 days
TPA3116D2 Class D amplifier module 2x 50W with volume control
Available · 74 piece · 1-3 days
Elecrow Crowtail Buzzer 2.0, akustisches Signalausgabemodul, digital steuerbar, PWM
Available · 2 piece · 1-3 days
Elecrow VS1053 MP3 Shield, audio decoder, SPI, SD card, microphone, line-in, headphones 30 Ohm, 5V
Available · 15 piece · 1-3 days
DFRobot Gravity offline voice recognition sensor, I2C, UART, 121 commands, 370mA, 3-5V
Available · 84 piece · 1-3 days
YDA138-E Class D amplifier module 2x 12W with jack input
Available · 25 piece · 1-3 days
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger, 2MB Flash
Available · 1 piece · 1-3 days
VS1053 Codec + MicroSD Breakout - MP3/WAV/MIDI/OGG, Play+Record
Available · 2 piece · 1-3 days
Seeed ReSpeaker Lite Sprachassistenten-Kit, 2-Mikrofon-Array, ESP32-S3, ESPHome / Home Assistant, 5V
Available · 3 piece · 1-3 days
What are audio and sound sensors?
Audio and sound sensors are devices that can detect sound waves and make them visible. Sound sensors allow not only the pure sound to be detected, but also the strength of the sound. This information is used to determine different volume levels and to record sounds, music and tones.
What can audio and sound sensors do?
The way sound sensors work is simple. The outgoing sound waves hit a membrane in the sensor, which then begins to vibrate. Subsequently, these vibrations are converted into an electrical signal and transmitted to an external system. An example of a sound sensor is a microphone that picks up sound waves and converts them into an electrical signal. Sound sensors are often used in audio technology and communication technology. Audio sensors convert an electrical signal into sound waves and thus have a reversed mode of operation compared to sound sensors. Therefore, audio sensors are also called actuators because they can convert electrical signals into motion and have an acoustic effect. An example of an audio sensor is a loudspeaker that uses electrical signals to trigger a vibration in the installed membrane, which in turn results in an acoustic signal.
What is the advantage?
If you are looking for a suitable amplifier or a sound sensor, then the Raspberry Pi or Arduino sound and audio sensors are just what you need. Audio and sound sensors have the advantage that they detect sound waves and make them measurable by converting them into electrical signals. In the course of this, sound waves can be recorded, analyzed and evaluated. For example, you can easily determine the volume and quality of music. In addition to the detection and playback of sounds and music, there are also sound modules with motion detectors that react to movements and can then record or play sounds. This technology is mainly used in security technology.
What should be considered when buying?
When buying audio and sound sensors, there are some important factors to consider in order to find the best sensor for the intended application. These include the sensitivity of the sensor, its accuracy, and its compatibility with existing systems and devices. Examples include sensors from Seeed Music, Rasperry Pi or Arduino, which are just right for your project.