Sound/Ultrasonic
Sound Sensors
Perfect for use with your 3.3V system like NodeMCU, Wemos, Raspberry pi and micro:bit
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on.
3V-5.5V HC-SR04P Ultrasonic Ranging Module (sensor ultrasonic 3V)
Perfect for use with your 3.3V system like NodeMCU, Wemos, Raspberry pi and micro:bit
GY-MAX4466 Electret Microphone Amplifier Module Adjustable Gain OUT Amplifier Board 2.4-5V DC (GY-MAX4466 amplifier)
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on.
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