- Questions & Answers
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled board comes with a electret microphone soldered on and an amplifier that amplifies sound really good.
- AO, analog output, real-time output voltage signal of the microphone
- DO, when the sound intensity reaches a certain threshold, the output high and low signal
- Operating voltage: 5V
- Power indicator light
Questions & Answers