This outstanding small board couples a small electret microphone with a 100x opamp to amplify the sounds of voice, door knocks, etc to make them loud enough to be received by a microcontrollers Analog to Digital converter. It's a fully assembled unit.
Specification
- Interface Type: Analog
- Detects the sound intensity
- Power supply: 5V DC
Shipping List
- Sensor (1 unit)
- Analog Sensor Cable (1 unit)