Sensitive microphone detects any sounds around. Sound level
threshold is set by the on board sensitivity variable resistor. When
sound level is exceeded, it will flash an on board Led as well as
providing a low output to activate any external circuit.
Operating Voltage: 5V
Digital Output: High (normally at high, when set sound level is
exceeded output goes low)
Analog output: Changes with sound level
Board size: 32 x 17mm
Connections:
Vcc = 5V battery positive terminal
GND = Connect to battery negative terminal
Do = Digitl output
Ao = Analog output
Price; $1.80