鉅發企業 ( 香港 ) 有限公司

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