Sound sensor / ääni-ilmaisin LM393 -piirillä, analoginen ja digitaalinen lähtö. Komparaattorin herkkyydensäätö trimmerillä.
Technical data
- Size: 32mm * 17mm * 8mm (length * width * height)
- Main circuit: LM393, electret condenser microphone
- Operating voltage: DC 4-6V
- Analog output
- TTL digital output
- Precise sensitivity adjustment
AO: analog output sensor
GND: ground
VCC: Power supply input range: 3V-24V.
DO: Digital Output (comparator output)
Two red LED indication: POWER and SENSOR.
POWER: Power LED is off when no Vcc.
SENSOR: When the microphone senses sound reaches a certain value, this LED light.
