5pcs KY-037 4pin Voice Sound Detection Sensor Module Microphone Transmitter Smart Robot Car Geekcreit for Arduino - prod

Features For sound detection module has two outputs There is a mounting screw hole 3mm The use 5v DC power supply With analog output High sensitive microphone and high sensitivity A power indicator light The comparator output is light Specifications int Led 13 define LED interfaceint buttonpin 3 Define D0 Sensor Interfaceint val define numeric variables val void setup pinMode Led OUTPUT Define LED as output interface pinMode buttonpin INPUT Define D0 Sensor as output Interface void loop val digitalRead buttonpin digital interface will be assigned a value of 3 to read valif val HIGH When the light sensor detects a signal is interrupted LED flashes digitalWrite Led HIGH else digital Write Led LOW int sensorPin A5 select the input pin for the potentiometerint ledPin 13 select the pin for the LEDint sensorValue 0 variable to store the value coming from the sensor void setup pinMode ledPin OUTPUT Serial begin 9600 void loop sensorValue analogRead sensorPin digitalWrite ledPin HIGH delay sensorValue digitalWrite ledPin LOW delay sensorValue Serial println sensorValue DEC Package Included 5 x KY 037Voice Sound Detection Sensor Module