KY-037 4pin Voice Sound Detection Sensor Module Microphone Transmitter Smart Robot Car

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 interface int buttonpin=3 //Define D0 Sensor Interface int 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 val if(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 potentiometer int ledPin = 13; // select the pin for the LED int 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: ? 1 x KY-037? Voice Sound Detection Sensor Module ? ? ?