Capteur de son

#include "arduino_secrets.h"
#include <Arduino.h>

int AnalogPin = A3;
int ReadValue = 0;
int motorPin                = 3;   //Motor drive pin D3
bool StateServo = false;

void setup()
{
  Serial.begin(9600);
  pinMode(motorPin, OUTPUT);
  pinMode(AnalogPin, INPUT);
}

void loop()
{
  ReadValue = analogRead(AnalogPin); // connect mic sensor to Analog 0
  Serial.println(ReadValue, DEC);  // print the sound value to serial
  delay(100);
  if (ReadValue > 120)
    StateServo = !StateServo;
  digitalWrite(motorPin, StateServo);   //PWM speed control
}