#define PIN_TRIG A3
#define PIN_ECHO A2
void setup() {
  // put your setup code here, to run once:
pinMode(A1, INPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}

void loop() {
  // Start a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  // Read the result:
  int duration = pulseIn(PIN_ECHO, HIGH);
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);
  // put your main code here, to run repeatedly:
int val = duration; //on lit la valeur du potard

val=map(val, 0, 23200, 100, 1000); //on transcrit la valeur du potard à celle du delay

digitalWrite(2, HIGH);
digitalWrite(3, LOW);
delay(val); // circuit 1 ON, circuit 2 OFF, delay = valeur du potard via la map

digitalWrite(2, LOW);
digitalWrite(3, HIGH);
delay(val); // circuit 1 OFF, circuit 2 ON, delay = valeur du potard via la map

}