void setup() {
int pinR=4;
int pinG=5;
int pinB=6;

pinMode(pinR, OUTPUT);
pinMode(pinG, OUTPUT);
pinMode(pinB, OUTPUT); 
}

void loop() {
  int value=analogRead(A0);

int pinR=4;
int pinG=5;
int pinB=6;

digitalWrite(pinR, HIGH);
delay(value);
digitalWrite(pinR, LOW); 
  
digitalWrite(pinG, HIGH);
delay(value);
digitalWrite(pinG, LOW); 

digitalWrite(pinB, HIGH);
delay(value);
digitalWrite(pinB, LOW);
}