int sensor = 0; 
int valor = 0; 
void setup(){
 pinMode(10, OUTPUT);
 pinMode(6, OUTPUT);
 Serial.begin(9600);
}
void loop(){
 int valor = analogRead(sensor);
 Serial.println(valor);
 if (valor > 500) {
 digitalWrite(10,HIGH);
 digitalWrite(6,HIGH);
 } else {
 digitalWrite(10,LOW);
 digitalWrite(6,LOW);
 }
 delay(500);
}