int saida= A0;
 int Led1= 10;
 int brilho;
 int valor;
void setup() {
  // put your setup code here, to run once:
  pinMode(Led1,OUTPUT);}
 

void loop() {
  // put your main code here, to run repeatedly:
 valor = analogRead (saida);
 brilho = map(valor, 0, 1023, 0, 255);
 analogWrite(Led1, brilho);
}