const int pinoLed = 13;
const int pinoPIR = 3;
const int pinoChave = 4;
void setup() {
pinMode(pinoLed, OUTPUT);
pinMode(pinoPIR, INPUT);
pinMode(pinoChave, INPUT);
}
void loop() {
// Entrada
int sinalPIR = digitalRead(pinoPIR);
int sinalChave = digitalRead(pinoChave);
// Processamento
int sinalLed = sinalPIR and sinalChave;
// Saída
digitalWrite(pinoLed, sinalLed);
}