#define pinPIR 2
#define pinRelay 3


void setup() {
  // put your setup code here, to run once:
pinMode(pinPIR, INPUT);
pinMode(pinRelay, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int nilaiPIR = digitalRead(pinPIR);
if(nilaiPIR == 1){
  digitalWrite(pinRelay, HIGH);
  }
  else{
    digitalWrite(pinRelay, LOW);
  }
}