void setup() {
  // put your setup code here, to run once:
 pinMode(13,OUTPUT);
 pinMode(12, OUTPUT);
 pinMode(12,HIGH);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(13, HIGH);
delay(1500);
digitalWrite(13, LOW);
delay(1500);
if(digitalRead(13)==HIGH)
{digitalWrite(12,LOW);}}

/*if((freezer<-10 && freezer<0) && digitalRead(defrostRelay) == LOW )

    {digitalWrite( compressorRelay
  , HIGH);}*/
NOCOMNCVCCGNDINLED1PWRRelay Module
Missing chipchip-bc547npn