const int relay1Pin = 12;
#define switch_1 7 
void setup() {
  // put your setup code here, to run once:
  pinMode(relay1Pin, OUTPUT);
pinMode(switch_1, INPUT_PULLUP);
}

void loop() {
    digitalWrite(12, digitalRead((7)));
  // put your main code here, to run repeatedly:
  digitalWrite(relay1Pin, HIGH);
  delay(1000);
  digitalWrite(relay1Pin, LOW);
  delay(1000);

}