int pin[] = {2,3,4,5};
int triggerType = HIGH;
int rON, rOFF;

int UDP = A0; int LRP = A1;
int x,y;
int i,j;
void setup() {
  // put your setup code here, to run once:
  
  Serial.begin(9600); 
  
  if(triggerType){
    rON = HIGH; rOFF = LOW;
  }
  else{
    rON = LOW; rOFF = HIGH;
  }

  for(int i = 0; i < 4; i++){
    pinMode(pin[i], OUTPUT);
    digitalWrite(pin[i], rOFF);
  }
  pinMode(UDP, INPUT);
  pinMode(LRP, INPUT);

  Serial.println("setup done!!");

}

void loop() {
  // put your main code here, to run repeatedly:




  for(int i = 0;i<4;i++){
    controlSSR(pin[i], rON, 0);
  }
  delay(5000);
  for(int i = 0;i<4;i++){
    controlSSR(pin[i], rOFF, 0);
  }
  delay(2000);

  for(int i=0;i<4;i++){
    controlSSR(pin[i], rON , 0);
    delay(5000);
    controlSSR(pin[i], rOFF, 0);
    delay(2000);
  }
  //exit(0);
}

void controlSSR(int i, int control, int wait){
  if(control == HIGH){
    Serial.print("SSR");Serial.print(i-1);Serial.println(" ON");
    digitalWrite(i, rON);
    delay(wait);
  }
  else{
    Serial.print("SSR");Serial.print(i-1);Serial.println(" OFF");
    digitalWrite(i, rOFF);
    delay(wait);
  }
}