#define relay1a   3
#define relay1b   2
#define  button   4
#define SIG_R_1   5
#define SIG_G_1   6
#define SIG_R_2   7
#define SIG_G_2   8
#define SIG_MG_1  9
#define SIG_MY_1 10

int buttonState;
int lastButtonState = LOW;
int flag = 0;

unsigned long lastDebounceTime = 0;  //last time the pin was toggled, used to keep track of time
unsigned long debounceDelay    = 100; //the debounce time which user sets prior to run

void setup() {
Serial.begin(9600);
pinMode(relay1a,  OUTPUT);
pinMode(relay1b,  OUTPUT);
pinMode(SIG_R_1,  OUTPUT);
pinMode(SIG_G_1,  OUTPUT);
pinMode(SIG_R_2,  OUTPUT);
pinMode(SIG_G_2,  OUTPUT);
pinMode(SIG_MG_1, OUTPUT);
pinMode(SIG_MY_1, OUTPUT);
pinMode(button,    INPUT);

// SET RELAYS

digitalWrite(relay1a,   LOW);
digitalWrite(relay1b,  HIGH);
digitalWrite(SIG_R_1,   LOW); 
digitalWrite(SIG_G_1,  HIGH); 
digitalWrite(SIG_R_2,  HIGH); 
digitalWrite(SIG_G_2,   LOW);
digitalWrite(SIG_MG_1, HIGH);
digitalWrite(SIG_MY_1,  LOW);
delay(500);
digitalWrite(relay1a,  HIGH);
digitalWrite(relay1b,   LOW);
digitalWrite(SIG_R_1,  HIGH);
digitalWrite(SIG_G_1,   LOW); 
digitalWrite(SIG_R_2,   LOW); 
digitalWrite(SIG_G_2,  HIGH); 
digitalWrite(SIG_MG_1,  LOW);
digitalWrite(SIG_MY_1, HIGH);
delay(500);
digitalWrite(relay1a,   LOW);
digitalWrite(relay1b,  HIGH);
digitalWrite(SIG_R_1,   LOW); 
digitalWrite(SIG_G_1,  HIGH); 
digitalWrite(SIG_R_2,  HIGH); 
digitalWrite(SIG_G_2,   LOW);
digitalWrite(SIG_MG_1, HIGH);
digitalWrite(SIG_MY_1,  LOW); 
delay(500);
digitalWrite(relay1a,  HIGH);
digitalWrite(relay1b,   LOW);
digitalWrite(SIG_R_1,  HIGH);
digitalWrite(SIG_G_1,   LOW); 
digitalWrite(SIG_R_2,   LOW); 
digitalWrite(SIG_G_2,  HIGH); 
digitalWrite(SIG_MG_1,  LOW);
digitalWrite(SIG_MY_1, HIGH);
delay(500);
digitalWrite(relay1a,  HIGH);
digitalWrite(relay1b,  HIGH);
digitalWrite(SIG_R_1,   LOW); // RED MAIN OFF
digitalWrite(SIG_G_1,  HIGH); // GREEN MAIN ON
digitalWrite(SIG_R_2,  HIGH); // RED SIDING ON
digitalWrite(SIG_G_2,   LOW); // GREEN SIDING OFF
digitalWrite(SIG_MG_1, HIGH); // GREEN MAIN ON
digitalWrite(SIG_MY_1,  LOW); // YELLOW MAIN OFF
} // END SETUP

void loop() {
int reading = digitalRead(button);

if (reading != lastButtonState)  {
lastDebounceTime = millis();
}

if ((millis()-lastDebounceTime) > debounceDelay) {
if (reading != buttonState) {
buttonState = reading;
if (buttonState == HIGH) {
if (flag == 0) {
digitalWrite(SIG_R_1,  HIGH); 
digitalWrite(SIG_G_1,   LOW); 
digitalWrite(SIG_R_2,   LOW); 
digitalWrite(SIG_G_2,  HIGH);
digitalWrite(SIG_MG_1,  LOW);
digitalWrite(SIG_MY_1, HIGH);
digitalWrite(relay1a, LOW); // ON
delay(50);
digitalWrite(relay1a, HIGH); // OFF
flag = 1;
Serial.println("BONE\r");
//ledState = !ledState;
} // IF FLAG 0
else if (flag == 1){
digitalWrite(SIG_R_1,   LOW); 
digitalWrite(SIG_G_1,  HIGH); 
digitalWrite(SIG_R_2,  HIGH); 
digitalWrite(SIG_G_2,   LOW); 
digitalWrite(SIG_MG_1, HIGH);
digitalWrite(SIG_MY_1,  LOW);
digitalWrite(relay1b, LOW); // ON
delay(50);
digitalWrite(relay1b, HIGH); // OFF
flag = 0;
Serial.println("BTWO");
} // IF FLAG TWO
} // IF BUTTON STATE
} // IF READING
} // IF MILLIS
lastButtonState = reading;

// TEST SERIAL

if(Serial.available() > 0) { 
int in      = Serial.read(); // PERL TEST
switch(in) {

case '1':
digitalWrite(SIG_R_1,  HIGH); 
digitalWrite(SIG_G_1,   LOW); 
digitalWrite(SIG_R_2,   LOW); 
digitalWrite(SIG_G_2,  HIGH);
digitalWrite(SIG_MG_1,  LOW);
digitalWrite(SIG_MY_1, HIGH);
digitalWrite(relay1a, LOW); // ON
delay(50);
digitalWrite(relay1a, HIGH); // OFF
break;

case '2':
digitalWrite(SIG_R_1,   LOW); 
digitalWrite(SIG_G_1,  HIGH); 
digitalWrite(SIG_R_2,  HIGH); 
digitalWrite(SIG_G_2,   LOW); 
digitalWrite(SIG_MG_1, HIGH);
digitalWrite(SIG_MY_1,  LOW);
digitalWrite(relay1b, LOW); // ON
delay(50);
digitalWrite(relay1b, HIGH); // OFF
break;
} // END SWITCH 
} // END SERIAL
// END TEST SERIAL

} // END LOOP