//By D.Weerasinghe COTM
// Circuit n the top left: observe the response of Green and Red LEDs for 4 configurations of two slide switches
// 1. LL, 2. LR, 3. RL, 4. RR  
// Circuit in the top right: observe the response of Green and Red LEDs for the two positions of slider switch
// Arduino Nano board : Howto make two blue leds to blink interchangebly using pin2 without changing the codes

void setup() {
  // put your setup code here, to run once:
 pinMode(2, OUTPUT);
 pinMode(11, OUTPUT);
 pinMode(12, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(2, LOW);
digitalWrite(11, LOW);
digitalWrite(12, HIGH);
delay(700);

digitalWrite(2, HIGH);
digitalWrite(11, HIGH);
digitalWrite(12, LOW);
delay(700);



}