SwitchInputs.ino

/*

 SwitchInputs

 For info and circuit diagrams see https://github.com/tardate/LittleArduinoProjects/tree/master/playground/SwitchInputs

*/

constint pinA = 2;
constint pinA_led = 3;
constint pinB = 4;
constint pinB_led = 5;
constint pinC = 6;
constint pinC_led = 7;


/*
 * Command: one-time setup
*/
voidsetup() {
pinMode(pinA, INPUT);
pinMode(pinA_led, OUTPUT);
pinMode(pinB, INPUT);
pinMode(pinB_led, OUTPUT);
pinMode(pinC, INPUT_PULLUP);
pinMode(pinC_led, OUTPUT);
}


/*
 * Command: main loop
*/
voidloop() {
static boolean pinA_state;
static boolean pinB_state;
static boolean pinC_state;

 pinA_state = digitalRead(pinA);
digitalWrite(pinA_led, pinA_state);

 pinB_state = digitalRead(pinB);
digitalWrite(pinB_led, pinB_state);

 pinC_state = digitalRead(pinC);
digitalWrite(pinC_led, pinC_state);
}