| // Runs once when the Arduino starts
|
| void setup() {
|
| // Configure LED pins as outputs
|
| pinMode(5, OUTPUT); // Green LED
|
| pinMode(6, OUTPUT); // Blue LED
|
| pinMode(7, OUTPUT); // Red LED
|
| }
|
|
|
| // Runs repeatedly after setup()
|
| void loop() {
|
|
|
| // Turn ON Green LED, turn OFF others
|
| digitalWrite(5, HIGH); // Green ON
|
| digitalWrite(6, LOW); // Blue OFF
|
| digitalWrite(7, LOW); // Red OFF
|
| delay(1000); // wait 1 second
|
|
|
| // Turn ON Blue LED, turn OFF others
|
| digitalWrite(6, HIGH); // Blue ON
|
| digitalWrite(5, LOW); // Green OFF
|
| digitalWrite(7, LOW); // Red OFF
|
| delay(1000); // wait 1 second
|
|
|
| // Turn ON Red LED, turn OFF others
|
| digitalWrite(7, HIGH); // Red ON
|
| digitalWrite(5, LOW); // Green OFF
|
| digitalWrite(6, LOW); // Blue OFF
|
| delay(1000); // wait 1 second
|
| }
|