Overview
Code
int bluePin = 16; // unreverse
int redPin = 2; //reverse
int greenPin = 0; //revers
int wait = 500;
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(bluePin, OUTPUT);
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
digitalWrite(bluePin, HIGH); // turn the LED on (HIGH is the voltage level)
delay(wait); // wait for a second
digitalWrite(bluePin, LOW); // turn the LED off by making the voltage LOW
digitalWrite(redPin, LOW); // turn the LED on (HIGH is the voltage level)
delay(wait); // wait for a second
digitalWrite(redPin, HIGH); // turn the LED off by making the voltage LOW
digitalWrite(greenPin, LOW); // turn the LED on (HIGH is the voltage level)
delay(wait); // wait for a second
digitalWrite(greenPin, HIGH); // turn the LED off by making the voltage LOW
}