Skip to content

Instantly share code, notes, and snippets.

@buildcircuit
Created July 2, 2020 10:10
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save buildcircuit/70aafb0119ff487789de443000147bd1 to your computer and use it in GitHub Desktop.
Save buildcircuit/70aafb0119ff487789de443000147bd1 to your computer and use it in GitHub Desktop.
// include the library code:
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(13, 12, 10, 9, 8, 7);
int led = 11; // the PWM pin the LED is attached to
int brightness = 0; // how bright the LED is
int fadeAmount = 5; // how many points to fade the LED by
// the setup routine runs once when you press reset:
void setup() {
// declare pin 9 to be an output:
pinMode(led, OUTPUT);
lcd.begin(16, 2);
// initialize the serial communications:
Serial.begin(9600);
lcd.write("WHITE LED Fading !");
}
// the loop routine runs over and over again forever:
void loop() {
// set the brightness of pin 11:
analogWrite(led, brightness);
// change the brightness for next time through the loop:
brightness = brightness + fadeAmount;
// reverse the direction of the fading at the ends of the fade:
if (brightness <= 0 || brightness >= 255) {
fadeAmount = -fadeAmount;
}
// wait for 30 milliseconds to see the dimming effect
delay(30);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment