Created
July 23, 2018 10:15
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int led = 9; // the PWM pin the LED is attached to | |
int brightness = 0; // how bright the LED is | |
int fadeAmount = 10; // how many points to fade the LED by | |
void setup() { | |
// declare pin 9 to be an output: | |
pinMode(led, OUTPUT); | |
} | |
void loop() { | |
// set the brightness of pin 9: | |
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 50 milliseconds to see the dimming effect | |
delay(50); | |
} |
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