48 lines
1003 B
Arduino
48 lines
1003 B
Arduino
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/*
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RGB Fade-in, Fade-out
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Alternates R, G and B LED on for one second, then off for one second, repeatedly.
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Fading in and out
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This example code is in the public domain.
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modified 20 May 2016
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by Shawn Nock
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*/
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#define RED 6
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#define GREEN 5
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#define BLUE 3
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#define STEPS 8
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#define MAX_BRIGHTNESS 255
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#define BRIGHTNESS_INCREMENT (MAX_BRIGHTNESS / STEPS)
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#define DELAY 1000
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#define DELAY_INCREMENT (DELAY / STEPS)
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int leds[3] = {RED, GREEN, BLUE};
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void setup() {
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pinMode(RED, OUTPUT);
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pinMode(GREEN, OUTPUT);
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pinMode(BLUE, OUTPUT);
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}
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void loop() {
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for (int i = 0; i < 3; i++) {
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int cur_led = leds[i];
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for (int x = 1; x <= STEPS; x++) {
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int cur_brightness = BRIGHTNESS_INCREMENT * x;
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analogWrite(cur_led, cur_brightness);
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delay(DELAY_INCREMENT * x);
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}
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for (int x = STEPS; x < 0; x--) {
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int cur_brightness = BRIGHTNESS_INCREMENT * x;
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analogWrite(cur_led, cur_brightness);
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delay(DELAY_INCREMENT * x);
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}
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}
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delay(DELAY);
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}
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