38 lines
874 B
C++
38 lines
874 B
C++
/*
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RGB Dimmer
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Alternates R, G and B LED on for one second, then off for one second, repeatedly.
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The brightness depends on the position of the attached potentiometer
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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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int delay_ms = 1000; // How long to keep LEDs on and off in milliseconds (sec/1000)
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int brightness = 0;
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// the setup function runs once when you press reset or power the board
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void setup() {
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// initialize digital pin 13 as an output.
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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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brightness = analogRead(A0) >> 2;
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analogWrite(RED, brightness);
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delay(delay_ms);
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digitalWrite(RED, LOW);
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delay(delay_ms);
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analogWrite(GREEN, brightness);
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delay(delay_ms);
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digitalWrite(BLUE, LOW);
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delay(delay_ms);
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}
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