43 lines
1.1 KiB
Text
43 lines
1.1 KiB
Text
/*
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Fade
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This example shows how to fade an LED on pin 9
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using the analogWrite() function.
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This example code is in the public domain.
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*/
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int brightness1 = 0; // how bright the LED is
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int brightness2 = 85; // how bright the LED is
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int brightness3 = 170; // how bright the LED is
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int fadeAmount1 = 5; // how many points to fade the LED by
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int fadeAmount2 = 5; // how many points to fade the LED by
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int fadeAmount3 = 5; // how many points to fade the LED by
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void setup() {
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pinMode(9, OUTPUT);
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pinMode(10, OUTPUT);
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pinMode(11, OUTPUT);
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}
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void loop() {
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analogWrite(9, brightness1);
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analogWrite(10, brightness2);
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analogWrite(11, brightness3);
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brightness1 = brightness1 + fadeAmount1;
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brightness2 = brightness2 + fadeAmount2;
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brightness3 = brightness3 + fadeAmount3;
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if (brightness1 == 0 || brightness1 == 255) {
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fadeAmount1 = -fadeAmount1 ;
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}
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if (brightness2 == 0 || brightness2 == 255) {
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fadeAmount2 = -fadeAmount2 ;
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}
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if (brightness3 == 0 || brightness3 == 255) {
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fadeAmount3 = -fadeAmount3 ;
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}
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delay(250);
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}
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