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arduino-0018-windows

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orange 2010-03-30 21:53:44 +02:00
parent 157fd6f1a1
commit f39fc49523
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/*
Mega analogWrite() test
This sketch fades LEDs up and down one at a time on digital pins 2 through 13.
This sketch was written for the Arduino Mega, and will not work on previous boards.
The circuit:
* LEDs attached from pins 2 through 13 to ground.
created 8 Feb 2009
by Tom Igoe
*/
// These constants won't change. They're used to give names
// to the pins used:
const int lowestPin = 2;
const int highestPin = 13;
void setup() {
// set pins 2 through 13 as outputs:
for (int thisPin =lowestPin; thisPin <= highestPin; thisPin++) {
pinMode(thisPin, OUTPUT);
}
}
void loop() {
// iterate over the pins:
for (int thisPin =lowestPin; thisPin <= highestPin; thisPin++) {
// fade the LED on thisPin from off to brightest:
for (int brightness = 0; brightness < 255; brightness++) {
analogWrite(thisPin, brightness);
delay(2);
}
// fade the LED on thisPin from brithstest to off:
for (int brightness = 255; brightness >= 0; brightness--) {
analogWrite(thisPin, brightness);
delay(2);
}
// pause between LEDs:
delay(100);
}
}