From c0e6db4dab5134ea0f3d6fe96c13baaab0b239ac Mon Sep 17 00:00:00 2001 From: Martin Oldfield Date: Tue, 28 Feb 2012 09:06:56 +0000 Subject: Initial NWO check in --- examples/Fade/Fade.ino | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 examples/Fade/Fade.ino (limited to 'examples/Fade/Fade.ino') diff --git a/examples/Fade/Fade.ino b/examples/Fade/Fade.ino new file mode 100644 index 0000000..b47bf43 --- /dev/null +++ b/examples/Fade/Fade.ino @@ -0,0 +1,31 @@ +/* + Fade + + This example shows how to fade an LED on pin 9 + using the analogWrite() function. + + This example code is in the public domain. + + */ +int brightness = 0; // how bright the LED is +int fadeAmount = 5; // how many points to fade the LED by + +void setup() { + // declare pin 9 to be an output: + pinMode(9, OUTPUT); +} + +void loop() { + // set the brightness of pin 9: + analogWrite(9, 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 30 milliseconds to see the dimming effect + delay(30); +} -- cgit v1.2.3