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Code snippet to test Arduino Nano led using breath effect.
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| /* | |
| Android Breath v0.2 | |
| Simulates led breathing found on Android devices. | |
| Tested with Arduino Nano ATmega328. | |
| Cesar Schneider <cesschneider@gmail.com> | |
| https://gist.github.com/cesschneider/7689698 | |
| */ | |
| // Pin 13 has an LED connected on most Arduino boards. | |
| // give it a name: | |
| int led = 13; | |
| // the setup routine runs once when you press reset: | |
| void setup() { | |
| pinMode(led, OUTPUT); | |
| } | |
| int i; | |
| int on; | |
| int off; | |
| int pulses; | |
| int cycles = 5; | |
| void loop() { | |
| pulses = 8; | |
| for (on = 1; on <= cycles; on++) { | |
| for (i = 0; i < pulses; i++) { | |
| digitalWrite(led, HIGH); | |
| delay(on); | |
| digitalWrite(led, LOW); | |
| delay(cycles - on); | |
| } | |
| // on off pu cy | |
| // (1 + 4) * 8 * 5 = 200ms | |
| } | |
| pulses = 8; | |
| for (off = cycles; off > 1; off--) { | |
| for (i = 0; i < pulses; i++) { | |
| digitalWrite(led, HIGH); | |
| delay(off); | |
| digitalWrite(led, LOW); | |
| delay(cycles - off); | |
| } | |
| // on off pu cy | |
| // (5 + 1) * 8 * 5 = 200ms | |
| } | |
| digitalWrite(led, LOW); | |
| delay(2000); | |
| } |
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