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| 1 | +/** |
| 2 | + * @file blinking-led.ino |
| 3 | + * |
| 4 | + * This is free and unencumbered software released into the public domain. |
| 5 | + * Anyone is free to copy, modify, publish, use, compile, sell, or |
| 6 | + * distribute this software, either in source code form or as a compiled |
| 7 | + * binary, for any purpose, commercial or non-commercial, and by any |
| 8 | + * means. |
| 9 | + * |
| 10 | + * In jurisdictions that recognize copyright laws, the author or authors |
| 11 | + * of this software dedicate any and all copyright interest in the |
| 12 | + * software to the public domain. We make this dedication for the benefit |
| 13 | + * of the public at large and to the detriment of our heirs and |
| 14 | + * successors. We intend this dedication to be an overt act of |
| 15 | + * relinquishment in perpetuity of all present and future rights to this |
| 16 | + * software under copyright law. |
| 17 | + * |
| 18 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 21 | + * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 22 | + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 23 | + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 24 | + * OTHER DEALINGS IN THE SOFTWARE. |
| 25 | + * |
| 26 | + * For more information, please refer to <http://unlicense.org/> |
| 27 | + */ |
| 28 | + |
| 29 | +/* |
| 30 | + * The pin # of the LED we are going to use. |
| 31 | + */ |
| 32 | +#define LED_PIN 13 |
| 33 | + |
| 34 | +/* |
| 35 | + * 1-time setup code that runs during initialization. |
| 36 | + */ |
| 37 | +void setup(void) { |
| 38 | + pinMode(LED_PIN, OUTPUT); |
| 39 | +} |
| 40 | + |
| 41 | +/* |
| 42 | + * Main code, which will run forever. |
| 43 | + */ |
| 44 | +void loopvoid() { |
| 45 | +digitalWrite(LED_PIN, HIGH); |
| 46 | +delay(1000); |
| 47 | +digitalWrite(LED_PIN, LOW); |
| 48 | +delay(1000); |
| 49 | +} |
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