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27 lines
525 B
27 lines
525 B
/* |
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* Blink |
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* Turns on an LED on for one second, |
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* then off for one second, repeatedly. |
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*/ |
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#include <Arduino.h> |
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void setup() |
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{ |
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// initialize LED digital pin as an output. |
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pinMode(LED_BUILTIN, OUTPUT); |
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Serial.begin(9600); |
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Serial.println("Hello World"); |
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} |
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void loop() |
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{ |
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// turn the LED on (HIGH is the voltage level) |
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digitalWrite(LED_BUILTIN, HIGH); |
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// wait for a second |
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delay(100); |
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// turn the LED off by making the voltage LOW |
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digitalWrite(LED_BUILTIN, LOW); |
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// wait for a second |
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delay(100); |
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}
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