24 lines
470 B
C++
24 lines
470 B
C++
/*
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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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}
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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(1000);
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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(1000);
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} |