13 lines
457 B
C++
13 lines
457 B
C++
void setup() {
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// initialize digital pin LED_BUILTIN as an output.
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pinMode(LED_BUILTIN, OUTPUT);
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}
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// the loop function runs over and over again forever
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void loop() {
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digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
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delay(1000); // wait for a second
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digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
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delay(1000); // wait for a second
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}
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