15 lines
188 B
Arduino
15 lines
188 B
Arduino
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#define LED_BUILTIN D4
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void setup() {
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pinMode(LED_BUILTIN,OUTPUT);
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}
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void loop() {
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digitalWrite(LED_BUILTIN,LOW);
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delay(1000);
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digitalWrite(LED_BUILTIN,HIGH);
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delay(1000);
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}
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