20 lines
318 B
C++
20 lines
318 B
C++
#include <TimerOne.h>
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#define ledPin 4
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int ledState = LOW;
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void setup() {
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pinMode(ledPin, OUTPUT);
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Timer1.initialize(500000); //The led will blink in a half second time interval
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Timer1.attachInterrupt(blinkLed);
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}
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void loop() {
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}
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void blinkLed(){
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ledState = !ledState;
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digitalWrite(ledPin, ledState);
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}
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