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37 lines
883 B
37 lines
883 B
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// This example toggles the debug LED (pin 13) on or off
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// when a button on pin 2 is pressed.
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// Include the Bounce2 library found here :
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// https://github.com/thomasfredericks/Bounce2
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#include <Bounce2.h>
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#define BUTTON_PIN 2
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#define LED_PIN 13
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int ledState = LOW;
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Bounce debouncer = Bounce(); // Instantiate a Bounce object
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void setup() {
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debouncer.attach(BUTTON_PIN,INPUT_PULLUP); // Attach the debouncer to a pin with INPUT_PULLUP mode
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debouncer.interval(25); // Use a debounce interval of 25 milliseconds
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pinMode(LED_PIN,OUTPUT); // Setup the LED
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digitalWrite(LED_PIN,ledState);
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}
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void loop() {
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debouncer.update(); // Update the Bounce instance
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if ( debouncer.fell() ) { // Call code if button transitions from HIGH to LOW
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ledState = !ledState; // Toggle LED state
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digitalWrite(LED_PIN,ledState); // Apply new LED state
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}
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}
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