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small changes to the Debounce example
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@ -22,15 +22,15 @@
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modified 28 Dec 2012
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modified 28 Dec 2012
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by Mike Walters
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by Mike Walters
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This example code is in the public domain.
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This example code is in the public domain.
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http://www.arduino.cc/en/Tutorial/Debounce
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http://www.arduino.cc/en/Tutorial/Debounce
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*/
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*/
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// constants won't change. They're used here to
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// constants won't change. They're used here to
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// set pin numbers:
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// set pin numbers:
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const int buttonPin = 2; // the number of the pushbutton pin
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const int buttonPin = 2; // the number of the pushbutton pin
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const int ledPin = 13; // the number of the LED pin
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const int ledPin = 13; // the number of the LED pin
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// Variables will change:
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// Variables will change:
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int ledState = HIGH; // the current state of the output pin
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int ledState = HIGH; // the current state of the output pin
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@ -75,13 +75,13 @@ void loop() {
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// only toggle the LED if the new button state is HIGH
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// only toggle the LED if the new button state is HIGH
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if (buttonState == HIGH) {
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if (buttonState == HIGH) {
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ledState = !ledState;
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ledState = !ledState;
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// set the LED:
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digitalWrite(ledPin, ledState);
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}
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}
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}
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}
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}
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}
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// set the LED:
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digitalWrite(ledPin, ledState);
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// save the reading. Next time through the loop,
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// save the reading. Next time through the loop,
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// it'll be the lastButtonState:
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// it'll be the lastButtonState:
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lastButtonState = reading;
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lastButtonState = reading;
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