Push Button

 

 

http://youtu.be/4oNz_M8QiUoCIRC-07

C07Pic

 


// Will Taylor
// Circuit 07

/*

* Button

* by DojoDave <http://www.0j0.org>

*

* Turns on and off a light emitting diode(LED) connected to digital

* pin 13, when pressing a pushbutton attached to pin 7.

* http://www.arduino.cc/en/Tutorial/Button

*/

int ledPin = 13; // choose the pin for the LED

int inputPin = 2; // choose the input pin (for a pushbutton)

int val = 0; // variable for reading the pin status

void setup() {

pinMode(ledPin, OUTPUT); // declare LED as output

pinMode(inputPin, INPUT); // declare pushbutton as input

}

void loop(){

val = digitalRead(inputPin); // read input value

if (val == HIGH) { // check if the input is HIGH

digitalWrite(ledPin, LOW); // turn LED OFF

} else {

digitalWrite(ledPin, HIGH); // turn LED ON

}

}

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