Sample Code

/*

# Description:

# When you push the digital button, the Led 13 on the board will turn on. O

therwise,the led turns off.

*/

int ledPin = 13;

// choose the pin for the LED

int inputPin = 2;

// Connect sensor to input pin 3

void setup() {

pinMode(ledPin, OUTPUT);

// declare LED as output

pinMode(inputPin, INPUT);

// declare pushbutton as input

}

void loop(){

int 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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