PUSH BUTTON AND LED FUN -ARM

Photo of author

By Jackson Taylor

Here on board led and push buttons are used .In this program when pressing push button led will be turn on
void setup()
{
   pinMode(PF_0, INPUT_PULLUP); //push button 1
   pinMode(PF_1,OUTPUT);        //blue led
   pinMode(PF_4, INPUT_PULLUP); //push button 2
   pinMode(PF_2,OUTPUT);        //red  led
}
void loop()
{
    if(digitalRead(PF_0)==0) //checks whether pushbutton 1 is on
    digitalWrite(PF_1,HIGH); //turn on blue led ,if pushbutton 1 is pressed
    else {digitalWrite(PF_1,LOW);}
    if(digitalRead(PF_4)==0)  //checks whether pushbutton 2 is on
    digitalWrite(PF_2,HIGH);  //turn on red led ,if pushbutton 2 is pressed
    else {digitalWrite(PF_2,LOW);}
}