int PinButton1 = 2;
int PinButton2 = 3;
int PinButton3 = 4;
int PinLed1 = 9; //red
int PinLed2 = 10; //yellow
int PinLed3 = 11; //green
void setup()
{
pinMode(PinButton1, INPUT);
digitalWrite(PinButton1, HIGH); // turn on pull-up !!
pinMode(PinButton2, INPUT);
digitalWrite(PinButton2, HIGH); // turn on pull-up !!
pinMode(PinButton3, INPUT);
digitalWrite(PinButton3, HIGH); // turn on pull-up !!
pinMode(PinLed1, OUTPUT);
pinMode(PinLed2, OUTPUT);
pinMode(PinLed3, OUTPUT);
}
void loop()
{
if(digitalRead(PinButton1) == LOW){
digitalWrite(PinLed1, HIGH);
}
else{
digitalWrite(PinLed1, LOW);
}
//2
{
if(digitalRead(PinButton2) == LOW){
digitalWrite(PinLed2, HIGH);
}
else{
digitalWrite(PinLed2, LOW);
}
//3
{
if(digitalRead(PinButton3) == LOW){
digitalWrite(PinLed3, HIGH);
}
else{
digitalWrite(PinLed3, LOW);
}
}}}