void setup() {
// put your setup code here, to run once:
pinMode(2, OUTPUT );
pinMode(3, INPUT_PULLUP );
pinMode(4, INPUT_PULLUP) ;
pinMode(5, INPUT_PULLUP);
pinMode(6, INPUT_PULLUP);
pinMode(7, OUTPUT) ;
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
if (digitalRead(3)==LOW ){
digitalWrite(2, HIGH);
}
if(digitalRead(4)==LOW ){
digitalWrite(7, HIGH);
}
if (digitalRead(5)==LOW )
{
digitalWrite(8, HIGH);
}
if( digitalRead(6)==LOW )
{
digitalWrite (9, HIGH);
}
else {
digitalWrite(2,LOW );
digitalWrite (7,LOW );
digitalWrite (8, LOW );
digitalWrite(9, LOW );
}
}