I'm just trying to get this if, else statement working.
Basically, I have led lights connected to pin 2 (led 1) and pin 3 (led 2),
and I want led 2 to light up every time led 1 lights up.
My coding is,
Code: Select all
int led1=2;
int led2=3;
void setup()
{
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
}
void loop()
{
if (digitalRead(led1 == HIGH))
{
digitalWrite(led2, HIGH);
}
else
{
digitalWrite(led2, LOW); //This line won't work.
}
digitalWrite(led1, HIGH);
delay(5000);
digitalWrite(led1, LOW);
delay(3000);
}
but led 2 wont turn off when led 1 turns off.
PLEASE HELPPP