Keyestudio KS0436 Kit Manual page 140

digitalWrite(13, HIGH);
digitalWrite(12, LOW);
digitalWrite(11, LOW);
}
else if (vol>=28 && vol<=30)
{
digitalWrite(13, LOW);
digitalWrite(12, HIGH);
digitalWrite(11, LOW);
}
else if (vol>30)
temperature area and LED setup
{
digitalWrite(13, LOW);
digitalWrite(12, LOW);
digitalWrite(11, HIGH);
}
}
140
// low