How can I set brightness on my LED? My led is very strong brightness, like to set the brightness in the code :slight_smile: /* http://www.arduino.cc/en/Tutorial/Button */ // constants won't change. They're used here to // set pin numbers: const int buttonPin1 = 1; // the number of the pus…

How can I set brightness on my LED

Knutarn October 19, 2017, 9:39am 8

My phone make his own text

What type of resistors do I need ? 220 ?