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

LarryD October 19, 2017, 9:10pm 11

If those LEDs do not have a series resistor ~220Ω you will blow your Arduino.

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