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1602 LCD Contrast Control with Arduino – Simple Arduino Trick!

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...
EDN12y

Arduino Potentiometer LED Brightness and Fan Speed - Tutorial #7

We set the potentiometer pin as 0 (A0 on the Arduino Uno board), the CONTROL variable is the voltage that is used to cotrol the led brightness of the speed of the fan. In the setup() function the ...