Code Explanation The potentiometer value is read using analogRead () from pin A0. The value is then mapped from its range of 0-1023 to 0-255 (suitable for PWM). The analogWrite () function is used to ...

This Arduino project demonstrates how to use a potentiometer as an analog input to control the brightness of an LED using PWM (Pulse Width Modulation). The analog input is read from pin A0, scaled to ...

Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: ...

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 ...