Not every project has to be complicated– reinventing the wheel has its place, but sometimes you find a module or two that does exactly what you want, and the project is more than halfway done. That ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

version 2.1 of the License, or (at your option) any later version.

#include "rom/gpio.h" #define GPIO_MATRIX_CONST_ZERO_INPUT GPIO_FUNC_IN_LOW #define GPIO_MATRIX_CONST_ONE_INPUT GPIO_FUNC_IN_HIGH ...