This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

BC7595 -- 6 digits 7-segment LED display with 48-key key matrix driver BC7591 -- 32 digits 7-segment LED display with 96-key key matrix driver This library is available for all Arduino devices, and ...

A CRT test pattern generator built around an ESP32 board makes it easy to check old TVs quickly, without hauling a console or other bulky gear. It outputs PAL/NTSC composite patterns and shows a ...