Measure your reaction time in milliseconds with an Arduino Uno, a MAX7219 8×8 LED matrix and a single push‑button. Full build tutorial premieres Wednesday 20:00 (UTC+3)—hit the bell so you don’t miss ...

ESP32 LED Matrix Web Display This project allows you to control an LED Matrix display (using MAX7219 modules) via a web interface hosted on an ESP32. You can send custom scrolling messages to the LED ...