Measure your reaction time in milliseconds with an Arduino Uno, a MAX7219 8×8 LED matrix and a single push‑button.

This is a beginner-friendly Arduino project that displays a digital dice roll (1–6) on an 8x8 LED matrix using the MAX7219 chip. This is part of a personal learning journey into embedded systems, ...

[Peterthinks] admits he’s no cabinet maker, so his projects use a lot of hot glue. He also admits he’s no video editor. However, his latest video uses some a MAX7219 to create a 600 character ...