LED, but what does that mean, and why does it matter? I break down how this tech can make your TVs brighter, more vivid, and ...

Both the Arduino and the MPU-6050 board are readily available and not particularly expensive, and the LED matrix displays are just 8×8 arrays of red/green LEDs, each driven by a HT16K33 LED ...

While you can get an LED matrix in any size or shape ... multiplexed and in an Arduino form factor, and that many LEDs were just too bright and indistinct next to each other.