A lightweight game/demo engine for the Arduino UNO R4 WiFi (or Minima) built-in 12×8 LED matrix. The engine provides a renderer, frame buffer, input system, and a passive-buzzer sound module — all ...
This started as a simple desk clock, an Arduino Nano, a Max7219 LED matrix, and a DS3231 RTC. I'd occasionally tinker with it, swap in some scrolling text, try something out, then flash the clock ...
The truth is producing a flashing LED circuit is not difficult, and it is like a programmer's "Hello World." You are only looking at the electronic version of things ...
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