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I built this beautiful LED matrix display with an ESP32 for $30

As a result, if you have a modern Raspberry Pi, the rpi-rgb-led-matrix API is perfect for this kind of project. If you have an underpowered one like I do, then you may run into roadblocks caused by ...
How-To Geek on MSN

5 ESP32 projects you can finish in under 1 hour

5 quick projects that actually solve real problems ...
Hackaday

RGB LED matrix

[Stefan Schüller] was a fan of the LED signs that display arrival information for the trams and buses in their city of Zürich. [Stefan] was having trouble finding a source to purchase the signs so, ...
Hackaday

Let Twitch Chat Control Your LED Strings

Once upon a time, someone set up a livestream wherein the messages from Twitch chat could control a game of Pokemon. Since ...