LED matrix display comes in. There are plenty of LED-based displays out there like this one, but the problem is that many of them are proprietary, may not support your own self-hosted solutions, or ...

DIY pixel-art frame: ESP32 (Waveshare), screen and power — tiny, beginner-friendly BOM. Connects via Wi-Fi, auto-downloads and cycles art every 30s; web control, SD caching and robust file handling.

Visitors at the Garden D’Lights in Bellevue, Washington had a problem. While touring the holiday lights show, they kept straying off the path. The event organizers tried some simple LED arrows, but ...