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

In the world of smart homes, there are plenty of fantastic devices out there that can integrate well with Home Assistant and your other tools, and while dedicated sensors are great for their ...
EDN

A guide to selecting power supplies for LED lighting applications

Thanks to their energy savings, long service life, durability and design flexibility they offer, light emitting diodes (LEDs) are rapidly replacing incandescent and fluorescent technologies in both ...
EDN

How to design LED signage and LED matrix displays, Part 1

LED-based signage and matrix displays are bringing new dimensions of versatility and eye-pleasing visual effects to a growing number of outdoor and indoor applications. Recent advances in LED ...
Financial Post

New Ultra-Low Power Matrix-Type LED Drivers with Configurable Matrix Size

MILPITAS, Calif., April 08, 2024 (GLOBE NEWSWIRE) — Lumissil Microsystems, an Operating Unit of ISSI, announces the release of the IS31FL376x series of matrix LED driver ICs targeted for white goods, ...
Hackaday

led matrix display

Like so many of us, [aforsberg] found themselves fascinated with the WOPR computer from WarGames — something about all those blinking LEDs must speak to nerds on some subconscious level. But rather ...
Hackaday

led matrix

A lot of projects get made because someone just has the parts lying around. In this case, [Ed Nisley] got given a nice 8×8 RGB LED matrix, and needed something to display. [Ed] details the ...