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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 ...
Hackaday

A Tiny LED Matrix Is Better With Friends

When we last heard from [lixielabs] he was building Nixie tube replacements out of etched acrylic and LEDs. Well he’s moved forward a few decades to bring us the Pixie, a chainable, addressable ...
EDN

16 x 16 dot matrix display is low profile

The Seam SLD161616 Blue Dot Matrix LED Displays measure 40x40mm providing excellent display resolution from 16×16 1.8mm diameter pixels. Features include a profile height of just 4.0mm and efficient ...
EDN

Create 16×16 LED Displays with Flexible Reference Design

LEDs continue to dramatically transform signage and lighting. However, often LED displays today are 8×8 and cannot communicate many international alpha-numeric characters. MAXREFDES99# integrates four ...
Geeky Gadgets

DIY LED Matrix Watch Created (video)

Anyone who is wanted to create their very own LED matrix watch may be interested in a new project which is being entered into the The 2017 Hackaday Prize competition and has been created by user Mile.