When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green ...

One of the more impressive projects a home-bound tinkerer can pull off is some sort of display. Not only does the final project result in a lot of blinky, glowey things, but driving hundreds of LEDs ...

Looks like a commercial LED display sign… right? Not even close. This is a project of [Jon’s] from over a year ago, and it is a very impressive 128×32 LED display board, driven using a single ...