The NBitWonder gitHub page has been updated with two new repositories.

First, the VoIP32 project in its current state has been uploaded.  The files contained therein are the main microcontroller source code in MIPS assembler, the beginnings of a port to C, the CPLD Verilog source, and the EagleCAD files for both the main board and the peripheral board.  While formal documentation has not yet been produced (the project predates our documentation standards), you can follow project development as it happens here.

The LED Array project contains the EagleCAD files for both the driver and array boards as well as the source code and font files.  Documentation is a bit spotty for this project as well — though the original writeup can be found here.

Intro

We’ve all seen them. They’re everywhere. You know what I’m talking about; the large, bright, animated (and often distracting) message and advertising signs. I personally count about five on my ten-minute drive to work each morning. I can’t say exactly why, but I developed a strange fascination with them a few years back. Maybe it’s just the innate affinity for blinky things. Lots of people have built their own version and documented their results online. I decided I should, too.

So I did. You can see the results here. Photographed in a dark room, it even makes a catchy logo for the Web site you see before you. My approach takes what I believe is a novel approach among hobbyists; namely, I place the driver circuitry and the LED array itself on different PCBs. This aids the clean appearance of the finished product.

(continue reading…)