The ARM Cortex M3 has generated lots of buzz lately. Maybe you’ve been working with Arduinos, AVRs, or PICs for a while, and heard about the Cortex M3, but weren’t sure what it was all about or whether it was even relevant to…
My newest design is a PC downloader utility called blsync, created as part of the Backwoods Logger project. BLsync is a command line program with a corresponding hardware adapter, and it enables snapshot lists and temperature / altitude / pressure graphs to…
Sometimes the simplest things give me the most trouble. I’ve been working on a downloader cable adapter for the Backwoods Logger, with the goal of supporting both 5V and 3.3V FTDI cables. Because the Backwoods Logger is a 3.3V design,…
A few weeks ago, I posted some thoughts on an SD-card based floppy emulator for classic Macintosh computers. This idea has been on my mind again recently, and I’m trying to determine whether this could be done solely with a…
I’ve been working with my daughter Alice on an LED lightboard project for Halloween, and today we finished the construction. Whew! We started out two weeks ago with a giant 4 foot x 2 foot pegboard from Home Depot, and…
The Backwoods Logger is a programmable graphing altimeter / thermometer, developed and documented here at Big Mess o’ Wires. Today is a big day for the Logger: I’m re-launching it as a formal open hardware project, and also offering a small test run…
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