DIY Projects
Making a Southern Cross 1 Z80 Computer
Excellent photos and write up from Mr.Bill –The Southern Cross I is a Z80-based single board computer kit from DIY Electronics. I finished assembling it on September 18th, after about eight total hours of work spread over three days. I’ll be using it to learn Z80 assembly language, with Programming the Z80 and Z80 Assembly Language Programming as references. Link.
HOW TO make a Pseudoscope
Rob H. writes “How to make an $800 pseudoscope for less than $10. My first post on this subject involved prisms, this time the scope is made with mirrors. I’ve never seen the MX-3 in person but I recommend buying one just because they look so cool, but if you can’t afford to spend that much this post will show how to make a pseudoscope for less than $10, and also how to construct better versions for a little more”. Link.
Laptop sleeve from an old sweater…
Here’s a nice way to personalize your laptop with a laptop sleeve made from an old sweater and ribbon – instructions are included, might make a nice gift as the holidays approach. Link.
DIY FM Transmitter

Here’s how to make a low cost compact FM Transmitter to listen to your favorite tunes through any FM stereo receiver. The example is a DIY iPod FM transmitter, it’s in French but you can use any translate tool on the web to get most of the details. Link.
HOW TO make a cold-cathode BAWLS lamp
Great HOW TO on making a cold-cathode BAWLS lamp, Chris writes “Now every geek’s favorite energy drink is my desk’s favorite lamp. If you have 10 dollars and a few hours, this is a perfect use for those spiffy blue bottles you don’t want to throw away”. Link.
You thought Mr. Coffee was convenient? Well, make some counter space for Mr. Beer. This ingenious easy-to-use kit gives you everything you need to brew your own tasty suds. It’s the most advanced and widely acclaimed home brewing product on the market. And it’s the simplest. [
Surfer Steve has an excellent set of instructions describing how to build your own Surfboard. Everything is documented from shaping, glassing, sanding, and even artwork. [