Multimeter or Continuity Tester

Solar Laptop/Device Charger

Solar Laptop/Device Charger

First off, be careful with those battery packs. I used old 18-volt cordless battery packs from the tools you get at Harbor Freight, and if you’re not careful you can zap yourself pretty good if they are still holding a charge. If you have access to new Ni-Cad batteries (look on eBay) I would go […]

Pixelmusic 3000

Pixelmusic 3000

In 1976, Atari introduced Atari Video Music, a plugged-in music visualizer designed by Pong creator Bob Brown that bridged the yawning gap between consumers’ stereos and their TV sets. The quirky, psychedelic pixelation device never caught on, but watching it in action today (check it out on YouTube), one is taken back to another time, […]

IC Wall Outlet Adapter

IC Wall Outlet Adapter

I like to build a lot of circuitry, but the voltage regulators that most IC’s require get annoying when you have to keep on buying them and putting them into each board you want to power. This is a very simple little device that will take the voltage coming from a power outlet in your […]

Yobot: Arduino Yogurt Maker

Yobot: Arduino Yogurt Maker

I’m lazy. My impatience often leads me to botch important steps when I make yogurt. So to get better control over the fermentation process, I made a crockpot thermostat attachment to precisely control the temperature. You can buy electric yogurt makers, but most of them only incubate; the heating/sterilization step still has to be done […]