Adjustable 350T Regulator


Anyone that has played with these little workhorses of our world and wondered how they work, read on. The standard three-terminal regulators like the 7805 (5v) are what most people see and use without thinking too much about them. All voltage regulators work about the same. They read a reference... Read more »

HAB APRS Tracker


You don’t just wake up one day and decide you are going to send a camera into space. But I kind of did. I teach high school at Beaufort High in Beaufort, South Carolina. I think it was the first or second day of the Christmas break for the 2009-2010... Read more »

Cheap Soldering Fan


This fume extractor is based on the mini fume extractor that was made by Marc de Vinck. This is basically a fume extractor mounted onto a third-hand tool. In other words, this is just a thing you can do with the mini fume extractor. If you want a fume extractor... Read more »

Nook Tablet Android Hack

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  • 12/18/2012 @ 10:55 pm

This guide is for people that wish to have Android on their Nook but don’t want to do any complicated rooting processes. The reason I made this is because I tried to root my Nook tablet with no results at all and it was a waste of time; rooting may... Read more »

Geiger Counter


This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most common Geiger–Müller tubes, and easily connects to radiation rate meters, data loggers, true random number generators, and the Radiation Network’s GeigerGraph software. Share your radiation readings with the whole world! Read more »

9-Watt MR16 LED Lamp


I have a range of new LED lighting kits and parts available. I have designed street lights / down lights / pool lights / commercial lighting kits as well. Keep a lookout as I will be bringing out more LED lighting kits from my design range. Now you can build... Read more »