Plans for building a scanning tunneling microscope (STM) for under $100 – “The goal of this project is to build a simple STM that can resolve atoms, with a cost of materials less than $100.00 excluding oscilloscope. My real goal here is to provide a base of information so experimenters and students could build a […]
Good how to on voltage conversion from 9 VDC to 220 VDC, Pedro writes – “To have a Direct Current Converter on your work bench increases greatly your capability of experimenting within an ample range of electronic components that need over 100 volts to be driven. Among these components we find neon lamps, nixie display […]
Adam writes – “On a lazy Sunday afternoon, some time back now. I decided to build a synthesizer. Analogue electronics is not really my thing, I’m much more a digital person but when I found a design online for The #3 Standard WoggleBug, I just had to build one.” – Link.
Tmiron writes – “Here is a neat and easy way to make a bike lock holder that stays on your bike. More specifically this is for the U-Bolt type bike locks. The cable ones, you can usually just wrap around the seatpost, but the U-bolt are a little more difficult to carry around while your […]
Rad, underground soapbox derby racing in NYC – “On a recent Saturday afternoon, a group of soapbox racers well past childhood gathered on a steep hill in Brooklyn. With a push and a prayer, they piloted their homemade carts – a wooden cabinet on wheels, a punked-out baby stroller, even a NordicTrack – down the […]
The new Macbook’s aren’t the only laptops you can knock, slap and bump to perform commands – “For the first time, you can hit your computer and get a meaningful response! Using Linux and the Hard Drive Active Protection System (HDAPS) kernel drivers, you can access the embedded accelerometers on Lenovo (formerly IBM) ThinkPads, then […]
Leevonk shows you how to make your own secret agent / FBI style ear phone(s) – Link.
