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[Nighthawkinlight] has made his own palm cannon to shoot Airsoft pellets. His process, which he guides us through step-by-step in the video after the break, definitely invokes MacGyver buy using commonly available parts in a way they were not intended. He starts with a barbecue lighter, removing the screws and plastic housing to get at the clear plastic butane reservoir which serves as the … [Read more...]
Sometimes it's apparent that there is no practical use for something featured on Hack a Day, but we don't know if [Andrew Filer]'s Apple ][ USB keyboard qualifies for this. After reading through the very thorough documentation available in electronic and dead tree formats, [Andrew] decided that Apple ][ would make a great USB keyboard. Unlike modern keyboards, vintage computers like the TRS-80, … [Read more...]
It’s no secret that wireless mice can eat through batteries pretty quickly. Rather than keep a fresh supply of AAs on hand at all times, [Phil] decided he would convert his mouse to use a rechargeable lithium polymer battery instead. This isn’t the first time we’ve seen a cell phone battery crammed into a mouse to increase capacity, but we think this one has been done quite nicely. [Phil] … [Read more...]
The Open Hardware Summit is gearing up for their second annual conference, which is to be held on September 15th, 2011 in New York City. The summit aims to be a venue where users can present, discuss, and learn about open hardware of all kinds. Hot on the heels of the Open Hardware definition announcement, the summit is bound to be an exciting gathering of hackers, makers and hobbyists of all … [Read more...]
We have seen a few very nice and polished AVR based projects from [Manekinen] over the last few years. Now he has just finished his latest project, the µProg, a super tiny complete AVR programmer with a bunch of features. The µProg completely eliminates the need for a computer to program your embedded AVR chips. The programmer fits entirely behind an LPH7779 graphics display, and accepts any … [Read more...]
[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums function as well as the best way to keep one moving without the need for chains and weights, which are typically associated with these sorts of clocks. His first experiments involved driving a simple … [Read more...]
Like most of us at Hack a Day, [Bertrand Fan] has a huge collection of digital music that was all obtained through legal channels. Missing the physical process of choosing and playing an album, [Bertrand] built an RFID record player to get rid of the paradox of choice that arises when thousands of albums are at your fingertips. The records are repurposed Christmas ornaments with RFID disk tags … [Read more...]
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