Last week I was browsing my old backup hard drive and I found a source code for a very simple PIC based digital timer that I made a couple of years ago. The actual hardware of the project isn’t with me anymore. I might have lost it when I moved from my old apartment into [...]
James Hartnett took an old nixie tube meter and converted it into a clock. By using an arduino microcontroller to interface to the clock he is able to get the time to display. It is a bit finicky and needs to be calibrated very carefully to get the right time to display. Read more. [via: [...]
A few years ago when [Dr. West] was wrapping up his collegiate studies, he put together a pretty cool coilgun for his senior project. The gun was built to simulate the Scorched Earth computer game in real life, but due to time constraints he was only able to build one turret instead of two. The [...]
[Todd Harrison] took a slew of pictures in his quest to loose all the secrets of the G-35 Christmas Lights. These are a string of 50 plastic bulbs which house individually addressable RGB LEDs. We’ve seen a ton of projects that use them, starting about a year ago with the original reverse engineering and most [...]
[Dmitry Grinberg] has to walk all the way across his bedroom to switch the lamp on and off. The drudgery of this finally became too much, so he built a remote control and added dimming for good measure. Above you can see the circuitry for the remote and the receiver, as well as the finished [...]
Most of the time, CNC machines are used for very precise and exacting. There is another way that allows for a more “hands on” approach to routers and mills that allows for a lot more creativity and freedom. The touchCNC these guys whipped up allows anyone to finger paint with a friggin router. From the forum [...]
[HammyDude] was tired of buying replacement batteries for his power tools. He had some Lithium Polymer batteries on hand and decided to take one of his dead drills and swap out the dead power pack. The orange battery pack you see above has a deans connector on it for use with RC vehicles. By opening [...]
Last week I found out that Portal 2 was on sale for just $10.20 through Steam. I had played the first game through Steam under Ubuntu so I knew it was possible. But since then I did a clean install of Oneiric Ocelot 11.10 (the newest version of Ubuntu) and needed to start from scratch [...]
There’s a lot of builders around whose first foray in electron manipulation was building effects pedals for guitars. It looks like [Dino] might be getting back to his roots with his tremolo effects box how-to. Last week, [Dino] found an old 5-watt tube amp in someone’s trash and decided to bring it back to a [...]
Trade shows are all about attracting attention and getting people to learn about your product, so what could be better than a custom-built RC blimp? Sure, you could just buy one, but what’s the fun in that? After several design iterations, [Tretton37] came up with a blimp known as the [LeetZeppelin] controlled by an Arduino, [...]
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