Dan’s soda can solar heater provides up to 120 degrees of temperature differential. Ever since I built my first soda can solar heater three years ago, I’ve received plenty of input on how to improve the design for better heat output. For that reason, I never hooked up the first one – in fact, I […]
If you are into Radio Control Models or robotics chances are that you have an old RC transmitter laying around. This article describes how to create a motion control module for your RC transmitter, that will allow you to control your model or robot by simply tilting the transmitter case. The tutorial includes schematics, instructions, […]
There’s no doubt I have eccentric tastes, but I love the way this looks. Would be even cooler if she had, like, a stainless steel feed trough or something for the tub.
Over at Core77, designers are brainstorming containment ideas for the BP oil leak: Are you tired of watching the BP Oil Spill continue to flow unabated, and all anyone seems to be talking about is who is going to pay for the damage that is ongoing with no end in sight? The relief wells that […]
When shopping for switches, it’s really satisfying to dig through a drawer full of awesome options for your project, but it’s easy to get stuck with something that’s not quite right if you don’t read the package carefully. I identify with Randy Sarafan’s illuminated switch problem: I was about to wire it all up into […]
Richard Kline wrote in with his detailed and well-written tutorial on how to create your own ginormous 5×7 display. I built this large display, which is designed to mimic a common 5×7 LED readout, out of pink foam insulation and sundry other bits from Home Depot. The LED’s are diffused 5mm RGB’s wired together with […]
Chris Molloy from New Zealand writes: I’m about to embark on an epic (for me at least) hiking expedition, and, in the name of minimising pack weight, my SLR is staying at home and my compact camera is coming out to play. BUT one thing I was potentially going to miss was the ability to […]
