Fresh hacks every day
This project is in one of our favorite categories; the kind where asking "why?" is the wrong question. [Berto A.] built the device after observing some power generation by placing a large magnet next to a mechanical relay coil and quickly clicking the relay's lever. From this humble beginning he built up the RattleGen, a bicycle spoke driven generator. To get the most power possible he searched … [Read more...]
This thing is so cool it almost looks fake. But [Matt Richardson] isn't a hoaxster. He actually built what might be called a heads-down display for your bicycle. He refers to it as a headlight because it borrows a similar function. It mounts on the handlebars and shoots light off the front of the bike. But it's more than just a battery and a bulb, this uses a pico-projector to give that light some … [Read more...]
Here's another Flora Arduino based project from [Becky Stern]. It's a backpack with brake lights and turn signals for use when motorcycling, but it should work just as well for bicyclists. From this view the project looks pretty normal, but things get downright crazy when she decided to use the WS2801 pixels for the LEDs. Sure they take all the work out of driving an array of LEDs, and they offer … [Read more...]
If you're going to use your bicycle as transportation at night you really must have a head and tail light in hopes that the crazy drivers don't hit you. For good reason, these lights don't turn themselves off. But [Miceuz] kept forgetting to shut it down upon arrival and always ended up with dead batteries. His quest for an auto-off feature that actually worked ended in a brilliant and simple … [Read more...]
Before beginning his day, [Richard] needs to decide whether he should ride his bike to work or take the London tube. All the information to make that decision is available on the Internet - the current weather report, and the status of the subway lines and stations he'd be taking. The problem, though, is all these pieces of information are spread out in multiple places. [Richard]'s solution to … [Read more...]
This is a cargo bicycle made almost completely out of wood. [Niels] and three of his classmates built it at Wico Campus Tio, a science and technology school in Dorpsstraat, Belgium. There's a lot to be impressed by in this build. Sure, the guys concede that not everything is wood. They used metal screws as well as hubs, a crank shaft, and gears from a bicycle (not seen in this image). But … [Read more...]
Every year, the ECE department of Carnigie Mellon University hosts Build18, an engineering festival intended to get students out of the classroom and into the workshop. [Andrew Toth] along with team members [Jenna MacCarley], [Peter McHale], and [Nicolas Mellis] have been busy this last week putting together an automatic bicycle transmission. Most cyclists agree that a cadence of 80 RPM is … [Read more...]
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