NewRoombaInTown writes – “The battery in my Roomba died and as I was searching around for Roomba information I discovered that the Roomba battery can be opened up and the contents can be replaced for less money than buying a new battery. Another positive side effect is the new batteries will last longer than the […]
Here’s how to make brushless motors from CD-ROM parts and use them as small model airplane motors – [via] – Link.
Gate writes – “Build a sound system for your bicycle and entertain your friends. The speakers are designed to fit within the frame and can be easily removed. My system is powered by a battery operated mobile T-amp and an ipod. The total cost of the system is well under $100 and can be completed […]
Ladyada has a new kit and best of all extensive documentation on making a charger for just about anything that recharges via USB – “This project details a small & simple, but very powerful USB charger for your mp3 player, camera, cell phone, and any other gadget you can plug into a USB port to […]
Imarunner2 writes – “Build this portable antenna mast for use in temporary or emergency communications. Possible applications include setting up temporary wifi for an event or as part of a portable emergency communications station for Amatuer Radio Emergency Services (ARES).” – Link.
Dr. Solomon’s DIY solder fume extractor – “I finally got tired of breathing solder fumes and made an ultra-low tech solder fume extractor. “Professional” versions of this device can be had for ~$100-$200 (for example). I decided this was too much money, and built one for $3.” – Link.
Gfixler writes – “This is my second Rubik’s Cube project. I’m in my Rubik’s Period right now. With the magnetic Rubik’s prototype working, I wanted to do this little craft project, most likely inspired by the works of Space Invader. I’ve often thought of ideas that would benefit from a nice box frame, so I […]
