Featured in the September 2010 issue of Nuts & Volts, you too can power a device from a set of potted plants! However, in this case, the cells of the battery draw their energy directly from the plants, rather than from an electrochemical process. For more info, watch this clip and check out the September 2010 issue!
“THIS may be the perfect companion for those who love walking in the wild countryside or going to outdoor festivals - where the weather may be unpredictable - rubber shoes that can power up a mobile phone by converting energy from the wearer’s feet.”
“There are many globes available today which are levitating and rotating along vertical axis. This one is the world first globe levitating and rotating along TILTED axis. It uses wireless power transmittance and geared motor inside the floating globe. The movie shows details of construction.”
A passive infrared sensor (PIR) is waiting for a person to enter a room. If some movement is detected, it reports to a pic microcontroller. Finally the pic dials a phone number through the modem to alert the user.
“Who could forget the stereoscopic goodness of a View-Master? [Tuttle] put a modern flair on the classic optical device by adding two 1.5″ LCD screens. The screens replace the film disk of the original, showing slightly different images to produce a 3D effect. No word on a camera rig used to take the original images, but for our money this a great way to make something out of those useless key chain picture frames.”