Month: June 2009

Open  source EV controller

Open source EV controller

Photo from Paul and Sabrinas EV Stuff Nikki likes this open source Electric Vehicle controller project. With an EV, your primary components are the motor, batteries, charger and the controller. If people can develop a design that will allow a more inexpensive and high quality motor controller, they can move the technology in a good […]

How-To: Robot voice modulator

How-To: Robot voice modulator

Randy Sarafan writes: This is a simple to build device that converts your own human voice into a superior robot voice. It also includes a number of sweet features like an audio-in jack so that you can plug in all of your favorite instruments, microphones and music players, a vibrato mode and awesome pitch shifting […]

Kidlaunching!

kidlauncher from connors934 on Vimeo. Kidlaunching is a variation on the slip and slide model of backyard/park fun. What we did this day was lay out a hundred feet or so of plastic sheet on the grass, tied a gigantic elastic band to a tree and poured water from a park fountain over the plastic […]