DIY Projects

Mr Lee now fetches $

Mr Lee now fetches $

Ladyada writes– If only all cats could make money for their owners! ;) You may remember “Mr Lee” the cat who was outfitted with a matchbook-camera that would allow the owner to ’see what the cat saw’. It was quite a popular website a few months ago, and it seems that a business opportunity presented […]

Homebrew parametric speaker

Homebrew parametric speaker

If you’re familiar with the audio spotlight, then you now how very awesome narrow beam ultrasonic speaker devices can be. They can project a sound efficiently over long distances without spreading like common speakers. One can essentially walk into the ultrasonic line-of-fire and begin to hear sound abruptly – certainly an interesting effect. Though not […]

GO-Tech Meeting in Ann Arbor

GO-Tech Meeting in Ann Arbor

Dan Glover of GO-Tech writes: The October GO-Tech meeting (Ann Arbor, MI) is Tuesday, October 14, 8 pm, at Great Oak Cohousing (see below). This will be our 15th meeting! We’ll have a demo of FIRST pneumatics, along with the usual eclectic mix of projects. Bring something cool to show off, especially if it fits […]