Detern – Geschwindigkeitsmessung per WebCam (measure speed by web cam?)
Site is in German, but with the software there it appears you can measure the speed of vehicles with a web cam (We didn’t test this out, please be careful, etc..) – Link.
Technology
Theremug – tea based theremin!
Theremug, a tea based theremin! Thanks Zach! – Link.
TV-B-iGone
Bladdo writes – Mitch the creator of TV-B-Gone gave us a truly great device. A tiny little keychain that has the ability to turn off or on virtually any tv in under 70 seconds. The only problem is people catch on… people know about tv b gones now adays and look for them. You have […]
SMT Joule thief
Parany made very small Joule Thief by SMT common mode choke coil and other SMT parts – Link. Related: HOW TO – Make a Joule thief – Link. Make a Joule Thief – Weekend Projects Video Podcast – Link.
Super simple vactrol construction
(LED + LDR)Tape = Vactrol. A Vactrol is an optoisolator device used for channel switching amplifiers… Try one with a 555 blinker circuit in place of a potentiometer for instant vibrato… Link. Related: Blinking eyes circuit for halloween gadgets – Link.
Record more than 45 seconds of audio or video on the XO – OPLC laptop
Brian has a new OLPC, so that means he’s going to be hacking it a lot… He writes – If you go into the Record activity on the XO laptop, you’ll find that you can only record a maximum of 45 seconds of video and audio. But since almost everything in this little green wonder […]
HOWTO – HDR photography in Gimp or Photoshop
High Dynamic Range (HDR) photography is the process of taking several images at different shutter speeds and combining them into a single photo that contains no washed out or underexposed areas. The result is a surreal, almost too perfectly lit photograph that contains a high level of detail throughout the image. Photoshop has a built-in […]