May 30, 2008

Find the Item Contest

  Something a bit different this week. As you have probably seen we offer many free technical magazines that can be subscribed to by answering a few questions. The contest this week will be a hunt for the matching magazine. The knife we are giving away this week will help you void warranties like no ones business when you need to crack the next hack open. If you are under

Robot Power Plant

This Robot Power Plant project by Ken Gracey over at Parallax shows how we can get away from using huge batteries for power hungry mobile projects. There are pictures of his second build style after the jump.  "Project Purpose:  To develop an outdoor robot power system which can deliver many more amp-hours of energy than batteries, using a gas engine and a modified automobile alternator. The initial purpose was not to build a robot,

Camera Flash Stun Gun

  With just a few tools and a disposable camera you can build an inexpensive stun gun. In the video the wires are simply twisted but you should use a bit of solder to hold the wires securely.