The circuit above is the Halloween Spooky Audio Trigger, it has a door contact sensor connected to it and when it detects that the door has opened it waits for a short time before scaring the pants off your trick or treaters with some spooky sounds! The detection of the door opening is actually the simple part, the more complex part of the Halloween project is how the Nerd Kit
Check out the cool Solar Robotic Bug Hack that Oriental Robotics did. It converts a small cockroach like bug which is normally just battery powered into a bug that is only active in the light. When placed under a dark box they scatter as soon as the box is lifted. This is guaranteed to be a great way to scare the wife also if you put a few of these
This Arduino and Wii Motion Plus based QuadroCopter uses the Wii Motion Plus and an Arduino to allow for an inexpensive quadcopter to be developed. Via: Zedomax
Sparkfun has an interesting article on some considerations to keep in mind when working on an Extreme Low Power Microcontroller Design. When you have a design that will be running on battery power it is important to keep power consumption in mind so that the system will work for days and not hours on battery power. I was quite impressed to read that the cheap Sparkfun meter has a uA
 Thanks to Mark Frauenfelder (Boing Boing), Charlie Sorrel (Wired), Wesley Fenlon (Tested) and David Ponce (Oh Gizmo) for writing about the Remote Control IR Jammer! Mark calls it a TV-B-Gone-B-Gone, that’s a funny concept. Just think if the CES booths has some of these on hand in 2008, Gizmodo might not have had as much fun shutting down all the TV systems .
You might remember the first version of the Electric Mountainboard that Andres Guzman-Ballen had made. Well he just send in a tip about his second version which is very cool. Watch the video above and see some of the details below. Even though it is a single prototype Andres has gone to great lengths to make it very safe, there is a push button on the device that will kill
Ben Heck shows how he designed his Super Alarm Clock in the video above. I like the use of the simple push button rotary knob that is used to adjust the time. Gone is the array of small buttons along the top which have lettering so small it takes longer to figure out how to adjust the time than it does to actually make the adjustment. Having the clock know
