Build you own metal detector
Here’s a pretty simple and fun metal detector you can make. It’s a BFO (beat frequency oscillator) – when metal is detected it changes the sound coming out from the speaker. [via] Link.
Technology
Make stuff float, with the magnetic levitation kit
This looks like a pretty fun kit – “This simple electronic kit uses magnetic levitation to suspend small objects up to about 1/2 ounce (15 Grams) or so in mid air. The air gap is about 3/8″. The electromagnet dynamically controls the position of the suspended rare earth magnet(s) attached to the levitated object. Feedback […]
$80 Tank / robotics platform – from Walmart
Geminicricket sent us in this $80 RF tank found at Walmart that seems like it would make an excellent supply of parts to procure from – “I was in Walmart today and saw a great deal that’ll be loads of fun and might be exceptionally useful to someone with more skill in electronics than I. […]
See previews of bookmarked sites…
MAKE has about 3,400 bookmarks you can check out see what we’re seeing at any time – but if a list of links isn’t your thing, here’s a site called Thumblicious that adds thumbnails to any list of bookmarks on del.icio.us – [via] Link to our bookmark thumbnails.
Telepresence book signing robot?
Sci-Fi author Margaret Atwood won’t need to travel for book signings any longer it seems, she’ll have a video screen and a robot arm that translate he movements to sign books for her. I suppose the proper term will be “tele-signing”? [via] Link. Until we get a chance to see this in person, here’s how […]
iPAQ Pocket PC drives roomba
Michael writes in about his Rooma projects – “I hacked my own firmware into the thing [Roomba] the very Saturday morning the announcement about the SCI came out on Slashdot, but, well, you know, them’s the breaks. I’ve since written a player driver for the thing I’m about to release, and I’ve got some nifty […]
Combat Robots – summer 2006
Robot Magazine has some details about a pretty cool sounding combat robot event – “Battle Beach, LLC, in partnership with Embry Riddle Aeronautical University, is pleased to announce that their next robot combat event, Battle Beach 4, will be held in Summer 2006. This is the Robot Fighting League’s (RFL) Southeast Championships and an RFL […]