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.
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Make paper CD cases
Andrew writes – “Looks like this site has been around a few years, but I just found it while searching for an easy way to print some cd covers. There’s a form you fill out with all your cd info, and you can choose to print either an origami-style paper cd case, or a standard […]
HOW TO – Nintendo Wifi over dial-up
Pokemonfan18 has an article on use the DS over a dial up connection – “This tutorial is to help you get connected to Nintendo Wifi with a dial-up connection. Even though lots of people think that wifi with dial-up would lag and cause the people with high speed internet to go slow, that is not […]
360 degree digital camera
Imvain2 in the MAKE forums writes – “Looks like this guy took an idea that I had to a whole new level! Essentially this is a digital camera that you hold in your hand and it will spin 360 degrees.” Link. This is a pretty clever concept design, if the LCD screen or audio cue […]
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. […]
HOW TO – Stream music through your TiVo
Streaming from TiVO how to for TiVO owners by Dave Zatz “TiVo’s rumored HD model seems almost as good as vaporware these days, so it’s a good thing your existing Series 2 still has a few tricks left up it’s sleeve. For example, your PC can broadcast audio from the Sirius web site and then […]