Homemade Silicon Carbide LED

June 5, 2012 By 15 Comments

Here’s an LED indicator which was made at home out of a Silicon Carbide (SiC) crystal. The concept is simple, but a bit of trial and error goes into getting that tiny amber spot to light up.

The guesswork comes in finding the right piece of crystal. First [KOS] broke it into tiny pieces, then he started poking the … Read the rest

Filed Under: chemistry hacks, led hacks Tagged With: , , ,

Homemade Bokode

October 1, 2009 By 11 Comments

We’ve recently been getting a lot of new comments on our Bokode post from a while back, and with good reason.  [M@] has managed to find a way to replicate Bokode at home, using $0 worth of equipment (before the price of microprint). To accomplish Bokode at home, it seems all you need is and old webcam lens assembly … Read the rest

Filed Under: misc hacks, security hacks Tagged With: , ,