Electronics

…infringing patents (probably)

November 23, 2011
Thumbnail image for …infringing patents (probably)

I’ve been meaning to build one of these for ages. Can anyone guess what it is? It’s not a Taser, or one of those shocking buzzer things – the clue is that the coils are well “potted” and have very different gauges of wire. Answers on a postcard please, or in the comments… UPDATE : […]

Share
Read the full article →