Archive for date: August 2, 2011

Raymond Jimenez’s Amateur Nuclear Fusion

August 2, 2011 | Amateur Science | By: Mark VandeWettering

While looking up some references on amateur nuclear fusion (don’t ask!) I found that Raymond Jimenez had written a cute 40 page book on his own experiments with a Farnsworth Fusor. You can apparently order a dead tree version from Lulu for $12.50, but it’s also available as a free download. Raymond Jimenez’s Storefront – […]

Decoding a quadrature encoder just isn’t that difficult

August 2, 2011 | Programming Languages | By: Mark VandeWettering

I was shown some truly horrifying code that reported to decode a quadrature shaft encoder. It was just mind bogglingly stupifying that someone would go to that much work to write something so utterly horrible. Here’s the way that I think of them. A quadrature shaft encoder looks like a 2-bit Gray code counter. Instead […]