Archive for January 2010

Building a Degaussing Coil

One of my older CRT TVs does not have a built-in degauss button and after sitting in the corner of the basement for a couple of years, it somehow got magnetized pretty badly. The top two-thirds became totally disclorored with the “rainbow” effect. Continue reading ‘Building a Degaussing Coil’ »

The Simplest MOSFET On/Off Switch

A touch sensitive on/off switch can be made with a single MOSFET. The following schematics illustrate such a switch using only a power MOSFET (IRFZ22). Continue reading ‘The Simplest MOSFET On/Off Switch’ »