Advent Calendar of Circuits 2014

So many people begged me to do an Advent calendar this year I just had to do it again.

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2014-12-14: ACoC 2014: Day 14: De-shocker Wand
An electrostatic discharge wand with neon indicator lamp.
2014-12-13: ACoC 2014: Day 13: Field Mill
A simple field mill made from PCB material and a small electric motor.
2014-12-07: ACoC 2014: Day 7: Variable Capacitor
The CAD files for the variable capacitor frame.