Lev Sergeyevich Termen
A Theremin Love Story
Theremin Schematics
Ultimate Original Schematic
The Capacitive Sensor - Pressure and Accelerometer
Capacitive Sensors - An Overview
Building a reliable capacitive-sensor interface
Capacitive Sensor Operation and Optimization - How Capacitive Sensors Work and How to Use Them Effectively
Spread Spectrum Capacitive Sensor