This diy electroscope circuit can precisely measure electrostatic charge. The charge to be measured is stored on C1 (a high quality MKT capacitor with a value of 1-2 μF). The voltage (U) across the ...
Instructables member Joehan has published details of a DIY electrostatic motor or “capacitor motor” that has been created using 3D printing and is capable of providing 2 Watt HV power. The DIY ...