An important part of designing Tesla coil driver circuits is matching the primary coil to the driver. You could do worse than checkout JavaTC to help with the calculations, as this is an area of ...

[Teodor] writes in with a unique Tesla ... his circuit, the relay, is just a standard normally-closed relay that is rated at 20A. [Teodor] wired the relay so that it energizes its own coil ...

Learn how to build a Tesla coil using inexpensive high-voltage generators and Lego, creating stunning plasma arcs without complex circuits. This Lego Technic MOC includes the primary coil ...