Building a Plasma Flame Generator, HFSSTC Class-E Tesla Coil

project description says:

We set the voltage of the power supply to about 10-12V, and the current is limited to 1A. We set the potentiometer in the far left position

which potentiometer is that about? RV1?

Hello Konstantin, welcome to the TechForum,

Unfortunately we do not carry the RV1 series.

‘RV1’ is a potentiometer designation on schematic diagram.