[Glitch] got his hands on a slew of relays which are meant ... This steps down mains voltage to something a 7824 regulator can handle. That’s a 24V linear regulator which is fed by a bridge ...

Unlike most Tesla coils, [Teodor]’s design is able to run with a fairly low input voltage because it doesn’t use a static spark gap like most Tesla coils. Instead, his coil uses a relay in ...

Omron is aiming at electric vehicle chargers and solar photovoltaic installations by adding a low ... and 24V (96mA 250Ω) coils are available – the coil needs an external diode and a Zener (in series) ...