It’s an easy to build high voltage power supply that interfaces with an Arduino. After harvesting a flyback from the power board of a CRT, [Andrew Moser] added a new primary coil to the transformer.

The 12V LiPo battery is first stepped up to 120V using a micro-inverter, then stepped up to 1550V through a transformer before being rectified. The high voltage rectifier gets quite hot so a ...

I am an American living in Switzerland and have no problems with most of my equipment running off a 240-120V transformer. Everything except some electronic equipment which also has its own 12V ...