[Discrete Electronics Guy] built a plasma bulb using the casing from an old filament bulb and an ignition coil connected to a high voltage power supply. The power supply is based on the 555 timer IC.

[NightHawkInLight] created a simple plasma cutter project along with ... He essentially cannibalizes it for use as a power supply. Any similar high-voltage power supply should work just as ...

The portable sterilizing sprayer has a lithium-ion battery that can be charged using solar power ... application of plasma technology extends to various stages of the food supply chain, including ...