I'm working on a project where I need to set up a grid or matrix of electrodes (like 6 x 6) with high voltage AC input ranging from 7 to 12 kV. My goal is to control the voltage supplied to each electrode individually while using the same power source, possibly with an Arduino as the control unit. Does anyone have insights or methods to achieve this?
2 Answers
That's a pretty high voltage you're working with! Can you share a bit more about what you're trying to achieve with that 7-12 kV? Are you looking to control all the electrodes individually for something specific, like a DBD plasma actuator? It might be worth mentioning that you'll need to figure out how to step down the voltage and implement relays or transistors to safely control that AC input.
I get that combining Arduino with high voltage can sound sketchy, but it's definitely possible! You just need to ensure you design your interface board safely to avoid any accidents. Arduino can control low-level signals that switch higher voltage relays, so it can be a solid option for your project as long as safety is prioritized!
Exactly! Just make sure you have proper insulation and protection on your board to keep it safe. High voltage and microcontrollers can be a dangerous mix if not handled correctly.

Yeah, the goal is actually for a DBD plasma actuator grid. I need to control the voltage at each electrode individually for effective air ionization, as shown in some research I’m trying to replicate.