yeah you can try this:

Paypal donate link

thanks

Btw I made some good progress today:
The symsearch module can now be unloaded so updating is easier. I added a warning screen to the UI that appears if you enter dangerously high values, just to make sure you don't do anything stupid by accident. I also fixed the problem with the voltage not returning to normal when you don't enter a custom voltage.
I only have one more thing to do before releasing this, I need to run the stability test in a separate thread so it doesn't prompt you to close the app when it's busy.