Thunderboard: if I go out, I'm fried chicken

I'll already tried to put a faraday cage around both converters, and that did not work.
I'll use a different approach. Use a 6V 1.5A Power supply in the basement. That should compensate for the long line voltage drop and provide something around 5.5V to the PI, and avoid me putting a DC to DC converter into the Weather station which is very near to the lightning detector.
But I can only test it once the missing parts from china are here - and that will take a while :}