Fit the polones pi detector into a 32mm diameter water pipe

[ZOUjiarui]

Draw a 20x200mm pcb and make it work with 18650 batteries. Lines are long and may be noisy

[ZOUjiarui]

This is a new idea, hopefully it will work.

[ZOUjiarui]

I used 0.2mm wire, probably too thin. It will take a few days to check for errors