Read the test.py then ;)
46 karma · joined February 7, 2016
[0]: https://github.com/willmcgugan/rich
[1]: https://www.willmcgugan.com/blog/tech/post/building-rich-ter...
The tingling comes from some leakage across the transformer isolated primary/secondary but is so small that it’s not dangerous.
That’s also completely unrelated to static discharges that zap you once you touch something that can equalize the potential
You can also check out the pages for a comprehensive documentation on the hardware side of the thing: https://github.com/dangrie158/SAP-1