I would recommend the UM34C USB tester, cheap, good, has BLE connectivity and a 3rd party open-source python app[1] to log and monitor the data. [1] https://gi

I would recommend the UM34C USB tester, cheap, good, has BLE connectivity and a 3rd party open-source python app[1] to log and monitor the data. [1] https://github.com/kolinger/rd-usb https://github.com/kolinger/rd-usb