@Malcommand Sorry to reply late. I did not get notification because you did not address to my user name @tlfong01, or click my message to to reply, then I will be notified immediately.

I am sorry to hear that you still have not been successfully read any of the RFID device registers. I vaguely remember that the first time I played with SimpleRC522, I read the python library code and found it about 600 lines of well documented python code. If I remember correctly, I mentioned two difficulties of using SPI routine in the library:

(1) The library is using an old SPI module which is not standard Rpi Thonny 3.7.3, so we need to modify the SPI setup part of the library. (2) It is important to use pip3 to install, otherwise the library will be installed in the default library for python 2.

I forgot if I suggested you to first try to test a simple device such as MCP0321/MCP3008, and before that you need to make sure to do SPI loopback first. I forgot if you have already done SPI loopback using python. If yes, the reading any SPI device register should be easy. See my demo programs on MCP3021.

I also remember that the user guide you gave me is out of date, using 5V and 3V3 would not work, or vice versa I forgot. If you can show me the updated version of THM3060 user guide, with any demo library, then I can easily show you a simple read/write THM3060 device register demo program by a simple modification of my read/write MCP3021 demo program.