Thanks for you reply @chenyisong My module, when connected to an USB/Serial adapter shows the following data: 55h AAh 00h 00h 00h 00h FFh It seems the MCU protocol (0x55AA on header) Can I conclude that it has been flashed with a MCU firmware and is already authorized on Tuya´s Cloud ? My best regar...

@chenyisong, thanks for your reply.

I bought some WBR3 modules on AliExpress. Do they come pre-flashed and pre-authorized?

If these AliExpress units are not pre-authorized, How should I have to proceed ?

Thanks!

Dear community, I’m new to Tuya development and would like to integrate Tuya WBR3 modules with my own MCU using the MCU SDK. I have already created a project on the Tuya platform, configured the parameters, selected the WBR3 module and MCU SDK, and received my two free authorizations for that module...