A CH552 is added to the common NFC card design based on NT3H1101, which can be inserted into the USB port of the router and the router automatically configures it.
The code is available at https://github.com/libc0607/nfc-errrrror-v2 , which contains the code on the microcontroller and is modified from luci-app-guest-wifi. It is based on the configuration interface and init.d of the old version of OpenWrt LuCI.
The basic functions are probably finished, but there are still some details that have not been dealt with. In addition, I plan to generate random passwords. To be continued.
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