14-STM32 things development WIFI (ESP8266) + GPRS (Air202) ---- System Upgrade articles (STM32 remote upgrade program, based on the WIFI (AT command TCP passthrough Edition), MQTT communication with AT command, controls the APP

https://www.cnblogs.com/yangfengwu/p/10888037.html

 

Video Tutorial:

 

This section does not write content, in fact, and the same operation on a

 

 

 

 

 

https://www.cnblogs.com/yangfengwu/p/10891913.html