The use of the ESP8266 in the world of IoT

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By oswe
#95384 Hello. Have u seen the esp-idf simple wifi getting started example? I think your problem comes together with arduino implementation. Here they also commented this:

If using arduino environment and wifi manager to manage connections then the fast connect can be handled automatically by using the feature_fastconnect version of the library. This retrieves the channel / mac address when first making a connection and then subsequently uses them. It also handles the changes needed if the channel or mac address of the router change.

Perhaps if u try to use only esp-idf and after make it work try to shift that knowledge to arduino core????