For example uses wifismartconfig, i only input Author token, and Nodemcu auto connected to my home wifi. I dont know which data blynk used to connect ( maybe it take ssid and pass from my phone?)
Yes, if you’re taking about https://github.com/blynkkk/blynk-library/blob/master/examples/Boards_WiFi/ESP8266_Standalone_SmartConfig/ESP8266_Standalone_SmartConfig.ino
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