Once we connect to the network hosted by the ESP32, we can use a device such as a computer or a smartphone to access the portal in a web browser. It’s important to mention that the ESP32 will operate in AP mode for serving this portal, meaning that it will host its own WiFi network and we don’t need to have a previously successful connection to any Access Point.
The credentials we choose are saved, meaning that the next time we run our program, the ESP32 will use those credentials to try to connect to that network. This library offers a very simple way of hosting a portal in the ESP32 that, amongst other functionalities, shows the surrounding WiFi networks and allows to configure access to them. The tests shown below were performed on a ESP32-E FireBeetle board from DFRobot. In this tutorial we will learn how to setup a WiFi Manager portal on our ESP32, using the Arduino core and the WiFiManager library.
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