This isn’t an ESP8266 shield, either: you can write code for the ESP module, connect the serial pins, and hit the program button. The basic functions of the Arduino IDE – pinMode, digitalRead ...

While connecting to an access point, the access point sends the ESP8266 an “AKM suite count” field that contains the number of authentication methods that are available for the connection.

For example, many enthusiasts pair the ESP8266 with an Arduino, but you can also use ... any sensor that you think could do with a Wi-Fi connection will be great to pair with one of these.