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 ...

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.

The ESP8266 is the reigning WiFi wonderchip ... spoken up and presented ESPs directly connected to the 5V pin of an Arduino that still work after months of service. If this is evidence of ...