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 ...

This allows the clock to connect to an NTP server and get the ... [WhisleyTangoHotel] wraps up his blog post by providing his ESP8266 Arduino source code, which offers an interesting example ...

With that said, the same goes for a Raspberry Pi. For example, many enthusiasts pair the ESP8266 with an Arduino, but you can also use it without one. You can program it directly and run your own ...