On one end of the board you’ll find the common pinout for a USB-to-serial ... I’ve seen a ton of really simple Arduino projects that use the ESP8266 externally. Last month’s porting of ...

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 ...

WiFi is very similar to the ESP8266 version ... assign the SPI functions to any pins, but the Arduino implementation is preset to a default pinout, so you just need to look it up, and hook ...