Happy Bison

List of ESP8266-based modules

There are several modules based on ESP8266 WiFi SoC. Each has its own field of use and functionality, although some look similar to others. The list mainly consists of ESP-xx variations of such modules which are widely available from online stores like eBay, Aliexpress, Tao, etc.

ESP-01

I believe this is one of the first versions of ESP8266-based module produced in large quantities. This is probably how it started.

It's simple and has limited number of GPIO pins, but it's still useful to get started. The 2.54mm-pitch 8-pin dual row header makes experimenting easier. Some ...