ESP8266 module comparison: ESP-01, ESP-05, ESP-12, ESP-201, Test Board and NodeMCU

In this post I will guide you through the jungle of available modules based on the ESP8266. This is not a complete list of available modules but a selection of the ones I could test and review. If you think that I have been missing out on one important module please let me know.Every module here as some advantages and disadvantages, depending on the targeted application. If you are planning to to use a module as Wifi shield for an Arduino you might pi.....