Hardware

This is an ESP8266 based board, in case you buy one of these here is some info I have found Goouuu-S1 ESP8266 WiFi module is...

As I mentioned in the post at http://www.esp8266learning.com/nodemcu-v2-lua-based-esp8266-development-kit.php  I liked the NodeMCU board but would have preferred if the headers had not been soldered rather than...