Between these models #ESP8266 which one do you prefer ?
\- model 1 : needs two breadboard to prototype !
http://fr.aliexpress.com/item/Certificate-of-Compliance-esp8266-serial-WIFI-coexistence-module-AP-STA-AP-STA-WIFI-wireless-transceiver-module/32265303966.html
\- model 2 : DIY version
http://www.instructables.com/id/Make-ESP8266-REV-12-prototype-friendly/?lang=es
\- model 3 : lua version
http://fr.aliexpress.com/item/New-Wireless-module-NodeMcu-Lua-WIFI-Internet-of-Things-development-board-based-ESP8266-with-pcb-Antenna/32266249427.html
\- model 4 : another prototype version
http://www.banggood.com/WIFI-ESP8266-ESP-12-Serial-Module-Full-IO-Port-Leads-p-972891.html
-model 5 : adafruit HUZZAH
http://www.adafruit.com/products/2471
best regards