Running an ESP8266 ESP-12E module in minimum configuration (As obtained from Banggood)
Channel: AReResearch
Date: 10/12/2015

This video briefly describes the connectioins it takes to run and flash a ESP-12E modules as obtained from Banggood ( http://www.banggood.com/3Pcs-ESP8266-ESP-12E-Remote-Serial-Port-WIFI-Transceiver-Wireless-Module-p-982887.html?p=NT1005763073201409DA ) 
It helps to master some of the oddities this module has.
Also see my blog article here:
http://www.areresearch.net/2015/12/espressif-esp-8266-minimal.html