http://www.allaboutcircuits.com/projects/how-to-make-an-interactive-tcp-server-nodemcu-on-the-esp8266/
http://lb9mg.no/2015/05/30/first-steps-with-nodemcu/
http://www.esp8266.com/wiki/doku.php?id=nodemcu
https://github.com/kmpm/nodemcu-uploader