NodeMCU LUA ESP8266 12E/12F Wi-Fi Development Board

Open source, interactive, programmable, inexpensive, simple, smart, with Wi-Fi support
Advanced API for hardware I / O, which can significantly reduce redundant work for setting up and managing hardware.
The code is like for arduino, but interactive in Lua script.
Multifunction … network style API
Event-driven API for network applicaitons, which faciliates developers write code working on MCUs of 5 mm * mm 5 mm in Nodejs style.
Significantly speed up the process of developing IOT applications.
Low cost Wi-Fi