This NodeMCU development board contains a full ESP8266 WiFi module with all the GPIO broken out, a full USB-serial interface, and a power supply all on the one breadboard-friendly package. The NodeMCU is an open-source project and you can find all the design files and so on from their github page.  

This board is pre-flashed with NodeMCU - a Lua-based firmware for the ESP8266 which allows easy control via a neat scripting language - Lua - so you're ready to go in just a few minutes. However it would be a good idea to flash it with the latest version avaiable, as the firmware may update during the time we hold the stock. 

Useful links:

• ESPlorer - multi-platform IDE (Integrated Development Envinroment) for LUA for NodeMCU and MicroPython
• NodeMCU home page
• NodeMCU github page
• Lua home page

Installing the USB drivers:

This board uses a Silicon Labs CP2102 USB to serial converter IC. You can download USB drivers from here. 

 Re-flashing the NodeMCU firmware:

First install your USB driver (above). Then download a copy of the latest firmware file from here. If you have a Windows-based computer then use the flash tool from here. Otherwise if you have a Mac or other system or like the command line then use the ESPtool with python. 

Package includes:

• Node MCU development board