Product DescriptionUse CH340G repalce the CP2102.Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabledforArduino-like hardware IOAdvanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.Code like forarduino, but interactively in Lua script.Nodejs style network APIEvent-driven API for network applicaitons,which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.Greatly speed up your IOT application developing process.Lowest cost WI-FILess than $3 WI-FI MCU ESP8266 integrated and esay to prototyping development kit.We provide the best platform for IOT application development at the lowest cost.Package included:NodeMcu Lua CH340G ESP8266 Wireless WIFI Internet Development Board Module