Use CH340G replace the CP2102.
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled

FOR Arduino like hardware IO
Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
Code like FOR arduino, but interactively in Lua script.

Nodejs style network API
Event-driven API for network applications, which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.
Greatly speed up your IOT application developing process.

Lowest cost WI-FI
Less than $3 WI-FI MCU ESP8266 integrated and easy to prototyping development kit.
We provide the best platform for IOT application development at the lowest cost.

Package included:
1PC x NodeMcu Lua V3 CH340G ESP8266 Wireless WIFI Internet Development Board Module