ITEM NAME:ESP8266 Replacement Panel Card Module Receiver Modules Description: Use CH340G repalce the CP2102. Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled,for  hardware IO Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware. Code for , but interactively in Lua script. Specification: Nodejs style network API Event-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-FI Less than $3 WI-FI MCU ESP8266 integrated and esay to prototyping development kit Material:Plastic Size:Approx.56x30x10mm Package Includes: 1x ESP8266 Internet Development Board SKU: DMO0011856851006951.Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled,for hardware IO. SKU: DMO0011856851006951. Nodejs style network API.