NodeMcu is a tiny board, based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board. It is a lua based firmware for wifi-soc esp8266
Use CH340G repalce the CP2102.
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
Arduino-like hardware IO
Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
Code like arduino, but interactively in Lua script.
Nodejs style networks API
Event-driven API for networks applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.
Greatly speed up your IOT application developing process.