ESP8266 CH340 V3/ESP8266 CP2102       2.Interactive       3.Programmable       4.Low cost       5.Simple       6.Smart       WI-FI enabled       Ard--uino-like hardware IO       Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.       Code like ard--uino, but interactively in Lua script.       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.       Introduction:  ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters,  and power management module. The entire solution takes up the least amount of printed circuit board area.  This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,  power and RF properties best, which is safe, reliable, and scalable to a variety of applications.    Features:  High performance-price ratio  Small volume, easily embeded to other products  Strong function with support LWIP protocol, Freertos  Supporting three modes: AP, STA, and AP+STA  Supporting Lua program, easily to develop                  ESP8266 CH9102X       1.Open-source       2.Interactive       3.Programmable       4.Low cost       5.Simple       6.Smart       WI-FI enabled       Ard--uino-like hardware IO       Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.       Code like ard--uino, but interactively in Lua script.       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