Uses CH340G instead of CP2102.

1. Wireless 802.11 b/g/n standard
2. WiFi at 2.4GHz, support WPA / WPA2 security mode
3. Support STA/AP/STA + AP three operating modes
4. Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)
5. Support UART / GPIO data communication interface
6. Remote firmware upgrade (OTA)
7. Support Smart Link Smart Networking
8. ESP8266 has IO Pin
9. Don’t need to download resetting
10. A great set of tools to develop ESP8266
11. Lowest cost WI-FI
12. FOR Arduino like hardware IO
13. Greatly speed up your IOT application developing process
14. Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
15. WI-FI MCU ESP8266 integrated and easy to prototyping development kit.
16. We provide the best platform for IoT application development at the lowest cost.
17. NodeMCU has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms.
18. Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
19. Event-driven API for network applications, which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.