Description:

Uses CH340G instead of CP2102.
NodeMCU has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms.
Communication interface voltage: 3.3V.
Antenna type: Built-in PCB antenna is available.

Wireless 802.11 b/g/n standard

WiFi at 2.4GHz, support WPA / WPA2 security mode

Support STA/AP/STA + AP three operating modes

Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)

D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capability 15mA

AD0: 1 channel ADC

Power input: 4.5V ~ 9V (10VMAX), USB-powered

Current: continuous transmission: ≈70mA (200mA MAX), Standby: <200uA

Transfer rate: 110-460800bps

Support UART / GPIO data communication interface

Remote firmware upgrade (OTA)

Support Smart Link Smart Networking

Working temperature: -40 ℃ ~ + 125 ℃

Drive Type: Dual high-power H-bridge driver

ESP8266 has IO Pin

Don't need to download resetting

A great set of tools to develop ESP8266

Flash size: 4MByte

Package included:

1x NodeMcu Lua WiFi Internet of Things Development Board