From 2015/10/1, NodeMCU has been upgraded to a new chip CH340.
CH340 chip-driven official description:
WINDOWS driver USB to serial CH341 / CH340 installation package
Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA / Server 2008 / Win7 / Win8 / Win8.1 32 Bit / 64 and MAC
Through Microsoft's digital signature authentication
In the computer end of the USB device emulation as a standard serial devices Serial COM
It contains the serial number and identification CH34X monitoring CH34X equipment swap library.
Wireless 802.11 b / g / n standard
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
We don't offer any supports ,sorry for the inconvenience.
3 x NodeMcu Lua ESP-12E WIFI Development Board