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NodeMCU V3 ESP8266-12E:
ESP8266 ESP-12E on board Development Kit based on ESP8266, integrates GPIO, PWM, IIC, 1-Wire and ADC all in one board.
Power your development in the fastest way possible by combining it with the scripting language Lua!
Advanced API for hardware IO, which can dramatically reduce the redundant work involved in configuring and manipulating hardware.
It has a 32-bit, 80MHz CPU, 64KB of RAM and 4Mbyte of flash memory on board. Compared with a standard Arduino (8-bit, 16MHz, 2.5KB RAM and 32KB flash)
USB-TTL plug n play interface
10 GPIO, every GPIO can be PWM, I2C or1-wire
Integrated PCB antenna
NodeMCU is OpenSource. There is a wealth of information available on its use on the Web, NodeMCU's Github page etc. etc.
This board is manufactured by Lolin. This is the latest version V3.
For use with an Expansion board its footprint / base width is 29 mm. appx.
Specifications:
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 C ~ + 125 C
- Availability: 2