NodeMcu v2 Lua ESP-12E WIFI Development Board

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NodeMcu v2 Lua ESP-12E WIFI Development Board

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The NodeMcu is an open source card with an integrated WIFI ESP-12E module. It is not a weak like the Arduino, with 512 KB of memory and a processor at 40Mhz there is no shortage of sources. This sign is extremely suitable for starting IoT (Internet of Things) applications. The programming of NodeMcu is slightly different from normal, with the API which resembles NodeJS, this module receives commands via the LUA scripts being downloaded.

This concerns version 2 of the NodeMCU series, thinner than the previous version and therefore better suited to a breadboard. Now there is a row on both sides of the board when you place it in the middle of a bread board. This saves a lot by connecting I / O.

Integrated 2102 series chip drivers can be found here

802.11 b / g / n wireless standard
STA / AP / STA + AP support
Standard on 9600 baud

Integrated TCP / IP protocol stack to support multiple TCP client connections (5 MAX)
D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capacity 15mA
AD0: 1 ADC channel
Power input: 4.5 V ~ 9 V (10 VMAX), powered by USB
Current: continuous transmission: ≈70mA (200mA MAX), standby: <200uA
Transfer rate: 110-460800bps
Support for UART / GPIO data communication interface
Remote firmware upgrade (OTA)
Support for Smart Link Smart Grid


Brand information
Brand Opencircuit house brand
Size info
Length25 mm
Width48 mm
Height5 mm
Weight10 g
€ 6,95€ 5,75 Excl. VAT (NL)
Ordered before 23:59, shipped today. ... pieces in stock
Show volume discounts Shipped from € 3,50 (NL) 30 days cooling-off Excellent service
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The Netherlands
Works well! Works well Powerful Good price / quality
Used for OTGW (reading the central heating boiler)
Placed on 
The Netherlands
Good price / quality Combo OLED in ESP32 Difficult first start
Doesn't always start up.
Placed on 
The Netherlands
Works well
Nice little thing for IoT purposes. How much flash memory is on this board?
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The Netherlands
Works well
Happy with it, good
Placed on 
Works well
This was what I needed so fine
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