ESP8266 NodeMCU V2 Development Board with CP2102

Model : WIR-00074

Supplier : Made in China

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The Development Kit based on ESP8266, integrates GPIO, PWM, IIC, 1-Wire and ADC all in one board. Power your development in the fastest way combine with NodeMCU Firmware! R2 version had CP2102 USB-TTL instead, larger current support, slim board can put on breadboard.

Note: NO need to install driver for CH341 (replaced by CP2102), and NO need to flash firmware when you get it and use on first time. This is different with version R1.

To flash R2, please see the update on Nodemcu wiki page.

High quality USB cable is needed for this board to give high current supply, otherwise your board won’t be recognized.
The hardware documentation for the board can be found on nodemcu-devkit repo, including schematics and PCB layout designed with Altium Designer.

Package list

  • NodeMcu Lua WIFI Board Based on ESP8266 CP2102 Module x 1


You can find the firmware source code and documentation on Github, as well as nodemcu-flasher, a Windows only tools to flash the firmware to a module. There’s also a separate tool called esptool that will let you flash nodemcu from Linux. In case you find the documentation is all over the place, you might want to checkout NodeMCU video tutorial from the product's official website.
 is the official website for the project, but you’ll find more information on Github. You can also get answers to your questions on their BBS or ESP8622 community forums.

Wiki & External links

Bangla Tutorial: NodeMCU Internet Clock

  • Wi-Fi Module – ESP-12E module similar to ESP-12 module but with 6 extra GPIOs.
  • USB – micro USB port for power, programming and debugging
  • Headers – 2x 2.54mm 15-pin header with access to GPIOs, SPI, UART, ADC, and power pins
  • Misc – Reset and Flash buttons
  • Power – 5V via micro USB port
  • Dimensions – 49 x 24.5 x 13mm
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Sajibkarmaker | Jan 27,2018 at 11:24 PM
is that version 2 or version 3....!!
A.R | Jan 28,2018 at 09:38 AM
Tajuddin | Jan 28,2018 at 03:06 PM
Do you provide any data cable along with this package?
A.R | Jan 28,2018 at 03:17 PM
Tajuddin | Jan 28,2018 at 03:20 PM
Simple micro USB data cable can be used to debugging .. right?
A.R | Jan 28,2018 at 03:23 PM
Suntop | May 26,2018 at 01:23 AM
Hello A.R
Can you confirm this ESP8266 Dev board will work with Arduino IDE (+ Blynk ) out of the box ? I have had hard time with ESP8266-01 to get work with Arduino IDE, worked in LUA and AT command mode but no luck with Arduino IDE ( Blynk IoT examples ).

I mean, without any firmware update/change ?

Please check and confirm. If it is confirmed I will buy this.
Production | May 26,2018 at 09:45 AM
It works properly with Arduino IDE without any firmware update. but we did not interface with Blynk IoT examples.
Kafi7223 | Oct 8,2018 at 08:42 PM
প্রিয় এডমিন আমি এই প্রডাক্ট টি কিনেছি আপনাদের অনলাইন শপ থেকে কিন্তু এটা প্রগাম করার জন্য আর কি কি লাগে সেটা আমি জানি না দয়া করে জানাবেন আমি কিভাবে এটা প্রগ্রাম করতে পারবো
A.R | Oct 10,2018 at 09:40 AM
কাইন্ডলি 'ডকুমেন্টস' ট্যাবে দেওয়া টিউটোরিয়ালের লিংকে ক্লিক করুন।
T.o.p.u | Nov 20,2018 at 06:30 PM
এটা কোন আসবে ? দয়া করে তাড়াতাড়ি আনতে পারবেন ? আমার এটা খব প্রয়াজন ।
A.R | Nov 22,2018 at 09:41 AM
আরও অন্তঃত ১০-১২ দিন।
Piasmajumdar | Jan 14,2019 at 12:43 AM
Eta ki wifi jammer hisebe use kora jabe??
A.R | Jan 14,2019 at 09:28 AM
যাবে । কিন্তু তার জন্য প্রয়োজনীয় কোডিং আপনাকেই করে নিতে হবে।
Piasmajumdar | Jan 14,2019 at 12:43 AM
Eta ki v3 naki V2??
A.R | Jan 14,2019 at 09:26 AM
Mindhunter88 | Oct 21,2019 at 12:38 AM
konta better V2 with CH340G or V3 with CP2102?
A.R | Oct 21,2019 at 09:50 AM
Equally good. We received no complain about any of these two products.
Ghost01 | Feb 6,2021 at 05:23 PM
before i buy it ami jante chai eeta ki CP2102 asse and v2 eeta ?
Production | Feb 8,2021 at 10:06 AM
Yes, It has CP2102 and V2

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