NodeMCU V2 ESP8266 WiFi Development Board – Lua Programmable, CP2102 USB Interface, Micro-USB Powered

SKU: FA2061
Microcontroller

ESP8266 (ESP-12E Module)
USB Interface

Silicon Labs CP2102
Operating Voltage

3.3V (Onboard Regulator)
Input Voltage

5V (via Micro-USB) or 4V-9V (via Vin pin)
Flash Memory

4 MB (32 Mbits)
Clock Speed

80MHz (Default) / 160MHz
Wi-Fi Modes

Station / SoftAP / SoftAP + Station
I/O Logic Level

3.3V (Not 5V Tolerant)
Dimensions

48mm x 25mm
Product Description
The NodeMCU V2 (Amica) is a world-class, open-source IoT development platform based on the powerful ESP8266 Wi-Fi SoC. This “V2” version is the refined, narrower iteration of the original NodeMCU, specifically designed to fit perfectly on a standard breadboard while leaving rows of pins accessible for prototyping.
Featuring the industry-preferred CP2102 USB-to-UART bridge, this board offers superior driver stability and higher data transfer speeds compared to budget alternatives. The NodeMCU V2 integrates a built-in antenna, power management, and a robust 3.3V regulator, allowing it to be powered and programmed directly via a single Micro-USB cable. Whether you are building a simple smart-home sensor or a complex industrial data gateway, the NodeMCU V2 provides a “plug-and-play” experience for modern wireless networking.
Key Features
  • Integrated Wi-Fi Connectivity: Supports 802.11 b/g/n protocols with full TCP/IP stack support and integrated PCB antenna.
  • Breadboard Friendly: The slim “V2” form factor (Amica style) ensures the board occupies only the center of the breadboard, keeping the outer pin rows free for wiring.
  • Premium CP2102 Chipset: High-speed USB-to-Serial conversion with official driver support across Windows, macOS, and Linux—highly recommended for professional development.
  • Multi-Platform Programming: Supports Lua scripting natively, but is fully compatible with the Arduino IDE, MicroPython, and ESP-IDF.
  • Comprehensive I/O: Features 10 GPIOs, PWM, I2C, SPI, and a 10-bit ADC (Analog Input), providing ample connectivity for sensors and actuators.
  • Low Power Consumption: Optimized for battery-powered IoT applications with built-in deep-sleep modes.
Usage & Applications
  • Smart Home Automation: Create Wi-Fi-controlled light switches, thermostats, and security cameras.
  • Industrial IoT (IIoT): Deploy remote sensor nodes for monitoring temperature, humidity, or machine status in real-time.
  • Wireless Data Logging: Automatically upload sensor data to cloud platforms like ThingSpeak, AWS, or Google Cloud.
  • Web Servers: Host small, localized web pages to control hardware directly from a smartphone browser.
  • STEM Education: The primary board used in universities for teaching wireless networking and embedded C++ programming.
Q: Do I need a special programmer to upload code to this board?

No. The NodeMCU V2 has a built-in USB interface. You simply plug it into your computer using a standard Micro-USB cable, and it will appear as a COM port for programming

Q: Can I use this board with the Arduino IDE?

Yes! While it was originally designed for Lua, it is most commonly used with the Arduino IDE. You simply need to add the ESP8266 board manager URL in your settings.

Q: What is the benefit of the CP2102 chip over the CH340?

The CP2102 is generally considered more stable, especially on macOS and newer versions of Windows. It also supports higher baud rates and has a smaller footprint, allowing the V2 board to be narrower and more breadboard-friendly

Q: Is it safe to power the board with 5V?

You can provide 5V through the Micro-USB port or the Vin pin. However, the GPIO pins are strictly 3.3V logic. Connecting a 5V sensor signal directly to a GPIO pin may damage the chip

Q: How many analog sensors can I connect?

The ESP8266 has one Analog-to-Digital Converter (ADC) pin, labeled A0. It accepts a maximum of 3.3V (on the NodeMCU board) and converts it to a value between 0 and 1023

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