NodeMCU V3 ESP8266 ESP-12E Wi-Fi Dev Board | CH340G
NodeMCU V3 ESP8266 ESP-12E Wi-Fi Dev Board | CH340G
NodeMCU V3 ESP8266 ESP-12E Wi-Fi Development Board with CH340G Chip
Take your IoT and embedded projects to the next level with the NodeMCU V3 ESP8266 ESP-12E Wi-Fi Development Board. Featuring the trusted CH340G USB-to-serial chip, a convenient Micro USB port, and pre-soldered pin headers, this compact board is ready to use straight out of the box — no soldering required. Whether you're a beginner exploring microcontrollers or an experienced developer building connected devices, this board delivers reliable Wi-Fi connectivity and a smooth development experience.
Made in Mainland China.
Why Choose This Development Board?
- Instant Plug-and-Play: Pre-soldered pin headers mean you can jump right into prototyping without any extra assembly.
- Stable CH340G Serial Chip: Provides rock-solid USB communication for programming, debugging, and firmware flashing — simply connect via a standard Micro USB cable.
- Powerful ESP8266 Core: Integrated Tensilica L106 ultra-low-power 32-bit MCU running at 80 MHz or 160 MHz, with RTOS support for multitasking applications.
- Built-in 10-Bit ADC: High-precision analog input for reading sensors and analog signals.
- Full Wi-Fi Stack: 802.11 b/g/n at 2.4 GHz with WPA/WPA2 security, integrated TCP/IP stack, and STA/AP/STA+AP operating modes.
- Ultra-Low Power Consumption: Deep sleep hold current just 10 μA; standby power less than 1.0 mW (DTIM3) — ideal for battery-powered projects.
- Wide Temperature Range: Operates reliably from -40°C to 125°C for demanding environments.
- Arduino IDE Compatible: Works seamlessly with the Arduino IDE, making it beginner-friendly with access to thousands of open-source libraries and examples.
Key Technical Specifications
- Wi-Fi Standard: IEEE 802.11 b/g/n
- Frequency: 2.4 GHz
- Security: WPA / WPA2
- MCU: Tensilica L106 32-bit (80 / 160 MHz)
- ADC: Built-in 10-bit high-precision
- USB-to-Serial Chip: CH340G
- Connection: Micro USB
- Interfaces: HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO
- OTA: Supports AT remote upgrade and cloud-based OTA
- Smart Config: Android & iOS compatible
- Deep Sleep Current: 10 μA (hold); <5 μA (shutdown)
- Wake-Up Time: Connect and transmit within 2 ms
- Operating Temperature: -40°C to 125°C
- Package Type: TQFP
- Condition: New
Getting Started with Arduino IDE
- Download and install the Arduino IDE.
- Open Preferences and add the ESP8266 board manager URL:
http://arduino.esp8266.com/stable/package_esp8266com_index.json - Go to Boards Manager, search for ESP8266, and install the package.
- Select NodeMCU 1.0 (ESP-12E Module) as your target board.
- Choose an example sketch, compile, and upload via Micro USB.
- Open the Serial Monitor to verify Wi-Fi connection status — your board's IP address will appear once connected.
What's in the Box?
- 1 × NodeMCU V3 ESP8266 ESP-12E Wi-Fi Development Board (with CH340G, Micro USB, pre-soldered headers)
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Frequently Asked Questions
Q: Does the NodeMCU V3 ESP8266 board work with the Arduino IDE?
A: Yes! The NodeMCU V3 ESP8266 ESP-12E development board is fully compatible with the Arduino IDE. Simply add the ESP8266 board manager URL in Arduino Preferences, install the ESP8266 package, select "NodeMCU 1.0 (ESP-12E Module)" as your board, and you're ready to upload sketches via the Micro USB cable.
Q: Why does this board use the CH340G chip instead of CP2102 or FTDI?
A: The CH340G USB-to-serial chip is widely regarded for its stable performance and broad driver support across Windows, macOS, and Linux. It offers highly convenient debugging, allows direct programming via a standard Micro USB cable, and is a cost-effective yet reliable choice for development boards.
Q: Do I need to solder the pin headers before using the board?
A: No — this NodeMCU V3 board comes with pre-soldered pin headers, so it's ready to plug into a breadboard or connect to jumper wires immediately. No soldering equipment or skills are required to get started.
Q: What Wi-Fi security modes does the ESP8266 ESP-12E support?
A: The ESP8266 module supports WPA and WPA2 security modes operating at 2.4 GHz (802.11 b/g/n). It also supports STA, AP, and STA+AP operating modes, as well as Smart Config for easy network provisioning from Android and iOS devices.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.