The ESP8266 NodeMCU V3 WiFi Module (CH340) is a feature-rich development board based on the ESP8266 WiFi SoC, making it perfect for building Internet of Things (IoT) applications. With built-in WiFi, GPIO pins, ADC support, and easy USB connectivity via the CH340 USB-to-Serial driver, this board enables seamless connection to the internet for remote control and data logging.
This NodeMCU V3 version comes with more stable voltage regulation and a wider board layout, which improves breadboard compatibility and power handling. You can easily program it using the Arduino IDE or NodeMCU Lua firmware, making it a top choice for automation, wireless sensor networks, smart devices, and more.
⭐ Key Features:
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📡 Built-in 2.4GHz WiFi (802.11 b/g/n) with integrated antenna
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⚙️ Based on ESP8266-12E module
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🔌 CH340 USB-to-serial driver for easy programming
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🧠 Supports Arduino IDE & Lua scripting
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⚡ Operates at 3.3V logic, with onboard voltage regulator
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📶 TCP/IP protocol stack integrated
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🧰 Breadboard-friendly wide design (V3 layout)
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🔗 Ideal for IoT, home automation, and wireless projects
⚙️ Technical Specifications:
| Parameter | Specification |
|---|---|
| Microcontroller | ESP8266EX |
| WiFi Standard | IEEE 802.11 b/g/n |
| USB Driver | CH340G |
| Operating Voltage | 3.3V (input via 5V USB) |
| I/O Pins | 11 GPIO, PWM, I2C, SPI, UART supported |
| Analog Input | 1 (10-bit ADC) |
| Flash Memory | 4 MB |
| Clock Speed | 80/160 MHz |
| Programming Interface | Micro USB (CH340) |
| Dimensions | Approx. 58mm x 31mm |
| Compatibility | Arduino IDE, Lua, MicroPython |
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