• Black NodeMCU ESP8266 Wi-Fi development board angled view showing micro-USB port.
  • Top view of the ESP8266 development board featuring the Wi-Fi shielding and CP2102 chip.
  • Bottom PCB view of the NodeMCU showing the open-source hardware logo and pinout labels.
  • Close-up of the micro-USB interface and reset buttons on the ESP8266 module.
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NodeMCU ESP8266 Wi-Fi Development Board (CP2102) | Smart IoT Module

NodeMCU ESP8266 Wi-Fi Development Board (CP2102) | Smart IoT Module

🔥 14 sold•✓ In stock
HK$55.00
HK$55.00
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Short Product Description

Ready to bring your IoT ideas to life? The NodeMCU ESP8266 Wi-Fi Development Board is the ultimate open-source platform for makers, students, and engineers. Featuring the highly stable CP2102 USB-to-UART chip, this board offers seamless, plug-and-play programming without the frustrating manual reset process. With all I/O pins fully broken out and built-in Wi-Fi capabilities, building your next smart home device or STEM project has never been easier or more reliable.

Key Features

  • Integrated Wi-Fi Connectivity: Built-in 802.11 b/g/n support allows your projects to connect to the internet instantly, perfect for smart home hubs and remote sensor monitoring.
  • Stable CP2102 USB-to-UART Chip: Guarantees flawless driver compatibility across Windows, macOS, and Linux, ensuring reliable data transfer without dropouts.
  • Auto-Reset Functionality: Features direct download capabilities. Flash your firmware seamlessly without needing to manually press the reset button.
  • Comprehensive I/O Access: All GPIO pins are broken out to standard 2.54mm pitch headers, making breadboard prototyping and sensor integration incredibly easy.
  • 100% Open-Source Ecosystem: Fully compatible with Arduino IDE, MicroPython, and NodeMCU Lua, giving you the freedom to code in your preferred language.

Full Product Description

Transform Your Ideas into Connected Realities

Entering the world of the Internet of Things (IoT) shouldn't require a master's degree in hardware engineering. Whether you are automating your home lighting, building a wireless weather station, or designing a complex sensory network, the NodeMCU ESP8266 provides a robust, beginner-friendly foundation. Backed by a massive open-source community, you have access to limitless libraries and pre-written codes to accelerate your development.

 

Why Choose the CP2102 Version?

Not all development boards are created equal. This specific model integrates the premium Silicon Labs CP2102 chip. Unlike the cheaper CH340 alternatives that often suffer from driver compatibility issues, the CP2102 ensures a stable, high-speed connection to your PC or Mac. You spend less time troubleshooting USB drivers and more time writing brilliant code.

 

Seamless "Direct Download" Workflow

Forget the days of holding down physical buttons to flash your firmware. This board features an auto-reset circuit, allowing for direct code downloads. Simply hit "Upload" in your Arduino IDE or Lua environment, and the board handles the rest. This streamlined workflow is essential for rapid prototyping and iterative testing.

Technical Specifications

  • Microcontroller: ESP8266 (ESP-12 module).
  • USB-to-Serial Chip: Silicon Labs CP2102.
  • Operating Voltage: 3.3V, 5V via Micro-USB.
  • Wi-Fi Standard: 802.11 b/g/n (2.4GHz).
  • I/O Pins: 10 GPIO, 1 analog input (ADC), PWM, I2C, SPI.
  • Dimensions: 4.9cm x 2.1cm x 1.5cm.
  • Interface: Micro-USB.
  • Documentation: Fully open-source.

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

FAQ Section

Q: Do I need to press the flash/reset button to upload code?
A: No. This board features an auto-reset circuit. When you upload code via the Arduino IDE or other software, the board will automatically switch to flashing mode and reset itself upon completion.

Q: What is the difference between this CP2102 board and the CH340 version?
A: The CP2102 is a higher-quality USB-to-serial chip. It is generally more stable, supports higher baud rates, and works natively with most modern operating systems without requiring you to manually hunt down and install obscure drivers.

Q: Can I program this board using the Arduino IDE?
A: Absolutely. While it originally shipped with NodeMCU Lua firmware, it is fully compatible with the Arduino IDE. You just need to add the ESP8266 board manager URL to your Arduino software preferences.

Target Users / Applications

  • STEM Students: Ideal for university and secondary school robotics, coding, and electronics projects.
  • Makers & DIYers: Perfect for custom smart home automation (Home Assistant integrations), IoT environmental monitors, and custom Wi-Fi relays.
  • IoT Engineers: Excellent for rapid prototyping of wireless sensor networks before moving to custom PCB production.
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