Description
Product Description
The NodeMCU V3 (External Antenna Edition) is a high-performance IoT development platform designed for applications requiring extended wireless range and superior signal penetration. While standard NodeMCU boards rely on a small integrated PCB antenna, this specialized version features an onboard IPEX (U.FL) connector, allowing you to attach high-gain external antennas.
Built on the powerful ESP8266 SoC, this “V3” (Lolin-style) board utilizes the reliable CH340 USB-to-Serial bridge for seamless programming and debugging. The external antenna capability makes it the definitive choice for industrial IoT gateways, outdoor sensor nodes, and smart-home devices located inside metal enclosures or at the edge of Wi-Fi coverage. With 1MB of Flash memory and a full suite of I/O pins, it provides a “plug-and-play” experience for modern wireless networking.
Key Features
- Enhanced Wireless Range: Features an onboard IPEX (U.FL) connector for attaching external high-gain antennas, significantly boosting signal stability and distance.
- High-Stability CH340 Chipset: Provides reliable USB-to-Serial conversion with wide driver support across Windows, macOS, and Linux.
- Versatile Network Support: Fully supports 802.11 b/g/n protocols with a complete TCP/IP stack for Station, SoftAP, or mixed-mode operation.
- Robust I/O Interface: Offers 10 GPIOs, PWM, I2C, SPI, and a 10-bit Analog-to-Digital Converter (ADC) for extensive sensor integration.
- Multi-Platform Programming: Supports Lua scripting natively, but is most commonly used with the Arduino IDE, MicroPython, and ESP-IDF.
- Cost-Effective Scalability: A high-performance, low-cost solution ideal for large-scale business deployments and DIY prototypes alike.
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