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ESPRESSIF SYSTEMS
NodeMCU Expansion Board
★★★★★
0.0/5 (0 reviews)₹169
₹236
28% off
The NodeMCU Expansion Board is a professional-grade interface designed specifically for the V3 LoLin NodeMCU (ESP8266). It is a mechanical necessity for smart home sensors, Wi-Fi data loggers, and web-controlled actuators, as it provides a dedicated power subsystem and organized I/O. By breaking out every pin into a GND-VCC-Signal (GVS) format, it eliminates the need for messy breadboard wiring and provides a stable DC barrel jack for long-term deployments.
✓ In Stock (12 available)
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▪Advanced Power Management: This board is a mechanical necessity because it features a high-current voltage regulator, solving the common issue of the ESP8266 crashing when powered via a low-current USB port during Wi-Fi activity.
▪GVS Prototyping Logic: Features a "Plug-and-Play" sensor interface where every GPIO pin is flanked by its own VCC and GND, making it a mechanical necessity for building multi-sensor IoT hubs without a single breadboard wire.
▪Industrial DC Input Range: Supports up to 24V DC input, allowing you to power your NodeMCU from industrial 12V or 24V power supplies commonly found in automation and control cabinets.
▪Vibration-Resistant Design: Unlike loose breadboard connections, the tight-fitting female headers of this shield ensure your NodeMCU stays secure, making it ideal for mobile robotics and outdoor enclosures.
▪Integrated Logic Level Stability: The onboard circuitry helps filter electrical noise, ensuring your I2C displays and SPI sensors receive a clean signal for jitter-free data transmission.
Compatibility
Exclusively for NodeMCU V3 (LoLin) boards.
Input Voltage
6V to 24V DC via Barrel Jack.
Output Power
Dual 3.3V and 5V regulated rails.
Header Format
G-V-S (Ground, Voltage, Signal) for all GPIOs.
Connectivity
Dedicated headers for I2C, SPI, and UART.
Onboard Features
Power indicator LED and 4x mounting holes.
