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NodeMCU Baseboard / Breadboard Expansion Shield for NodeMCU V3 (Lolin) – Integrated DC Barrel Jack, High-Stability Power Regulator, and GPIO Expansion

Feature	Details
Compatibility	NodeMCU V3 (Lolin/Large Version)
Power Input	DC Barrel Jack (6V - 24V DC)
Voltage Regulation	Onboard 5V and 3.3V Regulators
Connectivity	Standard 2.54mm Header Pins
Mounting	4 x M3 Mounting Holes
Form Factor	Prototyping Expansion Shield

Price

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₹ 122.88

(Tax included)

बारकोड: 72551248

Product Description

The NodeMCU Baseboard Expansion Shield is a game-changing accessory for IoT developers using the NodeMCU V3 (Lolin/Wide) version. Prototyping on a standard breadboard can be frustrating due to the NodeMCU's wide footprint, which often covers all available tie-points. This shield solves that problem by breaking out every pin into organized header sets while providing a dedicated DC Barrel Jack for stable external power. At Robogears, we recommend this baseboard for permanent IoT installations in your Pimpri facility, as it provides a rigid platform that prevents loose jumper wires and handles the high current spikes common during WiFi transmission.

Detailed Key Features

Breadboard-Free Prototyping: Breaks out all NodeMCU pins into easy-to-access headers, allowing you to connect multiple sensors and actuators without cluttering a breadboard.
Versatile Power Input: The onboard DC barrel jack accepts a wide range of voltages (up to 24V), making it compatible with standard 12V power adapters often used in industrial or automotive IoT projects.
Onboard Voltage Regulation: Features high-quality voltage regulators to step down external power to a stable 5V and 3.3V, protecting your ESP8266 module from voltage fluctuations.
GPIO + Power Headers: Each GPIO pin is conveniently grouped with a VCC and GND pin, allowing for direct "plug-and-play" connection of servos and sensors using standard 3-pin jumper cables.
Robust Mechanical Design: Constructed on a high-quality FR4 PCB with four mounting holes, ensuring your IoT project remains secure in its enclosure.

All Technical Details

Lolin Compatibility: Specifically spaced for the "Lolin" or "V3" version of the NodeMCU ($30mm$ pin spacing). Note: Not compatible with the narrower V2/Amica versions.
Power Indicator: Includes an onboard LED to provide instant visual confirmation that the board is receiving power.
Current Handling: Designed to provide up to 1A of current, sufficient for driving small motors, relays, and long LED strips alongside the ESP8266.
Pin Silk-screening: Clearly labeled pin identifiers on the PCB to reduce wiring errors during fast-paced development.

Prototyping & Engineering Tips (Robogears Exclusive)

Verify Version Compatibility: Before mounting your NodeMCU at your Pimpri workshop, measure the distance between the two rows of pins. The Lolin V3 is wider (~30mm) than the V2 Amica (~23mm). This baseboard is designed exclusively for the wider Lolin profile.
Thermal Management: While the regulator can handle up to 24V, it will run much cooler and more efficiently if you use a 9V or 12V power adapter. Using 24V for high-current projects may cause the regulator to heat up.
Common Grounding: By using this shield, all your connected sensors automatically share a common ground with the NodeMCU, which is essential for accurate signal communication and preventing "floating" pin issues.
WiFi Stability: The ESP8266 can draw over 200mA during WiFi handshakes. Powering via the shield's DC jack is significantly more reliable than powering via the NodeMCU's Micro-USB port, which can sometimes "brown out" when connected to low-quality USB ports.

Package Includes

1 x NodeMCU Baseboard / Breadboard Expansion Shield for V3 Lolin

Image Disclaimer

Image shown is for illustrative purposes only; the actual product may vary slightly in PCB color (typically Black or Green) or capacitor layout due to manufacturing updates, though all technical specifications will remain as described.

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