HomeSpecialWorld's Smallest High-Current Driver Module

World’s Smallest High-Current Driver Module

The module, measuring 0.8 by 1 cm, controls high-current loads like motors and LED strips, and integrates easily with Arduino, making it ideal for enthusiasts and makers.

DriveCell

Microbots have launched DriveCell, a compact h-bridge module, measuring 0.8 by 1 centimeter, designed for controlling high current loads such as brushed motors, LED strips, or other Microbots devices including CoilPad and FlatFlap. It can be operated through an Arduino using a library supplied by Microbots.

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The DriveCell is a compact h-bridge module featuring the DRV8837 chip, designed to control the direction of output current through its two input pins, typically driven in opposite polarities. This functionality enables the magnetic north or south driving of the CoilPad/FlatFlap or the clockwise or anticlockwise rotation of a motor. The DRV8837 chip is equipped with Overcurrent Protection, Undervoltage Lockout, and Thermal Shutdown, requiring caution to avoid reversing its supply rails.

The device is designed for easy soldering, enabling the attachment of wires, headers, and additional circuits on top. It can also drive multiple motors, as long as the total current does not exceed 1.8A.

Some of the key specifications of the DriveCell include:

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  • Dimensions: 10x8mm
  • Thickness: 1.8mm
  • Weight: 0.16 grams
  • Screws: M1.2
  • Connector Pitch: 2.54mm
  • Input Maximum Voltage: 5V
  • Output Maximum Current: 1.8Amps

The electronics kit is ROHS Compliant and adheres to the IPC-A-600 II standard. Each box includes the DriveCell and two M1.2 screws, with connectors not provided. The DriveCell is intended for DIY maker use, and commercial inquiries should be directed to the manufacturer.

For more information, click here.

Nidhi Agarwal
Nidhi Agarwal
Nidhi Agarwal is a Senior Technology Journalist at Electronics For You, specialising in embedded systems, development boards, and IoT cloud solutions. With a Master’s degree in Signal Processing, she combines strong technical knowledge with hands-on industry experience to deliver clear, insightful, and application-focused content. Nidhi began her career in engineering roles, working as a Product Engineer at Makerdemy, where she gained practical exposure to IoT systems, development platforms, and real-world implementation challenges. She has also worked as an IoT intern and robotics developer, building a solid foundation in hardware-software integration and emerging technologies. Before transitioning fully into technology journalism, she spent several years in academia as an Assistant Professor and Lecturer, teaching electronics and related subjects. This background reflects in her writing, which is structured, easy to understand, and highly educational for both students and professionals. At Electronics For You, Nidhi covers a wide range of topics including embedded development, cloud-connected devices, and next-generation electronics platforms. Her work focuses on simplifying complex technologies while maintaining technical accuracy, helping engineers, developers, and learners stay updated in a rapidly evolving ecosystem.

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