• Angled view of the assembled Raspberry Pi robot motor hat.
  • Top view of the Raspberry Pi motor driver expansion board highlighting GPIO pins and power switches.
  • Bottom view of the Raspberry Pi motor hat showing IIC addresses and printed circuit traces.
  • Diagram showing I/O interfaces, servo ports, and stepper motor connections on the Pi expansion board.
  • Raspberry Pi connected to the motor driver board powering four DC motors, a stepper motor, and multiple servos.
  • Dimensions of the Raspberry Pi motor expansion board showing 65mm by 57mm size.
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Raspberry Pi Motor Driver Board | 4-Way DC, 8-Way Servo GPIO Expansion

Raspberry Pi Motor Driver Board | 4-Way DC, 8-Way Servo GPIO Expansion

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HK$159.00
HK$159.00
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Short Product Description

Stop wrestling with messy wiring and unstable power limits on your robotics projects. This multifunctional Raspberry Pi Motor Driver Board is the ultimate command center for your next smart car, robotic arm, or STEM DIY build. Operating via a simple I2C interface, it simultaneously drives up to 4 DC motors, 8 servos, or 2 stepper motors while keeping your Pi’s camera and display ports fully accessible.

Key Features

  • 8-Way Servo Control: Features standard 3Pin (GVS) interfaces with an independent external power switch, preventing voltage drops when running multiple robotic joints.
  • High-Current DC Motor Drive: Supports four 6-24V DC motors (via PH2.0 or 3.5mm terminal blocks) pushing up to 3A per channel for high-torque applications.
  • I2C Communication Protocol: Uses minimal pins for communication, leaving the rest of your GPIO, camera (CSI), and display (DSI) ribbons completely unobstructed.
  • Integrated IR & Buzzer: Start coding remote-controlled movements and audio feedback immediately with built-in hardware.
  • Universal Pi Compatibility: Mounts seamlessly onto the Raspberry Pi 4B, 3B+, and Zero series, making it highly versatile for different project footprints.

Full Product Description

Build Complex Robots Without the Cable Clutter

When building advanced Raspberry Pi projects, running out of GPIO pins or underpowering your motors is a guaranteed recipe for frustration. This Multifunctional Motor Driver Expansion Board solves the core bottleneck of DIY robotics. By communicating over a single I2C interface (compatible with both 3.3V and 5V), it frees up your Pi’s critical I/O ports for sensors, cameras, and displays, letting you build smarter, more complex systems.

 

Heavy-Duty Power Management

Powering multiple motors directly from a Raspberry Pi can cause brownouts and crashes. This hat features dedicated terminal blocks and a 6~25V external power interface. With a single-circuit output handling up to 3A, it effortlessly drives high-torque DC motors and heavy-duty servos without risking your Pi's delicate circuitry. A dedicated servo power switch gives you total control over power distribution.

 

Stackable, Scalable, and Ready to Code

Whether you are programming a basic two-wheel smart car or a highly articulated hexapod robot, this board scales with your ambition.

  • Fully Stackable: Need more control? Stack multiple boards to expand your motor interfaces exponentially.
  • Built-in Interactivity: Onboard infrared (IR) receivers and a buzzer allow you to immediately test code and add remote control functionality without buying extra modules.
  • Plug-and-Play Compatibility: Perfectly fits the Raspberry Pi Zero, Zero W, A+, B+, 2B, 3B, 3B+, and the powerful 4B.

Technical Specifications

  • Dimensions: 65 mm × 57 mm (with 3 mm diameter mounting holes)
  • Weight: 35 g
  • Input voltage: 6 V ~ 25 V DC (via DC power jack or terminal block)
  • Maximum current per channel: 3 A
  • Supported boards: Raspberry Pi Zero / Zero W / A+ / B+ / 2B / 3B / 3B+ / 4B
  • Communication interfaces: I2C, SPI, UART
  • Motor interfaces:4 × DC motors2 × stepper motors8 × servosEncoder support
  • Built‑in modules: buzzer, infrared (IR) receiver

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: Can this board power my Raspberry Pi as well as the motors?
Yes. You can supply 6-25V through the external power interface to drive the motors, and the board will safely regulate power to your Raspberry Pi, eliminating the need for two separate power supplies.

Q: Will this hat block the ribbon cables for the official Pi Camera or Display?
No. The board's footprint (65x57mm) and pin layout are specifically designed to leave the CSI (camera) and DSI (display) interfaces completely free and accessible.

Q: Can I run stepper motors and servos at the same time?
Absolutely. You can simultaneously drive 2 four-wire stepper motors and up to 8 servos, making it perfect for complex CNC prototypes or robotic arms on mobile bases.

Target Users / Applications

  • STEM Educators & Students: Ideal for classroom robotics kits, coding bootcamps, and university engineering projects.
  • DIY Hobbyists & Makers: Perfect for building custom smart cars, automated gimbals, and hexapod robots.
  • Prototyping Engineers: A reliable, rapid-deployment board for testing automated mechanisms and IOT robotics.
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