Inventor HAT Mini

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Introducing the Inventor HAT Mini, a versatile motor, servo, and audio driver add-on board designed for Raspberry Pi enthusiasts. With this compact HAT, you can bring your mechanical inventions, creations, and contraptions to life!

Transform your Raspberry Pi into a robot, prop, kinetic sculpture, creepy automaton, or any other exciting moving creation. The Inventor HAT Mini makes it easy to drive motors with encoders, connect up to four servos, and add a speaker for sound effects.

Expandability is a key feature, with a pass-through header for stacking with other boards and four additional ADC-capable GPIO pins. These pins allow you to attach analog or digital sensors, buttons, LEDs, or other accessories. The HAT also includes 8 addressable RGB LEDs (Neopixels) for visual indicators.

To ensure a quick and hassle-free start, the Inventor HAT Mini comes with pre-soldered pin headers, a Qw/ST connector for breakout compatibility, and a fully featured Python library with helpful examples. Power users will appreciate the unpopulated external power input, enabling the use of higher voltage motors and servos (up to 10V).

Key Features:

  • Nuvoton microcontroller (MS51TC0AE) with built-in 16-bit PWM and 12-bit Analog to Digital Converter.
  • Header pins for connecting 3-pin hobby servos and GPIO (ADC capable).
  • Dual H-Bridge motor driver (DRV8833) with JST-SH connectors for motors with encoders.
  • MAX98357 3.2W I2S mono amplifier and 2-pin connector for attaching a speaker.
  • 8 addressable RGB LEDs/Neopixels for visual indicators.
  • User button for interaction.
  • Qw/ST connector for attaching breakouts.
  • Pass-through 40-pin header for stacking with other HATs.
  • Fully assembled - no soldering required.
  • Python library for easy programming.


  • Compatible with all Raspberry Pi computers with a 40-pin header.
  • Especially neat fit on Raspberry Pi Zero boards.


  • Measurements: 65mm x 30.5mm x 15.5mm (L x W x H, approx).
  • Extra broken-out headers for advanced users (unpopulated, soldering required).
  • Multiple power options for flexibility, including external power via a screw terminal block.
  • Direction indicators and motor features can be customized through back trace cutting.

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How do you Ship your Raspberry Pis?

We ship via Australia Post eParcel from our Sydney warehouse.

Australia Post picks up from us daily.

Asll shipping methods we use have tracking.

Do you ship from Sydney, Australia?

All our products ship from our warehouse in Sydney, Australia.

What payment methods do you accept?

We accept all major credit cards, Apple Pay, Google Pay and PayPal.

We also accept purchase orders from educational and government institutions on 30-day terms.

You're automatically approved if you're a school, university, or state or federal government department or agency.

What is your return, exchange and warranty policy?


We accept returns for faulty products, but will first work with you to help get your Raspberry Pi working again.

99% of the time there it is not the Raspberry Pi that is faulty.

If you need help, reach out to us on

Change of Mind

We are happy to accept a return for a "change of mind", however, you will need to cover the cost of any merchant fees associated with the return. Goods need to be in an "as new" state.

What's the warranty on your Raspberry Pis?

You can have peace of mind knowing that Raspberry Pi is backed by a 1-year warranty, and thanks to rigorous quality assurance testing in the UK factory, you can be sure that your Raspberry Pi will stay in good working condition.

How long does shipping and delivery take?

At our Sydney, Australia warehouse, we provide fast and reliable shipping. To go even further, we have created our own Raspberry Pi powered Robot called Bishop.

How long does delivery take?

Australia Post picks up from us daily. If you're within the Australia Post next day network you can usually expect your order to arrive the next day if ordered with Express Post before 2pm.

80% of Australian addresses covered and you probably already know if you're in the network.

How can I track my order?

When we ship your order (which we do daily), we send you a tracking link.

If you haven't received a tracking link, please email us on .

How do I contact customer service?

You can call us on 1300 240 817 or email .

Do you have a secure website?

Yes, our website is secure and we use the latest security features to ensure your data is always kept safe.

Can I get my order shipped to a PO Box or Parcel Locker?

If you want to ship to a PO Box, Parcel Locker or another otherwise anonymising delivery address, we need you to use Paypal at checkout.