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Mini Grand Mega Kit

Mini Grand Mega Kit

From prototyping to finished product, learn as you build your electronic masterpiece!

Master Makery with the Mini Grand Mega Kit, an all-inclusive DIY electronics package for makers of all skill levels. The Mini Grand Mega Kit empowers you to prototype, build, and code a fully functional digital instrument that you can actually use and enjoy long after completion. Whether you're a novice or an experienced maker, this kit offers an engaging and enriching experience that will elevate your skills and leave you with a one-of-a-kind electronic instrument.
Regular price $49.99 USD
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Build an infinitely hackable and fun electro-instrument while mastering the art of electronics, code, and engineering.

This comprehensive kit takes you on a transformative journey, starting with breadboard prototyping, guided by the included amomii textbook - Arduino Code and Hardware Fundamentals. You'll then transition to assembling a purpose-built PCB and housing it within an elegant grand piano case. The end product? The Mini Grand - a harmonious blend of classic aesthetics and cutting-edge technology, a creation to be genuinely proud of.

As you experiment with our example codes, your Mini Grand's capabilities expand exponentially. You can turn it into a captivating low-fi drum machine, a nostalgic retro synth, a versatile sequencer, or even an entertaining musical memory game. Alternatively, apply your newly acquired coding skills and unlock endless possibilities.

Whether you're a fledgling beginner or a seasoned maker, the Mini Grand Mega Kit promises an engaging and rewarding journey. Discover its full potential within the comforts of your home using the onboard buzzer, or step into the limelight and showcase its distinctive sounds by connecting it to external speakers on stage. Begin your journey as an explorer and conclude as a master maker with the Mini Grand Mega Kit.

Mini Grand Getting Started Guide

How to build your Mini Grand Retro Case

How to build your Mini Grand Classic case

What's in the Box?
Everything needed to bring your projects to life.

Collapsible content

See what's Inside

1 x amomii UNO

1 x Breadboard

1 x Potentiometer 10K

1 x Buzzer (Passive)

1 x LED (Red)

8 x Resistor (10KΩ)

8 x Resistor (220Ω)

8 x Tactile Push Button (12x12mm)

40 x Jumper Wire (M-M)

1 x amomii Glow

1 x Mini Grand PCB

1 x USB C - A Cable

1 x 220uF Electrolytic Capacitor

1 x 47uF Electrolytic Capacitor

1 x Capacitor (47nF)

1 x Capacitor (100nF)

1 x Male Headers (40 Pin)

1 x Toggle Switch

1 x Audio Jack (3.5mm)

1 x Buzzer (Passive)

1 x Screw Terminal (2P)

1 x Photoresistor

1 x Resistor (10KΩ)

1 x Resistor (10Ω)

1 x Resistor (100KΩ)

1 x Audio Amp IC - LM386N-1

1 x Piano Components Set (5 Piece)

2 x Female Headers (3 Pin)

4 x Potentiometer (10KΩ)

4 x Screws (M3 5mm)

8 x Resistor (220Ω)

8 x LED (Red)

8 x Tactile Push Button (6x6xH7mm)

Your Journey
From concept to creation, prototype to product, pure engineering with YOU at the helm.

Prototype and Learn

Up your maker game by following our fun and practical lessons using professional prototyping equipment.

Solder the Shield

Soldering is a vital skill for any maker worth his or her salt, and with the Mini Grand, you get to hone your skills welding real world components to the purpose-built PCB.

Get Connected

Connect your Mini Grand to the amomii UNO microcontroller with ease. Simply push the two together creating a solid and reliable connection.

Code it to Life

Upload the test code and enjoy the thrill of seeing your creation come to life one component at a time.

Assemble the Piano

Turn your prototype into a product by assembling the Mini Grand piano case. A classic aesthetic for your modern masterpiece.

Projects & Hacks
Once your Mini Grand is complete, it's time to PLAY!

Discover the capabilities of your Mini Grand with our exciting example projects, or take it to places unknown with your newly acquired coding skills. The possibilities are endless!

More than Meets the Eye
Repurpose the included components for your own projects.

amomii UNO

Attach sensors, motors, lights or whatever you need to this awesome microcontroller, and let it be the brains of all your electronics projects.

Prototyping Equipment

Add the professional prototyping equipment to your tool box and use it time and time again as you grow as a maker.

amomii Glow

Each pixel on this stunning addressable RGB strip can be coded individually, opening a world of possibilities for adding vibrance to your projects.

Mini Grand Shield

Besides being an awesome electronic instrument, the Mini Grand was also designed to be hacked! Control it with external devices, or use it as a controller for your own projects.

Learn from Experience
Let Our Original Educational Content and Manuals Be Your Pathway to Maker Mastery

Our in-depth Getting Started manual expertly guides you through every step of the process, turning your collection of components into a fully functional and impressive device. It even allows you to build your device without any prior coding skills, thanks to our readily available example projects.

If you're truly passionate about learning, embark on a journey of discovery into the realms of coding and hardware with our comprehensive guide, "Arduino Code and Hardware Fundamentals." Crafted by our founder, Shaun Armstrong, an experienced high school STEAM teacher, this book serves as the perfect entry point for beginners exploring the world of coding and gadgetry.

From the fundamentals of electronics, circuitry, and common components to coding, this book covers it all in an easily understandable manner. It starts with the basics, like blinking an LED, and gradually progresses to the creation of a fully functional robot piano memory game. With step-by-step instructions and examples, you'll gain a profound understanding of Arduino coding and hardware, setting you on the path to becoming a confident creator.

Ready to Start Building?
To bring your Mini Grand to life, there are few things you’ll need.


You'll need a Windows, macOS, or Linux computer with USB connectivity to upload code to your board.

A USB C to USB A cable is included but if your computer only has a USB C port, you can use any USB C data cable or an A to C adapter.

Arduino IDE

The easiest way to upload code to the amomii UNO is via the Arduino IDE. This excellent piece of software can be downloaded for free from the official Arduino website.
Download Software

External Components

To assemble and customize your Mini Grand, you'll require basic soldering equipment. This includes a soldering iron, solder wire, and other soldering accessories for connecting components to the purpose-built PCB. If you're new to soldering, don't worry! Our comprehensive manuals and educational content will guide you through the process step by step.
Educational Value

Learning coding and electronics is a valuable and in-demand skill, and the Mini Grand Mega Kit provides an exciting and practical way to gain hands-on experience.

Programming is done on the Arduino Integrated Development Environment (IDE) using the C++ programming language. C++ is a powerful and widely-used programming language that has many applications in areas such as robotics, game development, software engineering, and scientific research. Learning C++ can provide a strong foundation for understanding programming concepts and can lead to further exploration in the field of computer science.

In educational settings, the Mini Grand Kit can be used to teach STEAM (Science, Technology, Engineering, Arts, and Math) concepts in a fun and engaging way. The coding textbook included was written by our founder Shaun Armstrong, who is an experienced STEAM department hight school head. The included amomii UNO is also a great tool for personal projects and experimentation, allowing you to explore your creativity and innovation.

Overall, the Mini Grand is an excellent way to gain practical skills and knowledge while having fun. Whether you're a beginner or an experienced maker, the amomii UNO provides endless opportunities for learning and experimentation, making it a valuable addition to any educational or personal toolkit.

Video Guides
Let’s get it together, together!

Everything you need to go from electro-noob, to maker-master.
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