SKU: 1336656922

SparkFun Mux Shield II Shields

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Description

SparkFun Mux Shield II ShieldsSometimes youve got way too many inputs, or outputs or both. How are you going to get them all connected to your Arduino? The Mux Shield, thats how. The Mux Shield II from Mayhew Labs is an upgrade on their previous Mux Shield which makes it possible to route up to 48 analog and digital inputs or digital outputs to and from your Arduino board. The Mux Shield II improves on the original by moving all of the I O pins to the end of the board, thus

Sometimes you’ve got way too many inputs, or outputs… or both. How are you going to get them all connected to your Arduino? The Mux Shield, that’s how. The Mux Shield II from Mayhew Labs is an upgrade on their previous Mux Shield which makes it possible to route up to 48 analog and digital inputs or digital outputs to and from your Arduino board.

The Mux Shield II improves on the original by moving all of the I/O pins to the end of the board, thus allowing you to add one big connector and hook up a ribbon wire or similar cable solution. This also gets the pins out of the way so that the Mux Shield can be in the middle of a stack, with a shield on top of it, and you can still get to the I/O pins. The pins are arranged into three rows of sixteen and each row can be individually set as a digital input, a digital output or an analog input from the Arduino sketch! Further increasing the flexibility of the board, Mayhew Labs added solder jumpers to the bottom of the board that allow you to shut off this software control feature and “hard wire” the functionality of each row, freeing up the associated Arduino pins for other shields in the stack.

The Mux Shield uses TI 74HC4067 analog multiplexers (mux?s) for input functionality and TI 74HC595 shift registers for output functionality. Don’t worry if that’s jibberish to you, the included Arduino library wraps it up and makes it very easy-to-use.

The shield comes without any headers so be sure to pick up some stackable shield headers!

Features:

  • Control up to 48 Pins from your Arduino!
  • Multiple modes:
    • Analog Input
    • Digital Input
    • Digital Output
  • Solder Jumpers for Hard-Wired Mode Select
  • Arduino Library and Example Code Available

Documents:

Replaces:DEV-09832

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SKU: 1336656922

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4.1 ★★★★★
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Product Reviews
D
David
Los Angeles, US
★★★★★ 5
Highly Readable and Authoritative
Format: eTextbook
I had the pleasure of being introduced to this book by a professor in graduate school. Anderson's book is very readable for those who are getting started with security engineering. I found that going at a pace of a chapter each week or so was good for me to really digest the content. I'm about half-way through! I also recommend ching out the website for the book. It has PDF samples as well.
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Reviewed in the United States on January 6, 2022
M
mohammed
Draper, US
★★★★★ 5
We need more people like Ross!
Format: eTextbook
Ross work is must-read for people who are enthusiasts about security or professionals in the field.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2021
Z
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Znapp
Natrona Heights, US
★★★★★ 5
An absolute must for everyone dabbling with Unity 6 Game Development
Format: Paperback
Half of this book is about C# (until Chapter 6), and the other half is about actually making games. The book is very well written, and it is everything I needed to get a few problems solved with Unity 6 projects. I love how clearly things are explained, and the only thing I wish for is that I was able to spend more time delving into this while maintaining my financial status...
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Reviewed in the United States on January 3, 2026
C
Christopher West
Lowell, US
★★★★★ 5
A Seasoned Developer's Fresh Perspective on Game Development
Format: Paperback
Finally, a game dev book that respects your existing programming knowledge As someone who's spent two decades architecting enterprise web applications in C# and ASP.NET, I approached game development with what I thought was a solid foundation. I was wrong—not about C#, but about how differently it's applied in game engines. After five frustrating years of trying to bridge that gap through scattered tutorials and documentation, Harrison Ferrone's eighth edition finally gave me the structured path I needed. What This Book Gets Right for Experienced Developers: The pacing is deceptive. Yes, it starts with programming fundamentals, but don't skip ahead. Ferrone's approach to OOP in the context of Unity's component architecture was revelatory. In web dev, I'd been writing services, repositories, and dependency injection for years. Here, the MonoBehaviour lifecycle and component-based thinking required a genuine mental shift that the book handles exceptionally well in chapters 5-6. Chapter 10's revisit of types and methods isn't redundant—it's strategic. By this point, you've written enough Unity scripts to appreciate why game code patterns differ from traditional enterprise patterns. The discussion of value types vs reference types hits differently when you're optimizing frame rates instead of HTTP response times. The Unity 6 Update Matters: Having struggled with outdated Unity tutorials for years, the Unity 6-specific content is invaluable. The screenshots are comprehensive (full-screen mode can make text small, but the GitHub repo and graphics bundle solve this). More importantly, the code samples reflect current Unity APIs and best practices, not deprecated approaches that still litter Stack Overflow. Where It Shines for Career Transitioners: Chapters 11-13 are worth the price alone. LINQ in Unity isn't just about querying collections—it's about performance considerations I never had to think about in web apps. The coverage of generics, delegates, and events finally connected how Unity's event system relates to patterns I already knew, but in a real-time context where every allocation matters. The serialization chapter (12) bridged my understanding of data persistence from databases and JSON APIs to Unity's PlayerPrefs and ScriptableObjects. This practical grounding is what most tutorials skip. Minor Quibbles: The FPS prototype is solid for learning, but I wish there was more discussion of common anti-patterns experienced developers bring from other domains. I still catch myself over-engineering solutions when Unity's component system offers simpler approaches. Also, while the book touches on performance, those coming from async/await-heavy web development will need supplementary resources on Unity's coroutines and the Job System for more complex scenarios. Bottom Line: If you're a professional developer trying to break into game development, stop collecting random Udemy courses. This book provides the structured progression and context-appropriate examples that respects your intelligence while teaching you to think like a game developer. The C# you know is necessary but not sufficient—Ferrone bridges that gap methodically. After years of false starts, I finally have a working game prototype and, more importantly, the mental models to keep building. That's worth significantly more than the cover price. Disclosure: I received an advance review copy from Packt Publishing. This honest review reflects my genuine experience as a career-changing developer.
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Reviewed in the United States on October 21, 2025
B
Blake Lynch
New York, US
★★★★★ 5
A Worthy Touchstone for Anyone Who Wants to Master Unity
Format: Paperback
Harrison Ferrone’s Learning C# by Developing Games with Unity 6 is one of the strongest beginner-to-intermediate Unity guides I’ve read: carefully structured, patient in its explanations, and quietly packed with insight about how Unity 6 and C# truly work together. I read the physical edition while sitting in front of a blank Unity project, and the experience felt like having a seasoned sailor point out the currents of a river I’ve been navigating for years. You see the familiar terrain differently. The book’s early decision to spend real time on C# fundamentals is a welcome choice. Most Unity books skip past the language; Harrison slows down, defines concepts, and gives you enough clarity that when you finally enter Unity, you understand why things behave the way they do. Those chapters are dense in the best way: they prep beginners to stand on solid ground and give experienced users a clean, refreshed mental model of the language under the engine. Ferrone’s real strength is his voice. He strikes a balance I rarely see in technical writing: conversational introductions that explain what you’re about to learn and why it matters, followed by crisp, accessible technical walkthroughs. The pacing (explanation → example → implementation) is excellent. And the inclusion of ready-to-use assets removes one of the biggest barriers for new developers who want to understand systems without getting lost creating placeholder art. The book doesn’t talk down to anyone. It makes Unity feel more accessible without flattening its complexity. Beginners will come away with genuine competence; advanced users will appreciate the clear framing of new Unity 6 tools and the subtle recognition of how AI-assisted coding is shaping modern workflows. It’s a guide you can read once for understanding, then keep at your desk as a reference. If you’re a serious hobbyist, a technically inclined beginner, or someone who’s ready to work through your first real project, this is the Unity book I’d hand you first. It bridges concept and execution with clarity and confidence, and it does so with a tone that feels patient, practical, and quietly encouraging. In a space crowded with copy-paste tutorials, Harrison Ferrone has written a Unity 6 guide with real staying power.
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Reviewed in the United States on December 16, 2025

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