make. break. in no particular order.

My name is Andy and I make lots of random stuff. Read more about me on the About page.

What's New, You Ask?

I've released a tiny little macOS menubar utility I use to quickly swap my SSH config files between different environments or use cases. It's called Sshwitch.

Side note: On this website, I am using the super-cool Input font for this site. If you write code and you want to use it for your code editor, grab it here: https://input.djr.com/

Latest Blog Articles

CalDigit TS4 Thunderbolt 4 Dock
📆 Dec 30. 2025
📁 Computer Stuff

CalDigit TS4 Thunderbolt 4 Dock

My thoughts on the CalDigit TS4 Thunderbolt 4 dock

The Shed Beast: A 12x16 Wood Frame Storage Shed
📆 Mar 23. 2020
📁 Uncategorized

The Shed Beast: A 12x16 Wood Frame Storage Shed

Designing and building a massive 192 sq ft workshop shed.

Fitness Tracker Tester (& Pokemon Incubator?)
📆 Oct 12. 2016
📁 Uncategorized

Fitness Tracker Tester (& Pokemon Incubator?)

A generic device for... testing fitness trackers. Yeah, testing.

Photo Parade!

Focus, Dammit! Or, How I've Learned to Control A.D.D.
DIY Workshop Stereo Boombox Kinda Thing
Lipstick Camera Turned Video Microscope
How To Compete in Your Company's FitBit Walk Competition While Injured
Office Chair Land Speed Record?
Foam Core Backdrop Support Frame
Swanky Chinese Lamp
Bourbon, Yummy Bourbon!
Welcome!
2012 Kentucky Bourbon Trail
Ventilation Upgrade
Charlieplexing LEDs with an AVR ATmega328
AVR Serial Communications Using XBee RF Modules
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
USB Foam Dart Launcher Assimilated (Partially)
Designing a New Man Cave and Workshop
Electronics Workbench LED Upgrade
Domo Wobbly Balancing Robot Thing
Update: LED Reading Lamp Materializing
Solenoid-Powered 6 Brass Bell
Stripe - Card Processing for Developers
CAD: Now My Most Important Maker Tool
Easy DIY PVC Poolside Towel Rack
Introducing: The Office Chairiot Mark II - Labor In Motion Again
Fitbit Cheat-O-Matic 2: 3D Printed Mechanical Simplicity
DIY Cornhole Game Set
Disney Glow With The Show Ears Teardown
What happens when a fat guy on a golf cart parks on my iPhone?
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Objective-C/iOS/iPhone: UIColor from NSString
Focus, Dammit! Or, How I've Learned to Control A.D.D.
DIY Workshop Stereo Boombox Kinda Thing
Lipstick Camera Turned Video Microscope
How To Compete in Your Company's FitBit Walk Competition While Injured
Office Chair Land Speed Record?
Foam Core Backdrop Support Frame
Swanky Chinese Lamp
Bourbon, Yummy Bourbon!
Welcome!
2012 Kentucky Bourbon Trail
Ventilation Upgrade
Charlieplexing LEDs with an AVR ATmega328
AVR Serial Communications Using XBee RF Modules
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
USB Foam Dart Launcher Assimilated (Partially)
Designing a New Man Cave and Workshop
Electronics Workbench LED Upgrade
Domo Wobbly Balancing Robot Thing
Update: LED Reading Lamp Materializing
Solenoid-Powered 6 Brass Bell
Stripe - Card Processing for Developers
CAD: Now My Most Important Maker Tool
Easy DIY PVC Poolside Towel Rack
Introducing: The Office Chairiot Mark II - Labor In Motion Again
Fitbit Cheat-O-Matic 2: 3D Printed Mechanical Simplicity
DIY Cornhole Game Set
Disney Glow With The Show Ears Teardown
What happens when a fat guy on a golf cart parks on my iPhone?
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Objective-C/iOS/iPhone: UIColor from NSString

Maker Resources

A radnom sampling of tools and resources I find useful. View all resources →

Developer Tools
Pico CSS

Minimal CSS framework for semantic HTML. It makes things look great without writing classes.

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Learning Platforms
FreeCodeCamp

A non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations.

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Resources for STEM

Find stuff for learning Science, Technology, Engineering, and Mathematics. View STEM

STEM Stuff
STEMpowerUP

“[STEMpowerUP was launched] to help others find similar opportunities. Our platform consolidates STEM courses, bootcamps, scholarships, and events, providing one place where you can discover what you need to grow and succeed.“ —STEMpowerUP About page

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STEM Stuff
Science Journal for Kids (& Teens)

“Science Journal for Kids aims to make scientific research discoveries more accessible to the general audience and particularly to children. We do that by digitally publishing kid-friendly adaptations of scientific papers. In addition, Science Journal for Kids prepares and offers teacher’s aids and resources to enable integration of the scientific literature in a classroom curriculum.“ —ScienceJournalForKids.org About page

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Resources for STEM & Women/Girls in Tech

Technology is super cool and it shouldn't care who makes it that way. Women/Girls in Tech.

Women & Girls in Tech
Tips for Getting Girls Involved in STEM

SAM Reader Brielle sent me this link from ITHARE.com. From the ITHARE About page: [They are a collection of] H.A.R.E.[s], which stands for “Honest And Restless Engineer”. Other H.A.R.E. rabbits may include other sub-species, such as “Heartless And Rough Engineer”, or “Hyperactive And Rebellious Engineer”, or even “Harebrained And Reckless Engineer”. Overall, some scientists argue that all H.A.R.E.s can be described by the following formula: H[a-z]* And R[a-z]* Engineer, but this is still a subject of numerous debates within Rabbit Academia.

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Women & Girls in Tech
List of Scholarships for Women

This page has a list of scholarships for women organized by major or field. From the page (edited for clarity): In 2019, women constituted 56% of all enrolled college students, yet they hold almost two-thirds of cumulative student loan debt, which at the time had reached almost $1.46 trillion.

Visit Resource →