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!

CalDigit TS4 Thunderbolt 4 Dock
What happens when a fat guy on a golf cart parks on my iPhone?
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
Swanky Chinese Lamp
Recycled Sparkfun Shipping Box Wire Dispenser
AVR Serial Communications Using XBee RF Modules
Fitness Tracker Tester (& Pokemon Incubator?)
Turn a Servo Into an Inexpensive Geared Motor
Fix Missing Comments Problem in Notepad WordPress Theme
Easy DIY PVC Poolside Towel Rack
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
A Maker Review on Bluetooth Smart Beacons (or Apple iBeacons)
iPotti™ Released!
Electronics Workbench LED Upgrade
Update: LED Reading Lamp Materializing
Updated Office Chairiot Mark II Systems Schematic
FitBit Contest at meltmedia - No Cheat-O-Matic
Focus, Dammit! Or, How I've Learned to Control A.D.D.
Objective-C/iOS/iPhone: UIColor from NSString
AC Current Detection with Allegro AC756 Linear Current Sensors
PC Power Supply Repurposed for Bench/Breadboard/Tinker Use
Introducing: The Office Chairiot Mark II - Labor In Motion Again
Adjustable Workbench Cigar Holder
Tony Stark for Halloween 2010: The Arc Reactor (RT Mark II)
Desktop Warp Core - The Early Years
USB Foam Dart Launcher Assimilated (Partially)
Stripe - Card Processing for Developers
Sharp Clock (Saw Blade Recycling)
Home-Aged Bourbon YUM!
iPotti #2: After a Number One, We Had to Make a Number Two
CalDigit TS4 Thunderbolt 4 Dock
What happens when a fat guy on a golf cart parks on my iPhone?
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
Swanky Chinese Lamp
Recycled Sparkfun Shipping Box Wire Dispenser
AVR Serial Communications Using XBee RF Modules
Fitness Tracker Tester (& Pokemon Incubator?)
Turn a Servo Into an Inexpensive Geared Motor
Fix Missing Comments Problem in Notepad WordPress Theme
Easy DIY PVC Poolside Towel Rack
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
A Maker Review on Bluetooth Smart Beacons (or Apple iBeacons)
iPotti™ Released!
Electronics Workbench LED Upgrade
Update: LED Reading Lamp Materializing
Updated Office Chairiot Mark II Systems Schematic
FitBit Contest at meltmedia - No Cheat-O-Matic
Focus, Dammit! Or, How I've Learned to Control A.D.D.
Objective-C/iOS/iPhone: UIColor from NSString
AC Current Detection with Allegro AC756 Linear Current Sensors
PC Power Supply Repurposed for Bench/Breadboard/Tinker Use
Introducing: The Office Chairiot Mark II - Labor In Motion Again
Adjustable Workbench Cigar Holder
Tony Stark for Halloween 2010: The Arc Reactor (RT Mark II)
Desktop Warp Core - The Early Years
USB Foam Dart Launcher Assimilated (Partially)
Stripe - Card Processing for Developers
Sharp Clock (Saw Blade Recycling)
Home-Aged Bourbon YUM!
iPotti #2: After a Number One, We Had to Make a Number Two

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
Tynker

“Tynker’s mission is to provide every child with a solid foundation in computer science, programming, and critical thinking skills to prepare them to become better architects of their future world. Our goal is to ensure that, by 2033, every high school graduate has been exposed to some formal coding education. We celebrated our 10th anniversary in 2022. We’ve helped more than 100 million kids learn to code. Our award-winning curriculum is used in more than 150,000 schools around the world.“ —Tynker About page

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STEM Stuff
How Stuff Works?

“HowStuffWorks explains the curiosities of our world, delving into everything from cyber security and housecleaning tips to the physics of black holes and the history of slang. We provide factual, unbiased content that’s fun to read — seriously, check out this piece on the world’s ugliest animal and tell us you didn’t at least crack a smile when you found out why blobfish are so ... blobby.“ —HowStuffWorks.com About page

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STEM Stuff
Khan Academy

“Our mission is to provide a free, world‑class education for anyone, anywhere. With practice exercises, instructional videos, and a personalized learning dashboard, Khan Academy empowers learners to study at their own pace, both in and out of the classroom. Covering subjects from kindergarten through early college, including math, science, reading, computing, history, art history, economics, financial literacy, SAT, MCAT, and more, Khan Academy focuses on skill mastery to help learners build the strong foundations they need to succeed in higher education and in their careers.” —Khan Academy About page

Visit Resource →

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
Girl Scouts – STEM

From the page: “Research shows that girls are keenly interested in STEM and excel at it. Yet, for a variety of reasons, girls often don’t pursue STEM—starting as early as elementary school.” Girls Scouts is helping to change that.

Visit Resource →
Women & Girls in Tech
ProjectCSGirls (ProjectCSGIRLS.com)

“ProjectCSGIRLS is a 501(c)(3) international nonprofit organization dedicated to closing the gender gap in computing and technology. Our unique idea of a technology and computer science competition for middle school girls stemmed from the fact that a large chunk of learning and development occurs during the critical middle school period.” (See the statistic above!)

Visit Resource →