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!

What makes a Maker tick?
USB Foam Dart Launcher Assimilated (Partially)
My First Amplifier Circuit: LM386 Easy Amp
Dartboard Backstop from Office Corkboard
Office Chairiot Mark II - Progress Update
Fitbit Cheat-O-Matic 2: 3D Printed Mechanical Simplicity
2012 Kentucky Bourbon Trail
Charlieplexing MORE LEDs (20, to be exact)
Backyard Propane Fire Pit, Pavers and Outhouse Project
My Very Own Useless Machine Ever!!! (Finally!)
Easy DIY PVC Poolside Towel Rack
meltmedia meltHack-A-Palooza V: The Lost Pushbutton
Domo Wobbly Balancing Robot Thing
Introducing: The Office Chairiot Mark II - Labor In Motion Again
iPotti™ Released!
meltmedia Hack Day July 2012!
How To Compete in Your Company's FitBit Walk Competition While Injured
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Objective-C/iOS/iPhone: UIColor from NSString
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
Designing a New Man Cave and Workshop
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
Mac OS X Lion and iSCSI Using FreeNAS and globalSAN
Swanky Chinese Lamp
Rescue a Little Critter from Sticky Board Trap
Touch Screens: Some Interesting History and Info
Disney Glow With The Show Ears Teardown
Turn a Servo Into an Inexpensive Geared Motor
AC Current Detection with Allegro AC756 Linear Current Sensors
June 18, 2014 is the National Day of Making
What makes a Maker tick?
USB Foam Dart Launcher Assimilated (Partially)
My First Amplifier Circuit: LM386 Easy Amp
Dartboard Backstop from Office Corkboard
Office Chairiot Mark II - Progress Update
Fitbit Cheat-O-Matic 2: 3D Printed Mechanical Simplicity
2012 Kentucky Bourbon Trail
Charlieplexing MORE LEDs (20, to be exact)
Backyard Propane Fire Pit, Pavers and Outhouse Project
My Very Own Useless Machine Ever!!! (Finally!)
Easy DIY PVC Poolside Towel Rack
meltmedia meltHack-A-Palooza V: The Lost Pushbutton
Domo Wobbly Balancing Robot Thing
Introducing: The Office Chairiot Mark II - Labor In Motion Again
iPotti™ Released!
meltmedia Hack Day July 2012!
How To Compete in Your Company's FitBit Walk Competition While Injured
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Objective-C/iOS/iPhone: UIColor from NSString
Quick Little 3.3V and 5V Benchtop Switching Power Supplies
Designing a New Man Cave and Workshop
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
Mac OS X Lion and iSCSI Using FreeNAS and globalSAN
Swanky Chinese Lamp
Rescue a Little Critter from Sticky Board Trap
Touch Screens: Some Interesting History and Info
Disney Glow With The Show Ears Teardown
Turn a Servo Into an Inexpensive Geared Motor
AC Current Detection with Allegro AC756 Linear Current Sensors
June 18, 2014 is the National Day of Making

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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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
Stellarium

(This is the web version of the app.) “Stellarium Web [is] an online planetarium running in your web browser based on the open source Stellarium Web Engine project. Please report any bugs or ask questions on www.stellarium-labs.com or on our Github page. This web version of Stellarium is a [2-person] project: Fabien Chereau the original creator of Stellarium and his brother Guillaume.“ —Stellarium About page

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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

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
Encouraging Girls in Math and Science – What Works

A guide to provide teachers with specific recommendations for encouraging girls in math and science that can be carried out in the classroom without requiring systemic change. Other school personnel having direct contact with students, such as coaches, counselors, and principals, will also find the guide useful.

Visit Resource →