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
iPhone Lens Adapters from Photojojo
Desktop Warp Core - The SMD LED Strip Years
June 18, 2014 is the National Day of Making
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
AC Current Detection with Allegro AC756 Linear Current Sensors
DIY Cornhole Game Set
Solenoid-Powered 6 Brass Bell
Domo Wobbly Balancing Robot Thing
Update: LED Reading Lamp Materializing
Swanky Chinese Lamp
Electronics and Hack Workbench
Charlieplexing MORE LEDs (20, to be exact)
2012 Kentucky Bourbon Trail
Cigar Coolidor (Wine Cooler + Humidor = Coolidor)
12VAC Power Supply from Ikea Wall Wart Light Power Supply
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The HAT
Update on Backyard DIY LP Fire Pit
DIY Workshop Stereo Boombox Kinda Thing
Disney Glow With The Show Ears Teardown
Backyard Propane Fire Pit, Pavers and Outhouse Project
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: Techno HAMMER
How To Compete in Your Company's FitBit Walk Competition While Injured
meltmedia meltHack-A-Palooza V: The Lost Pushbutton
Save Buckyballs Rare Earth Magnet Desk Toys!
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Updated Office Chairiot Mark II Systems Schematic
iPotti #2: After a Number One, We Had to Make a Number Two
Fix Missing Comments Problem in Notepad WordPress Theme
AVR Serial Communications Using XBee RF Modules
CalDigit TS4 Thunderbolt 4 Dock
iPhone Lens Adapters from Photojojo
Desktop Warp Core - The SMD LED Strip Years
June 18, 2014 is the National Day of Making
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
AC Current Detection with Allegro AC756 Linear Current Sensors
DIY Cornhole Game Set
Solenoid-Powered 6 Brass Bell
Domo Wobbly Balancing Robot Thing
Update: LED Reading Lamp Materializing
Swanky Chinese Lamp
Electronics and Hack Workbench
Charlieplexing MORE LEDs (20, to be exact)
2012 Kentucky Bourbon Trail
Cigar Coolidor (Wine Cooler + Humidor = Coolidor)
12VAC Power Supply from Ikea Wall Wart Light Power Supply
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The HAT
Update on Backyard DIY LP Fire Pit
DIY Workshop Stereo Boombox Kinda Thing
Disney Glow With The Show Ears Teardown
Backyard Propane Fire Pit, Pavers and Outhouse Project
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: Techno HAMMER
How To Compete in Your Company's FitBit Walk Competition While Injured
meltmedia meltHack-A-Palooza V: The Lost Pushbutton
Save Buckyballs Rare Earth Magnet Desk Toys!
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Updated Office Chairiot Mark II Systems Schematic
iPotti #2: After a Number One, We Had to Make a Number Two
Fix Missing Comments Problem in Notepad WordPress Theme
AVR Serial Communications Using XBee RF Modules

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
Science Buddies

“Science Buddies mission is to inspire and educate students of all ages with hands-on STEM explorations that reflect their unique personal interests. By providing highly personalized educational experiences, we drive student discovery, engagement, and learning in STEM subjects. Our vision is to develop high-quality scientist-authored explorations covering all key areas of STEM, from the classics to the cutting edge, in formats tailored for the needs of the audiences having the greatest potential to impact student STEM learning, students themselves, classroom teachers, informal educators, and parents. Free and open to everyone, we level the playing field, making STEM learning possible for students of all demographics.“ —Science Buddies About page

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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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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
National Girls Collaborative Project

The vision of the National Girls Collaborative Project (NGCP) is to bring together organizations throughout the United States that are committed to informing and encouraging girls to pursue careers in science, technology, engineering, and mathematics (STEM).

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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
Inspiring Girls to Pursue Careers in STEM

An informal group of scientists at the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center (PCMSC) decided to help inspire girls to pursue careers in science, technology, engineering, and mathematics (STEM) on Earth Day, April 22, 2013.

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