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!

Disney Glow With The Show Ears Teardown
iPhone Lens Adapters from Photojojo
Sharp Clock (Saw Blade Recycling)
Tony Stark for Halloween 2010: The Arc Reactor (RT Mark II)
Update on Backyard DIY LP Fire Pit
Cigar Coolidor (Wine Cooler + Humidor = Coolidor)
What happens when a fat guy on a golf cart parks on my iPhone?
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Fix Missing Comments Problem in Notepad WordPress Theme
AC Current Detection with Allegro AC756 Linear Current Sensors
The Shed Beast: A 12x16 Wood Frame Storage Shed
Standing Desk Improvisation Inspiration with Little Perspiration
Domo Wobbly Balancing Robot Thing
My First Amplifier Circuit: LM386 Easy Amp
Charlieplexing MORE LEDs (20, to be exact)
Stripe - Card Processing for Developers
AVR Serial Communications Using XBee RF Modules
Touch Screens: Some Interesting History and Info
Lipstick Camera Turned Video Microscope
Mac OS X Lion and iSCSI Using FreeNAS and globalSAN
Electronics Workbench LED Upgrade
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The HAT
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: Techno HAMMER
iPotti #2: After a Number One, We Had to Make a Number Two
DIY Cornhole Game Set
USB Foam Dart Launcher Assimilated (Partially)
Charlieplexing LEDs with an AVR ATmega328
LED Mood Lamp
Turn a Servo Into an Inexpensive Geared Motor
Recycled Sparkfun Shipping Box Wire Dispenser
Disney Glow With The Show Ears Teardown
iPhone Lens Adapters from Photojojo
Sharp Clock (Saw Blade Recycling)
Tony Stark for Halloween 2010: The Arc Reactor (RT Mark II)
Update on Backyard DIY LP Fire Pit
Cigar Coolidor (Wine Cooler + Humidor = Coolidor)
What happens when a fat guy on a golf cart parks on my iPhone?
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Fix Missing Comments Problem in Notepad WordPress Theme
AC Current Detection with Allegro AC756 Linear Current Sensors
The Shed Beast: A 12x16 Wood Frame Storage Shed
Standing Desk Improvisation Inspiration with Little Perspiration
Domo Wobbly Balancing Robot Thing
My First Amplifier Circuit: LM386 Easy Amp
Charlieplexing MORE LEDs (20, to be exact)
Stripe - Card Processing for Developers
AVR Serial Communications Using XBee RF Modules
Touch Screens: Some Interesting History and Info
Lipstick Camera Turned Video Microscope
Mac OS X Lion and iSCSI Using FreeNAS and globalSAN
Electronics Workbench LED Upgrade
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The HAT
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: Techno HAMMER
iPotti #2: After a Number One, We Had to Make a Number Two
DIY Cornhole Game Set
USB Foam Dart Launcher Assimilated (Partially)
Charlieplexing LEDs with an AVR ATmega328
LED Mood Lamp
Turn a Servo Into an Inexpensive Geared Motor
Recycled Sparkfun Shipping Box Wire Dispenser

Maker Resources

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

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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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 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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STEM Stuff
Science Friday

(Shouldn’t every single day be Science Friday? Science Friday Monday, Science Friday Tuesday, etc.) “Science Friday is an award-winning producer of high quality, fact-checked, and trustworthy science news and educational programming. For 30 years, we’ve introduced top scientists to public radio listeners, and reminded them how much fun it is to learn something new. But we’re more than just a radio show. We produce a sweeping array of educational and entertaining science experiences through videos, podcasts, digital media, live events, citizen science, K-12 education and professional development, and at-home learning activities for families that directly serve hundreds of thousands of educators, parents, citizen scientists, and lifelong learners every year.” —ScienceFriday.com 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
How to Engage Girls in Science

This guide gathers select print and electronic resources for educators, parents, researchers, and young women on how to get girls (particularly middle and high school aged) interested in science and scientific careers.

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Women & Girls in Tech
Women Who Code

Global non-profit dedicated to inspiring women to excel in technology careers. From their home page: "Since 2011, Women Who Code has been where women in tech find their people, the mentors who push them forward, the peers who get it, and the network that opens doors."

Visit Resource →