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!

AC Current Detection with Allegro AC756 Linear Current Sensors
Disney Glow With The Show Ears Teardown
Office Chairiot Mark II - Progress Update
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Update on Backyard DIY LP Fire Pit
FitBit Contest at meltmedia - No Cheat-O-Matic
CalDigit TS4 Thunderbolt 4 Dock
My Very Own Useless Machine Ever!!! (Finally!)
PC Power Supply Repurposed for Bench/Breadboard/Tinker Use
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The Rest of the Props
Turn a Servo Into an Inexpensive Geared Motor
Swanky Chinese Lamp
Updated Office Chairiot Mark II Systems Schematic
Solenoid-Powered 6 Brass Bell
Update: LED Reading Lamp Materializing
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
How To Compete in Your Company's FitBit Walk Competition While Injured
Standing Desk Improvisation Inspiration with Little Perspiration
Electronics and Hack Workbench
DIY Cornhole Game Set
A Maker Review on Bluetooth Smart Beacons (or Apple iBeacons)
LED Mood Lamp
iPhone Lens Adapters from Photojojo
Welcome!
Fix Missing Comments Problem in Notepad WordPress Theme
Ventilation Upgrade
meltmedia Hack Day July 2012!
June 18, 2014 is the National Day of Making
Objective-C/iOS/iPhone: UIColor from NSString
Desktop Warp Core - The Early Years
AC Current Detection with Allegro AC756 Linear Current Sensors
Disney Glow With The Show Ears Teardown
Office Chairiot Mark II - Progress Update
RoboStocking - AVR, Servo, Motor, IR Sensor, and BOOM!!! Merry Christmas!
Update on Backyard DIY LP Fire Pit
FitBit Contest at meltmedia - No Cheat-O-Matic
CalDigit TS4 Thunderbolt 4 Dock
My Very Own Useless Machine Ever!!! (Finally!)
PC Power Supply Repurposed for Bench/Breadboard/Tinker Use
Making Mad Props for meltmedia's Interactive Superhero Marketing Launch: The Rest of the Props
Turn a Servo Into an Inexpensive Geared Motor
Swanky Chinese Lamp
Updated Office Chairiot Mark II Systems Schematic
Solenoid-Powered 6 Brass Bell
Update: LED Reading Lamp Materializing
Bourbon Bottle Chandelier - Bluetooth, Dimmable, Hand-crafted
How To Compete in Your Company's FitBit Walk Competition While Injured
Standing Desk Improvisation Inspiration with Little Perspiration
Electronics and Hack Workbench
DIY Cornhole Game Set
A Maker Review on Bluetooth Smart Beacons (or Apple iBeacons)
LED Mood Lamp
iPhone Lens Adapters from Photojojo
Welcome!
Fix Missing Comments Problem in Notepad WordPress Theme
Ventilation Upgrade
meltmedia Hack Day July 2012!
June 18, 2014 is the National Day of Making
Objective-C/iOS/iPhone: UIColor from NSString
Desktop Warp Core - The Early Years

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.

Visit Resource →
Developer Tools
Pico CSS

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

Visit Resource →

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

Visit Resource →
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

Visit Resource →
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

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
50 Women in the Tech Industry Every Man Should Know

(From the article intro) “The tech industry is a sector dominated by men. You’ve probably heard about well-known tech giants like Bill Gates, Jeff Bezos or Mark Zuckerberg, but you might not know about the equally impressive female tech gurus. Research shows that almost 80% of students cannot name a single famous woman working in tech. To solve this problem, we’ve got a list of the top 50 women in the tech industry you should know about!” (Thank you, Eva!)

Visit Resource →