How to interface an Arduino with an automated change dispenser. Cha-ching!
Step by step instructions for building your own counting box similar to the one seen in my article in MAKE magazine.
Pumpktris is a fully playable version of Tetris into a pumpkin, with 128 LEDs for the display and the stem serving as a game controller.
This surplus USGI flashlight can charge my phone and light my way down a darkened path.
My son loves numbers and counting, so I made this educational toy to indulge his interests. Choose the increment value, then push one button to add and the other button to subtract that amount from the total.
As resilient as they are, sometimes the components in a Snap Circuits kit can break. Here’s how I repaired mine.
How can I make the house more like an arcade? Day-glo carpet, spilled soda, and gangs of surly teenagers were all ruled out, so instead I made a light-up Skeeball backglass.
Hey, hipsters! That 1980s calculator wristwatch you’re wearing isn’t retro enough for you anymore? Time to go waaaaay back in time with your wrist-worn calculating devices, all the way to the abacus.
A laser-cut prototyping board that holds an Arduino, a full-sized breadboard, and has a tray for components.
Plans and instructions for building your own version of the giant Adirondack chair.
This t-shirt screenprinting press I designed and built is fully adjustable to help get the best prints possible.
Honey, I blew up the lawn furniture! When you double the scale for a classic adirondack chair so that it’s eight feet tall, everyone can lounge like Edith Ann.
My two year old son loves trains and all things train-related. What could I give him for Christmas a little more special than another Thomas the Tank Engine? A railroad crossing sign to hang on his wall!
Have you ever said “These aren’t the snowmen we’re looking for.”? If so, then this cozy Stormtrooper neckwarmer is just the thing to keep you warm while you’re hunting down enemies of the Empire on a crisp winter night.
A headband and a coin purse I made from the magnetic core memory fabric I designed.
This is my first attempt at designing a fabric pattern. It was inspired by the grid of magnetic core memory planes.
Laser-cut wool stinks of burnt hair (because that’s what it is). Here’s what I do to deodorize it and clean the charred edges.
I started laser cutting the mustaches from my neckwarmers
This self-contained kit carries paper, pencils, and crayons in a soft, kid-friendly package, so a child always something to entertain himself with at restaurants or on the road.
Stay warm and stylish on the slopes or the streets in this cozy fleece neck warmer that features a better mustache than you could ever grow yourself.
Some super-simple cut paper snowflakes inspired by Star Wars
Further explorations in archaic wearable computing: an abacus in the style of a classic calculator wristwatch.
A simple and fun Halloween costume honoring the classic video game PONG.
A nixie tube clock kit and the custom maple enclosure I built for it.
A few tweaks make a multimeter friendlier for a child and his electronics kit.
Turn a screwdriver into a car key so you can emulate the car-stealing thug life.
Combining the storage of a flash drive with the form factor of a cassette tape.
These are posts unrelated to projects.
Nostalgia for the sweet perfume of old electronics.
A package returned from Australia provides a test of shipping material.
The first showing of my ‘StacheWarmers isn’t the runaway success I was hoping for.
The origins of the HaHa Bird.
My experience ordering laser-cut materials through Ponoko.