Upgrade Your Coffee Roasting Setup With This Wobbling Disk 09/01/2021 Fabricate the eccentrically optimum bean stirring device for a perfect roast.
My 15-Year Quest to Make the Ultimate DIY Coffee Roaster 07/26/2021 One man's 15-year quest to build — and rebuild, and rebuild — the ultimate DIY coffee roaster
Simple Sifter Coffee Roaster 11/27/2019 Hack a flour sifter and a heat gun to roast the ultimate bean.
Pecan Blaster: A High-Power Inertia Nutcracker 01/10/2019 Make a twin-solenoid power nutcracker that bashes the shells and saves the meats
Dog Bowl Coffee Roaster 09/07/2018 Built-in bowl spinner, bean stirrer, and heat gun achieve a perfectly even roast, automatically
Draw Abstract Art with a Random Number Generator 09/18/2017 This number generator squiggles the numbers it produces as a flurry of random lines in an artistic interpretation of abstract...
Use Stepper Motors for Unique, Analog-Style Clocks 03/03/2017 This is no ordinary, circular time telling device. Build your own clock with this elegant and uncommon face.
Use Solenoids to Build a MIDI-Controlled Percussion Bot 05/03/2016 How I built a crazy percussion robot with simple solenoids and a MIDIWidget
Explore Chaos Theory with an LED Double Pendulum 03/04/2016 Pendulums are often meditative, but this double pendulum with attached LEDs spins in crazy unpredictable and highly entertaining ways.
Build a Rotating Feeder for Perfect Bird Pictures 07/16/2015 Birds make lousy subjects for digital photographs. But you can perfect shot, thanks to a long shutter-release cable and a...
