Larry Cotton
Larry Cotton is a semi-retired power-tool designer and part-time community college math instructor. He loves music and musical instruments, computers, birds, electronics, furniture design, and his wife — not necessarily in that order.
09/01/2021
Fabricate the eccentrically optimum bean stirring device for a perfect roast.
07/26/2021
One man's 15-year quest to build — and rebuild, and rebuild — the ultimate DIY coffee roaster
11/27/2019
Hack a flour sifter and a heat gun to roast the ultimate bean.
01/10/2019
Make a twin-solenoid power nutcracker that bashes the shells and saves the meats
09/07/2018
Built-in bowl spinner, bean stirrer, and heat gun achieve a perfectly even roast, automatically
09/18/2017
This number generator squiggles the numbers it produces as a flurry of random lines in an artistic interpretation of abstract...
03/03/2017
This is no ordinary, circular time telling device. Build your own clock with this elegant and uncommon face.
05/03/2016
How I built a crazy percussion robot with simple solenoids and a MIDIWidget
03/04/2016
Pendulums are often meditative, but this double pendulum with attached LEDs spins in crazy unpredictable and highly entertaining ways.
07/16/2015
Birds make lousy subjects for digital photographs. But you can perfect shot, thanks to a long shutter-release cable and a...
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