Projects Below are some of the things I’ve built or am currently working on, organized by project. For a chronological look at recent projects, see the blog. Miniature Moving Light A tiny moving light with a powerful 900 lumen source, driven by DMX. 5" x 2" x 2". Arduino Pro Mini DMX Shield A PCB-based project to allow an Arduino Pro Mini to send or receive DMX. Home Workshop Setup An overview of how I revamped my home workshop to accommodate a wide range of electronic projects, using configurable shelving and 3D-printed components Homemade Cheddar Cheese An adventure into building a cheese press and making and aging my own country-style cheddar cheese. 50W QRP Amplifier An RF amplifier for portable Ham Radio use, 5W input to 50W output with interchangeable filters. Si5351 RF Signal Generator A homemade RF signal generator for .1 to 30 MHz. Controlled by an Arduino, generator is an SI5351. Portable 20m/30m/40m Antenna A portable Ham Radio antenna setup, using the QRPGuys Tri-Band vertical matching unit and a collapsible fiberglass pole. Geared 7-Segment Display A geared mechanism to display the digits 0-9. Using 3D-Printed parts and a rotary shaft. 3-Way Initial Block A 3D-Printed Object which appears to be 3 different letters (initials) depending on which side it's viewed from. Desk-Edge Can Holder A 3D-Printed Object which holds a can of delicious refreshment to the workbench. Open-Lock Desktop Organizers 3D Printed holders for a multi-tool, laser distance finder (disto) and more. Compatible with the OpenLock standard for easy rearrangement. Double Rack and Sector Pinion A 3D Printed mechanism demonstrator of a peculiar alternative gear arrangement. Uses a small RC hobby motor for continuous motion.