PCB assembly and packing process.

Back at at supercon '22, @zachfredin.bsky.social and I get things working moments before the badge hacking contest deadline. We made an optical “punchcard” reader to load programs into the 4-bit computer badge using scavenged LEDs as sensors.

Rainbow with clouds

Clear TPU is pretty neat, but had to dry it for a week at 60C to get here.

Yes, debugging something that only works while spinning is just as much fun as it sounds! 🧵3/3

The #makergiftexchange is fantastic. I love seeing what they all come up with, and with all the fun of a white elephant. It was a fantastic excuse to learn some stuff and make a thing a friend will enjoy. 🧵2/3

For the #makergiftexchange last week with friends, I made a POV clock. Using one RGB LED and a seven segment display, it draws up to 21 characters and a full circle of 180 virtual pixels on a spinning circular PCB. Loosely inspired by Bob Blick's "Propeller Clock." 🧵1/3

Happy nondenominational decorative tree season!