We take a break from complicated stuff to relax and admire a Hewlett-Packard HDSP-2112 LED display, using a HP internal demo box that propped up at a Silicon Valley flea market. Amazingly, these are still made today! Stuff that supports the channel: – Support us on Patreon: https://www.patreon.com/curiousmarc – Amazon …
From: Retro Roundup