Frank Zhao of Eleccelerator writes: Remember my Aquarium Computer? I thought the SSD looked boring, so I put a old-school HDD inside with all the guts exposed, and wired it electrically to spin and swing when there is hard drive activity (when the HDD activity LED blinks). Project info at Eleccelerator page.
Jason designed a persistence of vision hard drive clock. He etched numbers on a copper disk and added 8 LEDs below it. Each LED represents a character on the display and blinks when the corresponding digit passes over it. His project is Arduino-based, and the project files can be downloaded from GitHub. My replacement platter was cut […]