TikTok users are turning New Year’s resolutions into a hands-on, colorful habit-tracking trend and it’s already going viral ...

This key-driven, manual verifier has 15 black rubber keys. Twelve are for the 12 columns on a punch card. These are labeled from 0 to 9, X, and blank. Two other keys move the card one space, and the ...

Since the dawn of computers, we’ve tried different ways to store data. These days, you grab data over the network, but you probably remember using optical disks, floppies, or, more recently, flash ...

I built a card reader interfaced with a LCD and Microcontroller. It displays the name of the person on the LCD to confirm identity when a card is inserted. It’s a simple prototype of card identifiers ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This paper, unused punch card is tan ...