Spotted on the Make: Flickr Pool, a ATTiny45-based USB device that takes control (as currently programmed) of the target computer’s Caps Lock key, switching it on/off at 30-second-to-8-minute intervals (and flashing the Caps Lock light in the process). Fully programmable to do other desktop shenanigans (e.g. random key presses, cursor movement, etc).
Stealth USB CapsLocker
Discuss this article with the rest of the community on our Discord server!

Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.
View more articles by Gareth Branwyn
Related Articles from Make: