TechKeys is serious about custom keyboards, and to prove it, they created a business card that is a functioning keyboard. This PCB with on-board re-programmable ATMEGA16U2 allows for full flexibility for hackers, tinkerers, and makers. Take home one of these as a project, keycap display, switch tester, or a shortcut to yours truly, TechKeys.us. Click here to see a full demonstration.
Cherry MX Switches not included.