(1) Most QWERTY computer keyboards use a single rubber-like membrane underneath the keys that makes contact with a circuit board when the key is fully depressed. Also called a "dome switch ...

This project for the Hackaday Prize is going to change that by building a crowdsourced effort to design Braille ... These keypads are designed to overlay the membrane keypad on consumer ...

It's an improvement on the original simple membrane keyboard design and a membrane keyboard that makes use of scissor switches feels significantly better to type on. The reason these switches are ...