The electronics weren’t hard, but custom membrane keypads are hard to come by. No matter, because it’s actually pretty easy to build your own. Membrane switches are usually made with ...

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 keyboard ...

Products & Capabilities. Elastomers. Gaskets, O-Rings, Seals. Diaphragms. Molded/Laid-Up Tubes and Hoses. Shock Mounts. PTT/Volume/Squelch/Function Buttons and Knobs ...

but instead locate characters on the top layer of a three-layer membrane. The characters are printed onto a flexible polymer film that covers the entire keyboard, upon which a soft rubber dome is ...

There was once a time when membrane keyboards were pretty much your only option. If you could find a mechanical keyboard, it ...