The Keydous NJ98 has a detachable magnetic color display which can be customized. There is also a rotary knob which can work as a volume or mute control. Alternatively, like many of the keys, the knob ...

For anyone who has owned a boombox or an old(er) cassette player, the digital age volume controls feel incredibly awkward. Keep pressing buttons to get the volume just right can get tiresome real ...

Integrating touchscreen and rotary-knob control into a single IC simplifies combining these two different but complementary user-input devices. Touchscreens and touchpads haven’t totally taken over ...