Stumbling around YouTube, we found what has to be the lowest-tech method of producing a touchpad to make a capacitive touch keyboard, and we just had to share it with you. If you’re afraid of ...
With the mechanical portion of the project out of the way, he spent a great deal of time working on the door’s electronic components, including the PIC-based controller and capacitive keypad.
The keyboard, which doubles as a display, includes a removable “electrostatic capacitive keycap” frame that sits atop its touchscreen, providing physical keys that facilitate touch typing.