They can be paired with an equally thin liquid reservoir beneath them, and a flexible surface structure on top, to almost instantaneously create pop-up buttons (the process takes about a second ...

There are a few ways to add some spring to buttons and switches like these, including compliant mechanisms in the (3D-printed) plastic structure, but this isn’t always an option in a project.

To bridge the 6.3 mm spacing between the PCB and the top of the enclosure [Daniel] used a small, 7 mm PCB-mounted spring. The spring used to create a capacitive touch sensor. (Source: JLCPCB parts) ...

These touch buttons, as Apple described them, would function in a similar way to the controversial Touch Bar, a feature that Apple has since moved away from on the latest iterations of the MacBook ...

Most of the appliances in my kitchen have touch-sensitive buttons. None of them work reliably, and it's not only that they don't detect my fingers if they're wet (or at all).

As a result, “touch screen” is a misnomer, says Rachel Plotnick, associate professor of cinema and media studies at Indiana University Bloomington, and author of the 2018 book “Power Button ...