This is a very simple touch sensor switch that is build with the 555 timer IC. You just need to touch the metal plate and the relay gets energised and is kept in this state for about 100 seconds, then ...

Here is a simple capacitive touch switch circuit for electronics hobbyists. Even though the circuit uses smd components, construction of the touch sensor switch is not very hard because the whole ...

To achieve this invisibility the touch sensor circuit lines must be printed in sizes smaller than 5 microns. To give you a comparative example a human hair is 40 to 120 microns wide.

This version only senses a single finger touch, but does include size sensing. It can be cut down to 33 x 16 mm — again, this constraint is likely due to the size of the circuit on the back.

SHENZHEN, China, Nov. 20, 2019 /PRNewswire-PRWeb/ -- SigmaSense LLC, a pioneering market leader in Capacitive-Imaging, and Xymox Technologies announce the industry's first 3mm channel width touch ...

But if you were looking for even more proof that Apple is at least exploring the idea of a bezel-less iPhone with a Touch ID sensor built into the screen, there you have it.

Apple has also doubled the size of the force touch trackpad, and built a second-generation version of the butterfly keyboard on the 12-inch MacBook for the Pro. The company says it has improved ...

Timer Approaches The most common approach to measuring capacitive sensors is simply to use an analog timer circuit to generate a frequency that is inversely proportional to capacitance and then ...