Telemecanique Sensors is a world-class global brand offering a comprehensive line of products with over 25,000 types of sensors, including limit switches, pressure switches, photo-electric, ultrasonic ...

These connect to an LX3302A inductive sensor IC, which reads the position of the copper slug inside the float. That simplifies the process greatly; [Mark] goes into great detail about the design ...

Devices in the 4000T family have hardware and software to implement: enhanced capacitive touch sensing, inductive touch sensing and capacitive ... a nominal touch many millimetres from the metal ...

[James Eckert] got his hands on a Freescale MPR121 capacitive touch sensor. The chip in question speaks I2C and senses up to twelve simultaneous capacitive sense electrodes; break-out boards are ...

Newer models sport gesture and swipe functionality too. The iPhone 16 series, for example, uses a similar capacitive sensor for its Camera Control button to zoom in and out. These can be used as ...