You can’t have a touch sensitive switch without a way to detect the presence of a finger! A touch sensor, especially a capacitive touch sensor, has some surprisingly sophisticated electronics to ...

The MPR121 embarks as the industry’s most energy efficient capacitive sensor and the complimentary Touch Sensing Software (TSS) Suite, compatible with more than 300 of the company’s eight-bit MCUs, ...

During the last two months, announcements of new touch sensors and touch-sensor capabilities have arrived from Silicon Labs, Freescale, and Atmel. But the technologies differ and give engineers a ...