Buy DAOKI 10PCS TTP223B Touch Switch Module 2-5.5V 1 Position Digital Capacitive Sensor Touch Switch for Arduino with Dupont Cable Online in Italy. B087QF9RN8
Capacitive Touch Sensor with Arduino — Maker Portal
Touch Sensor Kit Touch Button Golden Digital Capacitive Switch Key Module (Direct Mode + Toggle Mode) Compatible for Arduino|module for arduino|module switchmodule kit - AliExpress
Constructing Mobile Multi-Sensor Systems | DigiKey