The TTP223B Digital Touch Sensor Module is a compact and easy-to-use capacitive touch switch designed to replace traditional mechanical buttons. It detects touch input using capacitive sensing technology, providing reliable and responsive operation.

This module outputs a digital HIGH/LOW signal when touched, making it simple to interface with Arduino, Raspberry Pi, and other microcontrollers. It can be used behind non-conductive surfaces like plastic or glass, enabling sleek and modern touch-based designs.

The TTP223B module offers low power consumption and stable performance, making it suitable for battery-powered applications and long-term use. It is widely used in home automation, consumer electronics, and interactive projects.