TTP223 Touch Sensor

The TTP223 Touch Sensor Module is a compact and reliable capacitive touch detection solution based on the TTP223 IC. This module offers a single touch key that replaces traditional mechanical buttons with a sleek, touch-sensitive surface. It features an onboard LED indicator for visual feedback and supports a wide operating voltage range of 2.0V to 5.5V, making it compatible with most microcontroller platforms including Arduino, ESP32, and Raspberry Pi. The module has a response time of approximately 220ms and a sensor range of about 5mm, allowing for reliable touch detection through thin materials. Key features include low standby current (1.5µA typical), high sensitivity, and easy interfacing with digital inputs. Common applications include home automation control panels, interactive displays, consumer electronics, and educational projects. This module is perfect for hobbyists and professionals looking to add modern touch interfaces to their projects without complex circuitry. Choose this TTP223 module for its reliability, ease of use, and excellent compatibility with popular development platforms.