TTP223B capacitive touch button sensor module for Arduino and Raspberry Pi

TTP223 capacitive touch sensor The compact TTP223 touch sensor is a versatile device for electronic projects. The module is fully compatible and works well with Arduino, with Raspberry Pi, with ESP8266, and with ESP32. Thanks to a wide supply voltage range from 2V to 5.5V DC, the sensor integrates easily with various systems. A built-in LED indicates activation and touch detection in real time. Key technical specifications

* Integrated circuit: TTP223 * Supply voltage range: 2V - 5.5V * Fast response time: about 60ms * Indication: LED mounted on the board * Compact dimensions: 19 x 11 x 3 mm

Example applications

* Modern replacements for traditional mechanical buttons * Touch control panels in home automation systems * User interfaces in Arduino and Raspberry Pi projects * Lighting switches that react to hand proximity * Educational projects and electronic device prototypes

Benefits

* No mechanical wear, ensuring longer life than classic switches * Instant response at around 60ms for comfortable operation * Flexible power supply, allowing use with 3.3V and 5V systems * Easy status checking thanks to the integrated indicator LED * Compact size for installation in enclosures with limited space