Capacitive touch sensor controller with I2C interface for easy integration into microcontroller projects Manages 12 touch electrodes plus 1 simulated electrode for testing, calibration, or expansion planning 8 configurable LED driving pins to provide visual feedback, indicators, or pad illumination I2C communication enables straightforward control, configuration, and data retrieval, reducing wiring and firmware complexity Designed for embedded systems requiring reliable touch sensing and simple control Use scenarios Home appliance touch panel: supports multiple touch inputs with LED indicators driven by the same controller for clear user feedback Industrial control interface: scalable touch surface with I2C control to simplify wiring and integration with standard controllers Prototyping and UI development: simulated electrode provided for testing and calibration, LEDs used for visual debugging and status indicators