TTP229 ,16-Key Capacitive Touch Sensor Module, 2.4V-5.5V, I2C Interface

The TTP229 16-Key Capacitive Touch Sensor Module is designed to provide an intuitive and user-friendly touch interface for embedded electronics projects. Using the TTP229 touch detection IC, it supports up to 16 touch-sensitive buttons that respond to light finger touches through non-conductive materials like glass or plastic.

This module is ideal for replacing traditional mechanical buttons in applications such as DIY electronics, home automation systems, and capacitive touch keyboards. With a simple 2-wire I²C interface, the TTP229 sensor can easily be integrated into microcontroller systems like Arduino, Raspberry Pi, or ESP32. The built-in regulator ensures stable operation across a wide voltage range.

Key Features :

• 16-Key Capacitive Touch Input: Supports up to 16 individual touch keys for intuitive and smooth user interaction.
• Wide Operating Voltage: Operates between 2.4V and 5.5V, suitable for a wide range of low-power applications.
• Low Power Consumption: With a typical operating current of 20μA (when VDD = 3.0V), it is optimized for battery-powered systems.
• I²C Communication Interface: Supports easy interfacing with a wide range of microcontrollers via a 2-wire I²C interface for efficient communication.
• Touch Sensitivity Adjustment: Adjustable sensitivity via external capacitors, with an input capacitance range of 1pF to 50pF.
• Auto-Calibration: The TTP229 supports automatic calibration for environmental changes, ensuring consistent touch detection in various conditions.