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Keypad Capacitive Touch 16 keys TTP229 I2C module RobotDYN

Keypad Capacitive Touch 16 keys TTP229 I2C module RobotDYN

The TP229 I2C Module is a versatile capacitive touch interface that provides 16 independent touch inputs. It allows you to connect a RobotDyn 16-key capacitive touch keypad to your microcontroller without consuming many digital input pins, making it ideal for projects where pin availability is limited.

Package Includes

  • 1 x TP229 I2C Module

Capacitive Keypad
19.95 AED 19.95 AED (Tax included)

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Features

  • 16 capacitive touch inputs compatible with the RobotDyn 16-key keypad.
  • I2C communication protocol for simplified wiring and minimal pin usage.
  • Supports two working modes; commonly used in 16-key mode for standard operation.
  • Compatible with popular microcontrollers including Arduino, ESP32, STM32, and Raspberry Pi.
  • Compact and lightweight design for easy integration into embedded projects.
  • Low power consumption, suitable for battery-powered applications.

 

Specifications

Parameter Specification
Input Type Capacitive touch
Number of Inputs 16
Communication I2C interface
Operating Voltage 3.3V - 5V
Working Modes Two modes; 16-key mode standard
Microcontroller Compatibility Arduino, ESP32, STM32, Raspberry Pi
Power Consumption Low
Dimensions Small, compact module

Applications

  • Capacitive touch keypads for user interfaces.
  • Home automation control panels.
  • Robotics projects requiring multiple input buttons.
  • DIY electronics and maker projects.
  • Embedded systems with limited GPIO availability.

Usage Instructions

  1. Connect the module to your microcontroller using the I2C pins (SDA and SCL).
  2. Ensure the module is powered with 3.3V or 5V, depending on your controller.
  3. Use an I2C library compatible with your microcontroller to read key states.
  4. Identify which key is pressed by reading the corresponding output from the module.
  5. Integrate key inputs into your project logic as needed.