Buy MPR121 Breakout V12 Capacitive Touch Sensor Module - I2C Keypad

MPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C Keyboard is an innovative component designed to bring your touch-based projects to life. This touch sensor module uses the I2C interface to control up to twelve individual electrodes, making it a flexible and efficient choice for custom touch-sensor designs. With capacitive sensing capabilities, it enhances touch sensing applications with efficiency and reliability, truly making it an ideal choice for various touch sensor projects.

Key Features - MPR121 Breakout V12

• Supports a wide operating voltage of 2.5-3.6 VDC, making it versatile for different setups.
• Connects effortlessly through an I2C interface.
• Capacitive touch sensing capability for up to twelve inputs plus a simulated thirteenth electrode.
• Includes eight LED driving pins for additional functionality.
• Comes with easy-to-use jumpers on the board for address configuration and resistor connection.
• Compact breakout board design for easy implementation.
• Provides reliable and accurate touch detection.

Applications

The MPR121 Breakout V12 is perfect for integrating touch sensor switch systems in Arduino projects, constructing interactive capacitive touch panels, and developing capacitive touch displays. Whether enhancing home automation systems or creating touchscreen enhancements, it expands possibilities for intuitive and seamless interaction.

Technical Specifications

How to Use - MPR121 Breakout V12

• Connect the module to your microcontroller via the I2C bus. Ensure that all default jumpers are closed for initial settings.
• Alter the module's address by adjusting the ADD pin configuration.
• Attach your touch inputs to the electrode pins for sensor activation.
• Use the allocated pins if you want to integrate LEDs.
• For Arduino users, utilize the Adafruit MPR121 library for easier setup.
• Program the microcontroller to initialize the I2C communication and configure the MPR121 settings.
• Monitor the I2C data to detect touch events and trigger actions within your project.

Package Includes

• 1 x MPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C keyboard
• 1 x 6pin Male Header
• 1 x 12pin Male Header

Additional Resources

Video Tutorials