{"product_id":"mpr121-breakout-capacitive-touch-sensor-module","title":"MPR121 Breakout Capacitive Touch Sensor Module","description":"\n\u003ch1\u003eMPR121 Breakout Capacitive Touch Sensor Module\u003c\/h1\u003e\n\n\u003cp\u003eElevate your touch-based projects with the \u003cstrong\u003eMPR121 Breakout Capacitive Touch Sensor Module\u003c\/strong\u003e, a versatile and reliable solution for implementing touch-sensitive controls. Designed around Freescale's advanced MPR121QR2 capacitive touch sensor controller, this breakout board seamlessly integrates with your projects, offering precise touch detection and robust performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Capacitive Touch Sensing:\u003c\/strong\u003e Powered by the MPR121QR2 controller, this module provides highly accurate capacitive touch sensing, enabling responsive and reliable user interactions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C Communication Interface:\u003c\/strong\u003e Easily connect and communicate with your microcontrollers using the I2C interface, ensuring smooth data exchange and control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports Twelve Electrodes:\u003c\/strong\u003e Manage up to twelve individual touch electrodes, allowing for complex touch input configurations in your applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimulated Thirteenth Electrode:\u003c\/strong\u003e Enhance your designs with an additional simulated electrode, offering more flexibility in touch sensing setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable LED Driving Pins:\u003c\/strong\u003e Features eight dedicated LED driving pins that can be customized as additional electrodes or used to control LEDs, adding visual feedback to your projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable I2C Address:\u003c\/strong\u003e Customize the I2C address with the built-in address jumper (default address: 0x5A), facilitating multiple device integrations on the same bus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Pull-Up Resistors:\u003c\/strong\u003e Equipped with jumpers for SDA, SCL, and interrupt pins, each accompanied by 10K pull-up resistors, ensuring stable and reliable connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage Range:\u003c\/strong\u003e Operates seamlessly between 2.5V and 3.6VDC, making it compatible with a variety of power sources and microcontrollers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVREG Pin for Stable Voltage:\u003c\/strong\u003e The VREG pin provides a stable 2.5V output, complemented by a 0.1µF capacitor to ground, ensuring consistent performance of the touch sensor controller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003cth\u003eMaterial\u003c\/th\u003e\n    \u003ctd\u003eDurable Alloy and Plastic Construction\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth\u003eApplication\u003c\/th\u003e\n    \u003ctd\u003eCapacitive Touch Sensor Controller for Various Projects\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth\u003eOperating Voltage\u003c\/th\u003e\n    \u003ctd\u003e2.5V – 3.6V DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003cth\u003eDimensions\u003c\/th\u003e\n    \u003ctd\u003e6 cm x 3 cm x 2 cm\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cp\u003ePlease be aware that the MPR121 Breakout Capacitive Touch Sensor Module does not include an onboard voltage regulator. Ensure that the supplied voltage remains within the specified range of 2.5V to 3.6VDC for optimal performance. The VREG pin is set to a steady 2.5V to support the stable operation of the sensor controller.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the MPR121 Breakout Module?\u003c\/h2\u003e\n\n\u003cp\u003eThis breakout board offers a straightforward and efficient way to incorporate capacitive touch sensing into your projects. Whether you're developing interactive interfaces, smart home devices, or innovative prototypes, the MPR121 module provides the versatility and reliability you need. Its comprehensive feature set, combined with easy integration through the I2C interface, makes it a go-to choice for hobbyists and professionals alike.\u003c\/p\u003e\n\n\u003cp\u003eEnhance your designs with responsive touch controls and customizable LED indicators, all while benefiting from the sturdy build quality and precise performance of the MPR121QR2 controller. Unlock the potential of touch sensing technology and bring your creative ideas to life with the MPR121 Breakout Capacitive Touch Sensor Module.\u003c\/p\u003e\n\n\u003cmeta content=\"touch, capacitive, sensor, breakout, mpr121, module, controller, voltage, i2c, mpr121qr2\" name=\"keywords\"\u003e\n","brand":"38-3D","offers":[{"title":"Default Title","offer_id":56866625257737,"sku":"C44EDD4","price":3.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/4040\/2697\/files\/MPR121-Breakout-Capacitive-Touch-Sensor-Module_16f5e800-1126-41a8-8069-407a5d6a5595.webp?v=1778403284","url":"https:\/\/instock.net\/products\/mpr121-breakout-capacitive-touch-sensor-module","provider":"InStock","version":"1.0","type":"link"}