{"title":"Capacitive Touch Sensors","description":"","products":[{"product_id":"mpr121-capacitive-touch-i2c","title":"MPR121 Capacitive Touch I2C","description":"\u003ch3 data-section-id=\"y0gmkd\" data-start=\"0\" data-end=\"45\"\u003eMPR121 Capacitive Touch I2C Sensor Module\u003c\/h3\u003e\n\u003cp data-start=\"47\" data-end=\"770\"\u003eUpgrade your electronics projects with the \u003cstrong data-start=\"90\" data-end=\"135\"\u003eMPR121 Capacitive Touch I2C Sensor Module\u003c\/strong\u003e, a versatile touch-sensing controller that supports up to \u003cstrong data-start=\"194\" data-end=\"225\"\u003e12 independent touch inputs\u003c\/strong\u003e through a simple I2C interface. Designed for Arduino, ESP32, Raspberry Pi, and other microcontrollers, this module allows you to create touch buttons, touch panels, interactive controls, smart home interfaces, musical instruments, and more without mechanical switches. The MPR121 features built-in filtering, auto-calibration, and high sensitivity for reliable touch detection. It can also support proximity sensing and offers configurable I2C addresses for connecting multiple modules in a single project. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"772\" data-end=\"786\"\u003eFeatures:\u003c\/h4\u003e\n\u003cul data-start=\"787\" data-end=\"1100\"\u003e\n\u003cli data-section-id=\"18h9n22\" data-start=\"787\" data-end=\"827\"\u003e12 independent capacitive touch inputs\u003c\/li\u003e\n\u003cli data-section-id=\"ydqys5\" data-start=\"828\" data-end=\"857\"\u003eI2C communication interface\u003c\/li\u003e\n\u003cli data-section-id=\"qw22ex\" data-start=\"858\" data-end=\"905\"\u003eBuilt-in auto-calibration and noise filtering\u003c\/li\u003e\n\u003cli data-section-id=\"1l59of8\" data-start=\"906\" data-end=\"944\"\u003eSupports touch and proximity sensing\u003c\/li\u003e\n\u003cli data-section-id=\"rqq1gh\" data-start=\"945\" data-end=\"971\"\u003eConfigurable I2C address\u003c\/li\u003e\n\u003cli data-section-id=\"1nkmr8j\" data-start=\"972\" data-end=\"1035\"\u003eCompatible with Arduino, ESP32, Raspberry Pi, STM32, and more\u003c\/li\u003e\n\u003cli data-section-id=\"jhmxae\" data-start=\"1036\" data-end=\"1059\"\u003eLow power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1r464rd\" data-start=\"1060\" data-end=\"1100\"\u003eCompact and easy-to-use breakout board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1102\" data-end=\"1122\"\u003eSpecifications:\u003c\/h4\u003e\n\u003cul data-start=\"1123\" data-end=\"1413\"\u003e\n\u003cli data-section-id=\"nmsicr\" data-start=\"1123\" data-end=\"1163\"\u003eIC: MPR121 Capacitive Touch Controller\u003c\/li\u003e\n\u003cli data-section-id=\"10g0uf0\" data-start=\"1164\" data-end=\"1196\"\u003eOperating Voltage: 2.5V – 3.6V\u003c\/li\u003e\n\u003cli data-section-id=\"xn3kjg\" data-start=\"1197\" data-end=\"1226\"\u003eCommunication Protocol: I2C\u003c\/li\u003e\n\u003cli data-section-id=\"1mt5kob\" data-start=\"1227\" data-end=\"1254\"\u003eDefault I2C Address: 0x5A\u003c\/li\u003e\n\u003cli data-section-id=\"1qwirms\" data-start=\"1255\" data-end=\"1275\"\u003eTouch Channels: 12\u003c\/li\u003e\n\u003cli data-section-id=\"1m4bdta\" data-start=\"1276\" data-end=\"1413\"\u003eAdditional Features: Proximity detection, interrupt output, LED drive capability on selected pins \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1415\" data-end=\"1433\"\u003eApplications:\u003c\/h4\u003e\n\u003cul data-start=\"1434\" data-end=\"1633\"\u003e\n\u003cli data-section-id=\"47rf4j\" data-start=\"1434\" data-end=\"1471\"\u003eTouch-sensitive buttons and keypads\u003c\/li\u003e\n\u003cli data-section-id=\"1w1844a\" data-start=\"1472\" data-end=\"1504\"\u003eHome automation control panels\u003c\/li\u003e\n\u003cli data-section-id=\"1afpznt\" data-start=\"1505\" data-end=\"1527\"\u003eInteractive displays\u003c\/li\u003e\n\u003cli data-section-id=\"135fi7q\" data-start=\"1528\" data-end=\"1553\"\u003eDIY musical instruments\u003c\/li\u003e\n\u003cli data-section-id=\"7swblb\" data-start=\"1554\" data-end=\"1572\"\u003eSmart appliances\u003c\/li\u003e\n\u003cli data-section-id=\"1u407je\" data-start=\"1573\" data-end=\"1600\"\u003eRobotics and IoT projects\u003c\/li\u003e\n\u003cli data-section-id=\"vxy9l0\" data-start=\"1601\" data-end=\"1633\"\u003eHuman-machine interfaces (HMI)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1635\" data-end=\"1656\"\u003e\u003cstrong data-start=\"1635\" data-end=\"1656\"\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1657\" data-end=\"1704\"\u003e\n\u003cli data-section-id=\"sd8eid\" data-start=\"1657\" data-end=\"1704\"\u003e1 × MPR121 Capacitive Touch I2C Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IRNDS","offers":[{"title":"Default Title","offer_id":49507424796810,"sku":null,"price":100.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/6871\/0794\/files\/Capture1_274f1a1b-57a2-4335-9a5f-1ea01cbf38f8.png?v=1780730291"}],"url":"https:\/\/irnds.com\/collections\/capacitive-touch-sensors.oembed","provider":"IRNDS","version":"1.0","type":"link"}