{"product_id":"mpr121-breakout-v12-proximity-keyboard-capacitive-touch-sensor-i2c-keyboard-development-board-controller-module","title":"MPR121 Breakout V12 Proximity Keyboard Capacitive Touch Sensor I2C Keyboard Development Board Controller Module","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThe MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eLow power operation, 1.71 V to 3.6 V supply operation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eThere a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to ground, meaning the default I2C address of the chip will be 0x5A.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e29μA supply current at 16 ms sampling interval period.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e3 μA Stop mode current.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e12 capacitance sensing inputs.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e8 inputs are multifunctional for LED driver and GPIO.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eComplete touch detection.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAuto-configuration for each sensing input.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eAuto-calibration for each sensing input.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eTouch\/release threshold and debounce for touch detection.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eI2C interface, with Interrupt output.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eMPR121: 3 mm x 3 mm x 0.65 mm .\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e-40°C to +85°C operating temperature range.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003ePackage Include:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003e1\/3PCS MPR121 Development Board\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"start\"\u003e\u003cspan style='background-color:rgb(255, 255, 0);color:rgb(0, 0, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e(please choose the model and quantity you need,we will send the goods according to your choice.)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:center;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box' align=\"center\"\u003e\u003cimg width=\"800\" height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/S45991adc7b52409aa6a82ca83cda65b44.jpg\" slate-data-type=\"image\"\u003e\u003cimg width=\"800\" height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/S93b0a4e145ae4887b3d1fd11c5c4f4ddN.jpg\" slate-data-type=\"image\"\u003e\u003cimg width=\"800\" height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1be662ddec764bac88a1759f59c408f8w.jpg\" slate-data-type=\"image\"\u003e\u003cimg width=\"800\" height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4db5ee7d06fc4c888d0d41974bb4c61cU.jpg\" slate-data-type=\"image\"\u003e\u003cimg width=\"800\" height=\"800\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf879157663384c9faf6ff60cd76ccb2bX.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"MPR121 \/ 1PCS","offer_id":55449498911019,"sku":"14:366#MPR121;3:201010228#1PCS","price":13.05,"currency_code":"USD","in_stock":false},{"title":"MPR121 \/ 3PCS","offer_id":55449498943787,"sku":"14:366#MPR121;3:1981284404#3PCS","price":19.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sf879157663384c9faf6ff60cd76ccb2bX.webp?v=1788759921","url":"https:\/\/yoeruyo.com\/products\/mpr121-breakout-v12-proximity-keyboard-capacitive-touch-sensor-i2c-keyboard-development-board-controller-module","provider":"Yoeruyo","version":"1.0","type":"link"}