{"product_id":"mpr121-capacitive-touch-shield-module-sensitive-3x4-key-keyboard-for-arduino","title":"Maxbell MPR121 Capacitive Touch Shield Module Sensitive 3x4 Key Keyboard for Arduino","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\t\tThe MPR121 capacitive keypad uses the MPR121 and 12 touch sensitive pads to give you a simple 'keypad' with an I2C output\u003c\/li\u003e\n\t\u003cli\u003e\n\t\tThe board also has four mounting holes allowing it to be used as an input system in place of traditional buttons\u003c\/li\u003e\n\t\u003cli\u003e\n\t\tThese keypads function by measuring the capacitance of twelve electrode points\u003c\/li\u003e\n\t\u003cli\u003e\n\t\tWhen an object comes close to the electrode connector, the measured capacitance changes. This signals the MPR121 that something has touched a ‘button’\u003c\/li\u003e\n\t\u003cli\u003e\n\t\tSize:approx.75*50*3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\t\t1x MPR121 Capacitive Touch Keypad Shield Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\t\tThis keypad outputs 3.3V logic. If you are using a board which only accepts 5V logic, you will run into a problem. You will want to use a logic level converter, or a board which accepts 3.3V logic\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Aladdin Shoppers: Best Online Shopping site in India - Shop Now!","offers":[{"title":"Default Title","offer_id":42852847354037,"sku":"51009172","price":687.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2570\/5654\/products\/51009172_1_image.jpg?v=1682642942","url":"https:\/\/aladdinshoppers.com\/products\/mpr121-capacitive-touch-shield-module-sensitive-3x4-key-keyboard-for-arduino","provider":"Aladdin Shoppers","version":"1.0","type":"link"}