{"product_id":"4x4-matrix-membrane-keypad","title":"4x4 Matrix Membrane Keypad","description":"\u003ch5 class=\"ui-accordion-header ui-helper-reset ui-state-default ui-state-active ui-corner-top\" role=\"tab\"\u003e4x4 Matrix Membrane Keypad Overview;\u003c\/h5\u003e\n\u003cdiv id=\"overview\" class=\"tabbed overview ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content-active\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"field-body\"\u003e\n\u003cp\u003eThis slim, 16-button keypad provides a useful human interface component for microcontroller projects.  Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. It is well-supported for use with the Propeller microcontroller by BlocklyProp blocks and projects, as well as a C library and tutorial; see the links under Additional Resources.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan class=\"forte\"\u003eKey Features:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-thin design \u0026amp; adhesive backing provides easy integration to any project\u003c\/li\u003e\n\u003cli\u003eEasy communication with any microcontroller\u003c\/li\u003e\n\u003cli\u003eCable included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan class=\"forte\"\u003eApplication Ideas:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eSecurity systems\u003c\/li\u003e\n\u003cli\u003eMenu selection\u003c\/li\u003e\n\u003cli\u003eData entry for embedded systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"ui-accordion-header ui-helper-reset ui-state-active ui-corner-top\" role=\"tab\"\u003e4x4 Matrix Membrane Keypad Details:\u003c\/h5\u003e\n\u003cdiv id=\"details\" class=\"tabbed details ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content-active\" role=\"tabpanel\"\u003e\n\u003cdiv class=\"field-tech\"\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum Rating: 24 VDC, 30 mA\u003c\/li\u003e\n\u003cli\u003eInterface: 8-pin access to 4x4 matrix\u003c\/li\u003e\n\u003cli\u003eDimensions: Keypad: 2.7 x 3.0 in (6.9 x 7.6 cm) Cable: 0.78 x 3.5 in (2.0 x 8.8 cm)\u003c\/li\u003e\n\u003cli\u003eOperating temp range: 32 to 122 °F (0 to 50 °C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eResource Links\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"http:\/\/learn.parallax.com\/support\/reference\/propeller-blocklyprop-block-reference\/sensor\/4-x-4-keypad\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBlocklyProp Keypad Block Reference\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(Learn site)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"http:\/\/learn.parallax.com\/tutorials\/language\/propeller-c\/propeller-c-simple-devices\/read-4x4-matrix-keypad\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKeypad Propeller C Tutorial\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(Learn site)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"http:\/\/learn.parallax.com\/tutorials\/language\/blocklyprop\/4x4-keypad-7-segment-led\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eKeypad and 7-segment LED BlocklyProp Tutorial\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(Learn site)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":53397221507381,"sku":"27899","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6307\/2821\/files\/f6e37128-27899.png?v=1787781825","url":"https:\/\/shop.parallax.com\/products\/4x4-matrix-membrane-keypad","provider":"Parallax Inc","version":"1.0","type":"link"}