{"product_id":"1x4-matrix-membrane-keypad-4-key-button-switch-4x1-numeric-keypad-for-arduino-esp32-raspberry-pi-diy-electronics","title":"1x4 Matrix Membrane Keypad 4 Key Button Switch | 4x1 Numeric Keypad for Arduino, ESP32, Raspberry Pi \u0026 DIY Electronics","description":"\u003cp\u003eThe 1x4 Matrix Keypad is a compact 4-button membrane keypad designed for user input applications in electronic projects, embedded systems, and microcontroller-based applications. It features four tactile keys arranged in a single row matrix configuration, providing a simple and reliable interface for entering commands, numbers, or control signals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1133\" data-end=\"1150\" class=\"PDq2pG_selectionAnchorContainer\"\u003eSpecifications\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1152\" data-end=\"1764\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1152\" data-end=\"1181\"\u003e\n\u003ctr data-start=\"1152\" data-end=\"1181\"\u003e\n\u003cth data-start=\"1152\" data-end=\"1164\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1164\" data-end=\"1181\" data-col-size=\"md\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1213\" data-end=\"1764\"\u003e\n\u003ctr data-start=\"1213\" data-end=\"1258\"\u003e\n\u003ctd data-start=\"1213\" data-end=\"1228\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"1228\" data-end=\"1258\" data-col-size=\"md\"\u003e1x4 Matrix Membrane Keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1259\" data-end=\"1309\"\u003e\n\u003ctd data-start=\"1259\" data-end=\"1279\" data-col-size=\"sm\"\u003eKey Configuration\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1279\" data-end=\"1309\"\u003e4 Keys (1 Row × 4 Columns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1310\" data-end=\"1343\"\u003e\n\u003ctd data-start=\"1310\" data-end=\"1330\" data-col-size=\"sm\"\u003eNumber of Buttons\u003c\/td\u003e\n\u003ctd data-start=\"1330\" data-end=\"1343\" data-col-size=\"md\"\u003e4 Buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1344\" data-end=\"1378\"\u003e\n\u003ctd data-start=\"1344\" data-end=\"1361\" data-col-size=\"sm\"\u003eInterface Type\u003c\/td\u003e\n\u003ctd data-start=\"1361\" data-end=\"1378\" data-col-size=\"md\"\u003eMatrix Keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1379\" data-end=\"1443\"\u003e\n\u003ctd data-start=\"1379\" data-end=\"1396\" data-col-size=\"sm\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1396\" data-end=\"1443\"\u003eFlexible Tail \/ Pin Header (Based on Model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1444\" data-end=\"1480\"\u003e\n\u003ctd data-start=\"1444\" data-end=\"1464\" data-col-size=\"sm\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd data-start=\"1464\" data-end=\"1480\" data-col-size=\"md\"\u003e3.3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1481\" data-end=\"1520\"\u003e\n\u003ctd data-start=\"1481\" data-end=\"1502\" data-col-size=\"sm\"\u003eContact Resistance\u003c\/td\u003e\n\u003ctd data-start=\"1502\" data-end=\"1520\" data-col-size=\"md\"\u003eLow Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1521\" data-end=\"1553\"\u003e\n\u003ctd data-start=\"1521\" data-end=\"1532\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"1532\" data-end=\"1553\" data-col-size=\"md\"\u003eFlexible Membrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1554\" data-end=\"1596\"\u003e\n\u003ctd data-start=\"1554\" data-end=\"1565\" data-col-size=\"sm\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1565\" data-end=\"1596\"\u003eAdhesive Back \/ Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1597\" data-end=\"1632\"\u003e\n\u003ctd data-start=\"1597\" data-end=\"1613\" data-col-size=\"sm\"\u003eResponse Life\u003c\/td\u003e\n\u003ctd data-start=\"1613\" data-end=\"1632\" data-col-size=\"md\"\u003eHigh Durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1633\" data-end=\"1701\"\u003e\n\u003ctd data-start=\"1633\" data-end=\"1653\" data-col-size=\"sm\"\u003eCompatible Boards\u003c\/td\u003e\n\u003ctd data-start=\"1653\" data-end=\"1701\" data-col-size=\"md\"\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1702\" data-end=\"1764\"\u003e\n\u003ctd data-start=\"1702\" data-end=\"1716\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1716\" data-end=\"1764\"\u003eUser Input, Control Panels, Embedded Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1766\" data-end=\"1769\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1771\" data-end=\"1786\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1788\" data-end=\"2232\"\u003e\n\u003cli data-section-id=\"1pnzk8p\" data-start=\"1788\" data-end=\"1822\"\u003eCompact 1x4 matrix keypad design\u003c\/li\u003e\n\u003cli data-section-id=\"1ezjdx9\" data-start=\"1823\" data-end=\"1873\"\u003eFour independent push buttons in a single module\u003c\/li\u003e\n\u003cli data-section-id=\"1mbjt8\" data-start=\"1874\" data-end=\"1922\"\u003eRequires fewer GPIO pins using matrix scanning\u003c\/li\u003e\n\u003cli data-section-id=\"1q91fb8\" data-start=\"1923\" data-end=\"1967\"\u003eThin and lightweight membrane construction\u003c\/li\u003e\n\u003cli data-section-id=\"1dyfzin\" data-start=\"1968\" data-end=\"2008\"\u003eEasy integration with microcontrollers\u003c\/li\u003e\n\u003cli data-section-id=\"jhmxae\" data-start=\"2009\" data-end=\"2032\"\u003eLow power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1o4kvkj\" data-start=\"2033\" data-end=\"2060\"\u003eReliable button operation\u003c\/li\u003e\n\u003cli data-section-id=\"ldrdxa\" data-start=\"2061\" data-end=\"2108\"\u003eSuitable for embedded and automation projects\u003c\/li\u003e\n\u003cli data-section-id=\"df2byy\" data-start=\"2109\" data-end=\"2178\"\u003eCompatible with Arduino, ESP32, Raspberry Pi, and other controllers\u003c\/li\u003e\n\u003cli data-section-id=\"1wa0dgs\" data-start=\"2179\" data-end=\"2232\"\u003eIdeal for DIY electronics and robotics applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2234\" data-end=\"2237\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2239\" data-end=\"2254\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"2256\" data-end=\"2538\"\u003e\n\u003cli data-section-id=\"1n538ti\" data-start=\"2256\" data-end=\"2281\"\u003eArduino keypad projects\u003c\/li\u003e\n\u003cli data-section-id=\"qxi2ay\" data-start=\"2282\" data-end=\"2305\"\u003ePassword lock systems\u003c\/li\u003e\n\u003cli data-section-id=\"p519b1\" data-start=\"2306\" data-end=\"2331\"\u003eSecurity access control\u003c\/li\u003e\n\u003cli data-section-id=\"wfn3bd\" data-start=\"2332\" data-end=\"2360\"\u003eDigital door lock projects\u003c\/li\u003e\n\u003cli data-section-id=\"b5lxnb\" data-start=\"2361\" data-end=\"2386\"\u003eRobotics control panels\u003c\/li\u003e\n\u003cli data-section-id=\"15a7wvy\" data-start=\"2387\" data-end=\"2415\"\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli data-section-id=\"y8y318\" data-start=\"2416\" data-end=\"2430\"\u003eIoT projects\u003c\/li\u003e\n\u003cli data-section-id=\"7rvilp\" data-start=\"2431\" data-end=\"2458\"\u003eMenu selection interfaces\u003c\/li\u003e\n\u003cli data-section-id=\"4dm4gg\" data-start=\"2459\" data-end=\"2477\"\u003eEmbedded systems\u003c\/li\u003e\n\u003cli data-section-id=\"1aacywo\" data-start=\"2478\" data-end=\"2512\"\u003eEducational electronics projects\u003c\/li\u003e\n\u003cli data-section-id=\"1g7shc5\" data-start=\"2513\" data-end=\"2538\"\u003eDIY automation projects\u003c\/li\u003e\n\u003cli data-section-id=\"1g7shc5\" data-start=\"2513\" data-end=\"2538\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":47970613264542,"sku":null,"price":59.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/0002752_MAIN_c018fa2e-d1e9-4247-8ea5-9e57d83a8e37.webp?v=1783932365","url":"https:\/\/majestronicz.in\/products\/1x4-matrix-membrane-keypad-4-key-button-switch-4x1-numeric-keypad-for-arduino-esp32-raspberry-pi-diy-electronics","provider":"MAJESTRONICZ","version":"1.0","type":"link"}