{"id":3878,"date":"2023-03-15T22:35:37","date_gmt":"2023-03-15T14:35:37","guid":{"rendered":"https:\/\/resource.webduino.io\/?p=3878"},"modified":"2023-03-15T22:35:37","modified_gmt":"2023-03-15T14:35:37","slug":"rfid","status":"publish","type":"docs","link":"https:\/\/resource.webduino.io\/docs\/socket\/sensor\/rfid","title":{"rendered":"RFID \u611f\u61c9"},"content":{"rendered":"

RFID \u662f Radio Frequency IDentification \u7684\u7e2e\u5beb\uff0c\u4e2d\u6587\u7ffb\u8b6f\u70ba\u300c\u7121\u7dda\u5c04\u983b\u8fa8\u8b58\u300d( \u4e0d\u662f NFC )\uff0c\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u7121\u7dda\u901a\u8a0a\u6280\u8853\u3002\u900f\u904e RFID \u8b58\u5225\u88dd\u7f6e ( \u8b80\u5361\u5668 ) \u6240\u7522\u751f\u7684\u300c\u96fb\u78c1\u5834\u300d\uff0c\u80fd\u8b93\u9644\u8457\u5728\u7269\u54c1\u4e0a\u7684\u300c\u96fb\u5b50\u6a19\u7c64\u300d\u7372\u5f97\u80fd\u91cf\u9032\u800c\u767c\u9001\u7121\u7dda\u96fb\u983b\u7387\u7684\u8a0a\u865f\uff0cRFID \u5728\u4eca\u65e5\u76f8\u7576\u7684\u666e\u53ca\uff0c\u5e38\u898b\u65bc\u5eab\u5b58\u3001\u8cc7\u7522\u3001\u4eba\u54e1\u7b49\u7684\u8ffd\u8e64\u8207\u7ba1\u7406\uff0c\u751a\u81f3\u8a31\u591a\u7684\u9632\u507d\u3001\u755c\u7522\u7ba1\u7406\u4e5f\u90fd\u6709 RFID \u7684\u8eab\u5f71\u5b58\u5728\uff0c\u8209\u51e1\u6211\u5011\u65e5\u5e38\u751f\u6d3b\u9580\u7981\u5361\u3001\u60a0\u904a\u5361\u3001\u611f\u61c9\u6263…\u7b49\uff0c\u90fd\u4e0d\u4e4f\u662f RFID \u7684\u76f8\u95dc\u61c9\u7528\u3002<\/p>\n

\u8a8d\u8b58 RFID<\/h2>\n

\u9019\u88cf\u4f7f\u7528\u7684 RFID \u8b58\u5225\u88dd\u7f6e\u7684\u578b\u865f\u70ba\u300cRC522\u300d\uff0cRC522 \u4e3b\u8981\u91dd\u5c0d 13.56MHZ \u7684\u7121\u7dda\u96fb\u983b\u7387\u8b58\u5225<\/strong>\uff0c\u5de5\u4f5c\u96fb\u58d3\u70ba 3.3V \uff0c\u4e0a\u982d\u5171\u6709\u516b\u652f\u63a5\u8173\uff0c\u5206\u5225\u662f SDA\u3001SCK\u3001MOSI\u3001MISO\u3001IRQ\u3001GND\u3001RST\u3001VCC\uff0c\u5176\u4e2d SDA\u3001SCK\u3001MOSI\u3001MISO \u8ca0\u8cac\u8a0a\u865f\u7684\u8f38\u5165\u548c\u8f38\u51fa\u3002<\/p>\n

\n

\u53c3\u8003\uff1ahttps:\/\/goo.gl\/wypRNE<\/a><\/p>\n<\/blockquote>\n

\"RFID\"<\/p>\n

\u56e0\u70ba\u539f\u672c\u4f7f\u7528\u7684 Webduino \u99ac\u514b\u4e00\u865f\u8173\u4f4d\u592a\u5c11\uff0c\u6240\u4ee5\u5728\u9019\u88e1\u5fc5\u9808\u4f7f\u7528 Arudino UNO \u548c Webduino Fly \u96f2\u7aef\u64f4\u5145\u677f\u642d\u914d\u9032\u884c\uff0c\u4e0d\u904e\u56e0\u70ba\u662f\u5169\u53f0\u88dd\u7f6e\u9023\u52d5\uff0c\u4ecd\u7136\u662f\u4f7f\u7528\u99ac\u514b\u4e00\u865f\u4f86\u63a7\u5236\u667a\u6167\u63d2\u5ea7\u3002<\/p>\n

\u7531\u65bc Arduino UNO \u672c\u8eab\u7684\u6578\u4f4d\u8173\u5404\u81ea\u6709\u5404\u81ea\u7684\u529f\u80fd\uff0c\u56e0\u6b64\u6211\u5011\u5c07SDA \u63a5 10\uff0cSCK \u63a5 13\uff0cMOSI \u63a5 11\uff0cMISO \u63a5 12<\/strong>\uff0cGND \u5247\u63a5\u5728 GND\uff0c3.3V \u63a5\u5728 3.3V \u7684\u4f4d\u7f6e\u3002( \u6ce8\u610f\u4e0d\u8981\u63a5\u6210 5V \u6216 VCC\uff0c\u53ef\u80fd\u6703\u71d2\u58de<\/strong>\uff0cIRQ \u662f\u4e2d\u65b7\u7684\u8173\u4f4d\uff0cRST \u662f\u91cd\u7f6e\u7684\u8173\u4f4d\uff0c\u9019\u88e1\u5c31\u4e0d\u9700\u8981\u63a5\u9019\u5169\u500b\u63a5\u8173 )<\/p>\n

\"Webduino<\/p>\n

\u5982\u679c\u662f\u4f7f\u7528 Webduino Smart \uff0c\u56e0\u70ba\u8173\u4f4d\u7684\u5c0d\u61c9\u529f\u80fd\u4e0d\u540c\uff0c\u6240\u4ee5\u63a5\u7dda\u65b9\u5f0f\u6539\u628a 15 \u63a5 SDA\uff0c14 \u63a5 SCK\uff0c13 \u63a5 MOSI\uff0c12 \u63a5 MISO\uff0cGND \u63a5 GND\uff0c3.3V \u63a5 3.3V \u7684\u4f4d\u7f6e\u3002<\/p>\n

\"Webduino<\/p>\n

\u63a5\u597d\u7dda\u4e4b\u5f8c\u5148\u7528 Webduino Blockly \u7dda\u4e0a\u7de8\u8f2f\u5de5\u5177 ( https:\/\/blockly.webduino.io<\/a> ) \u6e2c\u8a66\uff0c\u653e\u5165\u958b\u767c\u677f\uff0c\u8f38\u5165\u88dd\u7f6e\u7684 ID\uff0c\u7136\u5f8c\u653e\u5165 RFID \u7a4d\u6728\uff0c\u8173\u4f4d\u56fa\u5b9a\u70ba 10\u300113\u300111 \u548c 12\uff0c\u7136\u5f8c\u5c07\u5075\u6e2c\u5230\u7684\u5361\u865f\u986f\u793a\u5728\u7db2\u9801\u88e1\u3002<\/p>\n

\"\u8a2d\u5b9a<\/p>\n

\n

\u76f8\u95dc\u6559\u5b78\uff1aRFID<\/a>\u3001RFID ( \u63a7\u5236 Youtube )<\/a><\/p>\n

\n

\u7bc4\u4f8b\u89e3\u7b54 ( \u9ad4\u9a57\u7248 )\uff1ahttps:\/\/goo.gl\/RsdAhj<\/a><\/p>\n<\/blockquote>\n

\u57f7\u884c\u4e4b\u5f8c\uff0c\u7528\u60a0\u904a\u5361\u6216\u9580\u7981\u5361\u53bb\u611f\u61c9\u8b80\u5361\u6a5f\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u5361\u865f\u51fa\u73fe\u4e86\u3002\u4f46\u56e0\u70ba RFID \u6709\u5206\u983b\u7387 ( \u76ee\u524d\u5e02\u9762\u4e0a\u7528\u7684\u983b\u7387\u6709 6 \u7a2e\uff0c\u5206\u5225\u662f 135KHz \u4ee5\u4e0b\u300113.56 MHz\u3001433.92 MHz\u3001860M~930 MHz\u30012.45GHz \u548c 5.8GHz )\uff0c\u9019\u88cf\u6211\u4f7f\u7528\u7684 RC522 \u7684\u8b58\u5225\u88dd\u7f6e\u4e3b\u8981\u91dd\u5c0d 13.56 MHz \u7684\u983b\u6bb5\u8b58\u5225\uff0c\u56e0\u6b64\u90e8\u5206\u7684\u5361\u7247\u53ef\u80fd\u6703\u51fa\u73fe\u611f\u61c9\u4e0d\u5230\u7684\u72c0\u6cc1\u3002( 13.56MHz \u4ee3\u8868\u6027\u61c9\u7528\u70ba\u6703\u54e1\u5361\u3001\u8b58\u5225\u8b49 )<\/p>\n

\"\u986f\u793a<\/p>\n

Webduino \u7a0b\u5f0f\u7528\u6cd5<\/h2>\n

RFID \u7684\u5ba3\u544a\u4f7f\u7528 getRFID(board)<\/code> \uff0c\u4e0d\u7528\u52a0\u4e0a\u8173\u4f4d\uff0c\u56e0\u70ba\u8173\u4f4d\u662f\u56fa\u5b9a\u7684\u3002<\/p>\n

rfid = getRFID(board);\n<\/code><\/pre>\n
\u958b\u59cb\u5075\u6e2c\u4e4b\u524d\uff0c\u8981\u5148\u653e\u5165 rfid.read();<\/code> \u7684\u547d\u4ee4\uff1b\u5982\u679c\u8981\u505c\u6b62\u5075\u6e2c\uff0c\u5247\u662f\u4f7f\u7528 rfid.stopRead();<\/code>\u3002\u800c\u5075\u6e2c\u7684\u65b9\u5f0f\u4f7f\u7528 .on(event, callback)<\/code>\uff0cevent \u6709\u5169\u7a2e\uff0c enter<\/code> \u8868\u793a\u5075\u6e2c\u5230\u5361\u7247\u9760\u8fd1\u3001leave<\/code> \u8868\u793a\u5075\u6e2c\u5230\u5361\u7247\u96e2\u958b\u3002<\/p>\n
rfid.read();  \/\/\u8981\u505c\u6b62\u5c31\u4f7f\u7528rfid.stopRead();\nrfid.on(\"enter\",function(_uid){\n});\nrfid.on(\"leave\",function(_uid){\n});\n<\/code><\/pre>\n
\u7db2\u9801\u63a7\u5236<\/h2>\n
\u628a\u4e00\u584a\u88dd\u7f6e\u958b\u767c\u677f\u63a5 RFID\uff0c\u53e6\u4e00\u584a\u88dd\u7f6e\u63a5\u667a\u6167\u63d2\u5ea7 ( \u8173\u4f4d 10 )\uff0c\u5176\u5be6\u4e0d\u4e00\u5b9a\u8981\u9019\u6a23\u505a\uff0c\u7528\u540c\u4e00\u584a\u958b\u767c\u677f\u4e5f\u53ef\u4ee5\u5b8c\u6210\uff0c\u53ea\u662f\u7528\u5169\u584a\u66f4\u80fd\u51f8\u986f\u300cWi-Fi\u300d\u64cd\u63a7\u7684\u80fd\u529b\u3002<\/p>\n
\"\u667a\u6167\u63d2\u5ea7\u8207<\/p>\n
HTML \u7684\u90e8\u5206\u5148\u5728\u81ea\u5df1\u7684\u7db2\u9801\u5167\u5f15\u5165\u300c webduino-min.js \u300d\u9084\u6709\u300c webduino-blockly.js \u300d\u9019\u5169\u500b JavaScript\uff0c\u9019\u6a23\u6211\u5011\u624d\u6709\u64cd\u63a7\u958b\u767c\u677f\u4ee5\u53ca RFID \u7684 API \u53ef\u4ee5\u4f7f\u7528\u3002\u5728 body<\/code> \u7684\u5340\u57df\u653e\u5165\u4e00\u500b h2<\/code> \u4f86\u986f\u793a\u4e00\u4e9b\u6587\u5b57\u8a0a\u606f\uff0c\u7136\u5f8c\u653e\u5165\u5169\u5f35\u71c8\u6ce1\u4e00\u660e\u4e00\u6697\u7684\u5716\u7247\uff0c\u8b93\u5075\u6e2c\u5230\u8a0a\u865f\u7684\u6642\u5019\uff0c\u7db2\u9801\u4e0a\u7684\u71c8\u6ce1\u4e5f\u6703\u767c\u751f\u53cd\u61c9\u3002( \u56e0\u70ba RFID \u6709\u300c\u8b80\u53d6\u300d\u8207\u300c\u505c\u6b62\u8b80\u53d6\u300d\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u505a\u500b\u6309\u9215\u5207\u63db\uff0c\u4e0d\u904e\u57fa\u672c\u4e0a\u5982\u679c\u662f\u9580\u7981\u7cfb\u7d71\uff0c\u61c9\u8a72\u5c31\u662f 24 \u5c0f\u6642\u904b\u4f5c\u4e86 )<\/p>\n
<html>\n<head>\n  <meta charset=\"utf-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no\">\n  <title>Webduino<\/title>\n  <script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.9.1\/jquery.min.js\"><\/script>\n  <script src=\"https:\/\/webduino.io\/components\/webduino-js\/dist\/webduino-all.min.js\"><\/script>\n  <script src=\"https:\/\/blockly.webduino.io\/webduino-blockly.js\"><\/script>\n<\/head>\n\n<body>\n  <h2 id=\"show\"><\/h2>\n  <img src=\"http:\/\/example.oxxostudio.tw\/it2016\/it2016-day05-on.webp\" id=\"on\">\n  <img src=\"http:\/\/example.oxxostudio.tw\/it2016\/it2016-day05-off.webp\" class=\"show\" id=\"off\">\n<\/body>\n<\/html>\n<\/code><\/pre>\n
CSS \u7684\u90e8\u5206\u5c31\u53ea\u662f\u5beb\u500b\u7c21\u55ae\u7684\u63a7\u5236\u71c8\u6ce1\u5716\u7247\u6709\u6c92\u6709\u51fa\u73fe\u800c\u5df2\u3002<\/p>\n
img{\n  display:none;\n}\n.show{\n  display:block;\n}\n<\/code><\/pre>\n
JavaScript \u7684\u8aaa\u660e\u5c31\u76f4\u63a5\u5beb\u5728\u7a0b\u5f0f\u78bc\u88e1\u982d\uff0c\u4e00\u958b\u59cb\u7684 a \u8b8a\u6578\u4f5c\u70ba\u78ba\u8a8d\u5169\u584a\u958b\u767c\u677f\u540c\u6642\u4e0a\u7dda\uff0c\u7136\u5f8c\u5224\u65b7\u662f\u54ea\u5f35\u5361\u865f\uff0c\u5982\u679c\u662f\u6307\u5b9a\u5361\u865f\u7684\u8a71\u5c31\u9ede\u71c8\uff0c\u5982\u679c\u4e0d\u662f\u5c31\u7184\u71c8\u3002( \u4e0d\u904e\u4e00\u958b\u59cb\u4ecd\u7136\u8981\u5148\u5237\u4e00\u6b21\u8a18\u9304\u5361\u865f )<\/p>\n
$(function(){\n\n  var rfid,\n      led,\n      $show=$('#show'),\n      $on = $('#on'),\n      $off = $('#off'),\n      a = 0;\n\n  \/\/\u8a2d\u5b9a\u7b2c\u4e00\u584a\u88dd\u7f6e\u63a5\u667a\u6167\u63d2\u5ea7\u71c8\u6ce1\n  boardReady('\u88dd\u7f6e 1 \u7684 ID', function (board) {\n    board.systemReset();\n    board.samplingInterval = 250;\n    led = getLed(board, 10); \/\/\u8a2d\u5b9a LED \u70ba 10 \u865f\u8173\n    a = a+1;\n    if(a===2){\n      allReady(); \/\/\u78ba\u8a8d\u5169\u584a\u677f\u5b50\u90fd\u4e0a\u7dda\u4e86\u5c31\u57f7\u884c\n    }\n  });\n\n  \/\/\u8a2d\u5b9a\u7b2c\u4e8c\u584a\u88dd\u7f6e\u63a5 RFID\n  boardReady('\u88dd\u7f6e 2 \u7684 ID', function (board) {\n    board.systemReset();\n    board.samplingInterval = 250;\n    rfid = getRFID(board); \/\/\u8a2d\u5b9a RFID\n    a = a+1;\n    if(a===2){\n      allReady(); \/\/\u78ba\u8a8d\u5169\u584a\u677f\u5b50\u90fd\u4e0a\u7dda\u4e86\u5c31\u57f7\u884c\n    }\n  });\n\n  \/\/\u78ba\u8a8d\u5169\u584a\u677f\u5b50\u90fd\u4e0a\u7dda\u4e86\u8981\u57f7\u884c\u7684\u52d5\u4f5c\n  function allReady(){\n    $show.text('\u5075\u6e2c\u4e2d...');\n    rfid.read();  \/\/\u8981\u505c\u6b62\u5c31\u4f7f\u7528rfid.stopRead();\n    rfid.on(\"enter\",function(_uid){\n      $show.text(_uid); \/\/\u5361\u865f\u53ea\u8981\u5148\u5075\u6e2c\u4e00\u6b21\u5c31\u77e5\u9053\u4e86\n      if(_uid==='9D36202B'){\n        led.on();\n        $on.addClass('show');\n        $off.removeClass('show');\n      }else{\n        led.off();\n        $on.removeClass('show');\n        $off.addClass('show');\n      }\n    });\n  }\n\n});\n<\/code><\/pre>\n
\u6253\u958b\u7db2\u9801\u4e4b\u5f8c\uff0c\u7528\u4e0d\u540c\u7684\u5361\u53bb\u5237\u611f\u61c9\u5668\uff0c\u5c31\u6703\u767c\u73fe\u7279\u5b9a\u7684\u5361\u53ef\u4ee5\u958b\u71c8\uff0c\u5176\u5b83\u7684\u5361\u5247\u662f\u95dc\u71c8\u3002<\/p>\n
\"\"<\/p>\n
\u5c0f\u7d50<\/h2>\n
RFID \u7684\u61c9\u7528\u975e\u5e38\u7684\u591a\uff0c\u9664\u4e86\u9019\u7a2e\u7c21\u55ae\u7684\u5237\u5361\uff0c\u66f4\u53ef\u4ee5\u62ff\u4f86\u61c9\u7528\u5728\u5be6\u969b\u7684\u4e0a\u4e0b\u73ed\u6253\u5361\u7cfb\u7d71\uff0c\u6216\u662f\u8ddf\u4e00\u4e9b\u4e92\u52d5\u85dd\u8853\u3001\u684c\u904a\u7d50\u5408\u3002\u4f8b\u5982\u5728\u795e\u660e\u516c\u4ed4\u7684\u5c41\u80a1\u9ecf\u5f35\u5361\u7247\uff0c\u516c\u4ed4\u7684\u6905\u5b50\u4e0a\u9762\u662f\u611f\u61c9\u5668\uff0c\u9019\u6a23\u5b50\u6bcf\u63db\u4e0d\u540c\u7684\u516c\u4ed4\uff0c\u5c31\u53ef\u4ee5\u81ea\u52d5\u64ad\u653e\u4e0d\u540c\u7684\u5c0d\u61c9\u52d5\u756b\u3002<\/p>\n
\n
\u53c3\u8003\u8cc7\u6599<\/p>\n