\u9274\u4e8e\u76ee\u524d\u5728\u4f17\u591a\u65c5\u6e38\u3001\u5c55\u89c8\u4e2d\u4f9d\u8d56\u5bfc\u6e38\u8bb2\u89e3\uff0c\u5b58\u5728\u5bfc\u6e38\u5c11\u3002\u7f3a\u4e4f\u4e2a\u6027\u5316\u670d\u52a1\u7684\u7f3a\u70b9\uff0c\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8eRFID(\u5c04\u9891 \u8bc6\u522b)\u7684\u81ea\u52a9\u5bfc\u6e38\u8bed\u97f3\u8bb2\u89e3\u7cfb\u7edf\u65b9\u6848\u3002\u7cfb\u7edf\u7531RFID\u6807\u7b7e\u548c\u624b\u6301\u7ec8\u7aef\u7ec4\u6210\u3002\u624b\u6301\u7ec8\u7aef\u4e3b\u8981\u5305\u62ec5l\u7cfb\u5217\u5355\u7247\u673a AT89S8252\uff0cRFID\u5c04\u9891\u8bfb\u5361\u6a21\u5757WM\u4e000lTA\uff0c\u4ee5\u53ca\u8bed\u97f3\u5408\u6210\u6a21\u5757XF\u4e00$4240\u7b49\uff0c\u5728\u5355\u7247\u673a\u4e2d\u5b58\u50a8\u4e86\u5404\u5c55\u54c1\u7684\u8bed\u97f3\u8bb2\u89e3 \u7684\u6587\u672c\u4fe1\u606f\u3002\u5f53\u53c2\u89c2\u8005\u624b\u6301\u8be5\u7ec8\u7aef\u63a5\u8fd1\u5c55\u54c1\u6807\u7b7e\u65f6\uff0c\u5c04\u9891\u8bfb\u5361\u6a21\u5757\u8bfb\u53d6\u6807\u7b7e\u5361\u53f7\uff0c\u5355\u7247\u673a\u8bfb\u53d6\u76f8\u5e94\u5c55\u54c1\u7684\u8bed\u97f3\u8bb2\u89e3\u6587 \u672c\u4fe1\u606f\uff0c\u901a\u8fc7\u8bed\u97f3\u6a21\u5757\u8f6c\u6362\u4e3a\u8bed\u97f3\u4fe1\u53f7\u5b9e\u73b0\u8bb2\u89e3\u62a5\u8bfb\u3002\u6ee1\u8db3\u6e38\u5ba2\u7684\u81ea\u52a9\u5bfc\u6e38\u9700\u6c42\u3002\u8be5\u7cfb\u7edf\u8bbe\u8ba1\u53ef\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f17\u591a\u7684\u65c5 \u6e38\u666f\u70b9\u3001\u535a\u7269\u9986\u7b49\u8bb2\u89e3\u573a\u5408\u3002\u5728\u4f17\u591a\u65c5\u6e38\u666f\u70b9\u548c\u5c55\u89c8\u9986\u4e2d\uff0c\u53c2\u89c2\u8005\u89c2\u8d4f\u5c55\u54c1\u65f6\uff0c\u53ef\u770b \u7684\u5c55\u54c1\u867d\u591a\uff0c\u4f46\u4e86\u89e3\u7684\u8d44\u8baf\u5374\u5f88\u5c11\uff0c\u57fa\u672c\u4e0a\u8981\u4f9d\u8d56\u5bfc\u6e38\u8bb2\u89e3\u3002 \u7531\u4e8e\u5bfc\u6e38\u7f3a\u4e4f\u53ca\u8d39\u7528\u95ee\u9898\uff0c\u5927\u591a\u6570\u89c2\u4f17\u53ea\u80fd\u8d70\u9a6c\u89c2\u82b1\uff0c\u5c55\u89c8 \u8d28\u91cf\u4e0d\u9ad8fIl\u3002\u56e0\u6b64\uff0c\u8fd9\u91cc\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8eRFID(\u5c04\u9891\u8bc6\u522b\u6280\u672f) \u548c\u8bed\u97f3\u5408\u6210\u7684\u81ea\u52a9\u5bfc\u6e38\u8bb2\u89e3\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u4e00\u3001\u81ea\u52a9\u8bed\u97f3\u8bb2\u89e3\u7cfb\u7edf\u7684\u5de5\u4f5c\u539f\u7406 <\/strong><\/p>\n\n\n\n \u672c\u81ea\u52a9\u8bed\u97f3\u8bb2\u89e3\u7cfb\u7edf\u75312\u90e8\u5206\u6784\u6210\uff1aRFID\u7535\u5b50\u6807\u7b7e\u548c\u624b\u6301\u7ec8\u7aef\u3002\u624b\u6301\u7ec8\u7aef\u4e3b\u8981\u5305\u62ecAT89S8252\u5355\u7247\u673a\u3001\u975e\u63a5\u89e6\u5f0f IC\u5361\u8bfb\u5199\u53ca\u5c04\u9891\u6a21\u5757\u7535\u8def\u3001\u79d1\u5927\u8baf\u98deXF\u4e00$4240\u8bed\u97f3\u5408\u6210\u6a21\u5757\u3001\u7535\u6e90\u7535\u8def\u7b49\u3002\u5f53\u624b\u6301\u7ec8\u7aef\u68c0\u6d4b\u5230RFID\u7535\u5b50\u6807\u7b7e\uff0c\u4ea7\u751f\u4e2d\u65ad\uff0c\u8bfb\u53d6\u7535\u5b50\u6807\u7b7e\u4fe1\u606f\uff0c\u5373\u53ef\u8bc6\u522b\u51fa\u5c55\u54c1\u4ee3\u53f7\uff0c\u8c03\u7528\u5b58\u50a8\u5728\u5355\u7247\u673a\u4e2d\u7684\u672c\u5c55\u54c1\u7684\u8bed\u97f3\u8bb2\u89e3\u6587\u672c\uff0c\u901a\u8fc7\u8bed\u97f3\u5408\u6210\u6a21\u5757\uff0c\u7531\u8bed\u97f3\u653e\u5927\u7535\u8def\u8f93\u51fa\uff0c\u5b8c\u6210\u8bb2\u89e3\u4efb\u52a1\u3002<\/p>\n\n\n\n \u4e8c\u3001\u7cfb\u7edf\u786c\u4ef6\u8bbe\u8ba1 <\/strong><\/p>\n\n\n\n 2\uff0e1\u975e\u63a5\u89e6\u5f0f\u5c04\u9891\u8bfb\u5361\u5668 <\/p>\n\n\n\n \u7531\u4e8e\u975e\u63a5\u89e6\u5f0fIC\u5361\u4e0e\u8bfb\u5361\u8bbe\u5907\u65e0\u63a5\u89e6\uff0c\u5b83\u662f\u901a\u8fc7\u5c04\u9891\u7535\u78c1\u611f\u5e94\u4ece\u8bfb\u5199\u8bbe\u5907\u83b7\u53d6\u80fd\u91cf\u548c\u4ea4\u6362\u6570\u636e\uff0c\u8bfb\u5199\u64cd\u4f5c\u53ea\u9700\u8981\u5c06\u5361\u7247\u653e\u5728\u8bfb\u5199\u5668\u9644\u8fd1\u4e00\u5b9a\u7684\u8ddd\u79bb\u4e4b\u5185\u5c31\u80fd\u5b9e\u73b0\u6570\u636e\u4ea4\u6362\u548c\u8eab\u4efd\u8bc6\u522b\u7b49\uff0c\u4f7f\u7528\u65b9\u4fbf\u5feb\u6377\u3001\u4e0d\u6613\u635f\u574f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5b58\u53d6\u9891\u7e41\u3001\u53ef\u9760\u6027\u9ad8\u7684\u573a\u5408\u7530\u3002 \u672c\u7cfb\u7edf\u91c7\u7528\u5317\u4eac\u5b8c\u7f8e\u516c\u53f8\u7684WM-01TA\u6a21\u5757\u5220\u6765\u5b9e\u73b0\u3002 \u8be5\u6a21\u5757\u914d\u5957\u6709\u73af\u884c\u5929\u7ebf\uff0c\u5de5\u4f5c\u9891\u7387\u4e3a125 kHz\uff1b\u5177\u6709\u5f02\u6b65\u4e32\u884c \u901a\u8bafUART\u63a5\u53e3\uff1b\u9ed8\u8ba4\u4e32\u53e3\u6ce2\u7279\u7387\u4e3a9 600 b\uff0fs\uff0c\u65e0\u6821\u9a8c\uff0c8\u4f4d\u6570\u636e\u4f4d\u3002l\u4f4d\u505c\u6b62\u4f4d\uff1b\u53ef\u8bfb\u53d6EM\u53ea\u8bfb\u611f\u5e94\u4f53\uff0c\u8bfb\u5361\u8ddd\u79bb\u4e3a60\uff5e90mln\uff0c\u8bfb\u5361\u901f\u5ea6\u5927\u4e8e0\uff0e5s\uff0c\u5e76\u4e14\u91c7\u7528\u6807\u51c6IC\u5f15\u811aDIP40\u5f53\u5361\u7247\u8fdb\u5165\u611f\u5e94\u533a\u65f6\uff0c\u6a21\u5757\u5411\u4e32\u53e3\u53d1\u9001\u4e00\u6b21\u5361\u53f7\u3002\u5982\u679c\u5916\u578b\uff0c\u7279\u522b\u65b9\u4fbf\u5d4c\u5165\u5230\u76ee\u6807\u7ebf\u8def\u677f\u4e2d\u3002\u8be5\u5c04\u9891\u6a21\u5757\u5171\u67097\u4e2a \u5361\u7247\u672a\u79bb\u5f00\u611f\u5e94\u533a\uff0c\u6a21\u5757\u5219\u4e0d\u518d\u5411\u4e32\u53e3\u9001\u5361\u53f7\uff0c\u5982\u679c\u5361\u7247\u79bb\u5f15\u811a\uff0c\u5f15\u811a\u8bf4\u660e\u5982\u88681\u6240\u793a\u3002\u8be5\u5668\u4ef6\u4ef7\u683c\u4f4e\u5ec9\uff0c\u5b8c\u5168\u6ee1\u8db3\u8be5\u9879 \u5f00\u611f\u5e94\u533a\uff0c\u518d\u8fdb\u5165\u611f\u5e94\u533a\uff0c\u5219\u8be5\u6a21\u5757\u9700\u518d\u9001\u4e00\u6b21\u5361\u53f7\u3002<\/p>\n\n\n\n 2\uff0e2\u8bed\u97f3\u6a21\u5757XF\u2014s4240 <\/p>\n\n\n\n XF\u4e00$4240\u4e2d\u6587\u8bed\u97f3\u5408\u6210\u6a21\u5757\u662f\u4e2d\u79d1\u5927\u8baf\u98de\u4fe1\u606f\u79d1\u6280\u6709\u9650\u516c\u53f8\u9762\u5411\u9ad8\u7aef\u5e94\u7528\u63a8\u51fa\u7684\u5d4c\u5165\u5f0f\u4e2d\u6587\u8bed\u97f3\u5408\u6210\u6a21\u5757\u3002\u53ef\u652f\u6301\u4efb\u610f\u7684\u4e2d\u6587\u6587\u672c\u3001\u82f1\u6587\u5b57\u6bcd\u7684\u8bed\u97f3\u5408\u6210\u3002\u8be5\u6a21\u5757\u901a\u8fc7\u5f02\u6b65 \u4e32\u53e3(UART)\uff0cSPI\u63a5\u53e3\u53ca12C\u603b\u7ebf3\u79cd\u65b9\u5f0f\u63a5\u6536\u5f85\u5408\u6210\u7684\u6587\u672c\uff0c\u76f4\u63a5\u5408\u6210\u4e3a\u8bed\u97f3\u8f93\u51fa14t\u3002\u8be5\u6a21\u5757\u652f\u6301GB2312\u3001GBK\u3001BIG5\u3001 UNICODE\u7b494\u79cd\u5185\u7801\u683c\u5f0f\u7684\u6587\u672c\u3002\u5177\u6709\u667a\u80fd\u7684\u6587\u672c\u5206\u6790\u5904 \u7406\u7b97\u6cd5\uff0c\u5e76\u652f\u6301\u591a\u79cd\u63a7\u5236\u547d\u4ee4\uff0c\u5305\u62ec\uff1a\u5408\u6210\u3001\u505c\u6b62\u3001\u6682\u505c\u5408\u6210\u3001 \u7ee7\u7eed\u5408\u6210\u7b49\u3002<\/p>\n\n\n\n 2\uff0e3 AT89S8252\u5355\u7247\u673a <\/p>\n\n\n\n \u672c\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\uff0c\u5c04\u9891\u8bfb\u5361\u6a21\u5757\u5177\u6709UART\u63a5I\uff1a1\uff0c\u8bed\u97f3\u5408\u6210\u6a21\u5757\u5177\u6709UART\u548cSPI\u63a5\u53e3\u3002\u7531\u4e8e\u666e\u901a5l\u5355\u7247\u673a\u53ea\u6709\u4e00 \u4e2a\u4e32\u53e3\uff0c\u56e0\u6b64\u5b58\u5728\u4e32\u53e3\u7684\u6269\u5c55\u95ee\u9898\u3002AT89C8252\u5355\u7247\u673a151\u662f ATMEL\u516c\u53f8\u76848\u4f4d\u5fae\u5904\u7406\u5668\uff0e\u5177\u6709SPI\u63a5I=I\u662fAT89S8252 \u4e0d\u540c\u4e8e\u5176\u4ed6\u5355\u7247\u673a\u7684\u4e3b\u8981\u7279\u70b9\uff0c\u5b83\u4e0e51\u5355\u7247\u673a\u5b8c\u5168\u517c\u5bb9\uff0c\u4f46 \u5728P1 13(\u5176\u4e2d\u7684P1\uff0e4\uff5eP1\uff0e7)\u4e0a\u6269\u5c55\u4e86SPI\u63a5\u53e3\u3002\u53ef\u4ee5\u5f88\u65b9\u4fbf \u5730\u4e0e\u8bed\u97f3\u6a21\u5757\u901a\u4fe1\uff0c\u56e0\u6b64\uff0c\u5728\u672c\u7cfb\u7edf\u9009\u62e9AT89S8252\uff0c\u53ef\u4ee5\u5927 \u5927\u7b80\u5316\u7cfb\u7edf\u7684\u8f6f\u786c\u4ef6\u8bbe\u8ba1\u3002 \u87ca(PI\uff0e4)\uff1a\u4ece\u4f7f\u80fd\u8f93\u5165\u5f15\u811a\uff0c\u4f4e\u7535\u5e73\u6709\u6548\uff1bMOSI(P1\uff0e5)\uff1a\u4e3b\u6570\u636e\u8f93\u51fa\u6216\u4ece\u6570\u636e\u8f93\u5165\u5f15\u811a\uff1bMISO(P1\uff0e6)\uff1a\u4e3b\u6570\u636e\u8f93\u5165\u6216\u4ece\u6570 \u636e\u8f93\u51fa\u5f15\u811a\uff1aSCK(PI\uff0e7)\uff1a\u4e3b\u65f6\u949f\u8f93\u51fa\u6216\u4ece\u65f6\u949f\u8f93\u5165\u5f15\u811a\u3002 AT89S8252\u5171\u67093\u4e2aSPI\u5bc4\u5b58\u5668\u3002\u5206\u522b\u662f\u63a7\u5236\u5bc4\u5b58\u5668 SPCR\u3001\u72b6\u6001\u5bc4\u5b58\u5668SPsR\u548c\u6570\u636e\u5bc4\u5b58\u5668SPDR\u3002<\/p>\n\n\n\n \u4e09\u3001\u7cfb\u7edf\u8f6f\u4ef6\u6d41\u7a0b<\/strong><\/p>\n\n\n\n \u8f6f\u4ef6\u7cfb\u7edf\u7531\u4e3b\u7a0b\u5e8f\u3001\u8bfb\u5361\u5b50\u7a0b\u5e8f\u3001\u8bed\u97f3\u5904\u7406\u7a0b\u5e8f\u7ec4\u6210\u3002\u5176 \u4e2d\uff0c\u4e3b\u7a0b\u5e8f\u5b8c\u6210\u7cfb\u7edf\u7684\u521d\u59cb\u5316(\u5305\u62ecUART\u521d\u59cb\u5316\u548cSPI\u521d \u59cb\u5316\u65e7)\u3002\u5982\u679c\u6709\u5c04\u9891\u5361\u63a5\u8fd1\u5929\u7ebf\uff0e\u5219\u8bfb\u5361\u6a21\u5757\u901a\u8fc7\u4e32I=1\u4e2d\u65ad \u53d1\u9001TAG\u4fe1\u606f\u7ed9\u5355\u7247\u673a\u3002\u5355\u7247\u673a\u5c06\u6b64\u6807\u7b7e\u4fe1\u606f\u4e0e\u5b58\u50a8\u7684\u5361 \u53f7\u4fe1\u606f\u6bd4\u5bf9\uff0c\u4ece\u800c\u8c03\u7528\u76f8\u5e94\u7684\u8bed\u97f3\u6587\u672c\u4fe1\u606f\u9001\u5230XF\u4e00$4240 \u6a21\u5757\uff0c\u64ad\u653e\u76f8\u5e94\u7684\u8bed\u97f3\u3002<\/p>\n\n\n\n \u56db\u3001\u7ed3\u8bba<\/p>\n\n\n\n \u7528MSP430\u5355\u7247\u673a\u7814\u5236\u7684\u80c0\u7ba1\u673a\u6210\u672c\u4f4e\u3002\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u5bbd\uff0c\u6269\u5c55\u80fd\u529b\u5f3a\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7814\u3002\u540c\u65f6\uff0c\u5355\u7247\u673a\u5185\u90e8\u7684\u6a21\u6570\u8f6c\u6362\u6a21\u5757\u53c8\u5927\u5927\u51cf\u5c11\u4e86\u7535\u8def\u677f\u9762\u79ef\u53ca\u5176\u4ed6\u5916\u56f4\u6269\u5c55\u5668\u4ef6\uff0e\u4f7f\u5f97 \u6574\u5957\u5de5\u5177\u4f53\u79ef\u5c0f\uff0c\u4fbf\u4e8e\u4f7f\u7528\u3002\u8be5\u80c0\u7ba1\u673a\u53ef\u6302\u63a5300\u3001400\u3001600 W3\u79cd\u4e0d\u540c\u529f\u7387\u7684\u9a71\u52a8\u7535\u673a\uff1b\u5168\u6570\u5b57\u663e\u793a\u8bbe\u5b9a\u503c\u548c\u5b9e\u65f6\u503c\uff1b\u7528\u6309 \u952e\u64cd\u4f5c\u8fdb\u884c\u80c0\u529b\u7684\u6570\u5b57\u8bbe\u5b9a\u548c\u8c03\u8282\uff1b\u5bf9\u6302\u8f7d\u4e0d\u540c\u529f\u7387\u7684\u9a71\u52a8 \u7535\u673a\uff0c\u81ea\u52a8\u63d0\u793a\u6240\u5141\u8bb8\u8bbe\u5b9a\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff1b\u81ea\u52a8\u68c0\u6d4b\u9a71 \u52a8\u7535\u673a\u662f\u5426\u5de5\u4f5c\u6b63\u5e38\uff1b\u64cd\u4f5c\u65f6\u6709\u58f0\u3001\u5149\u63d0\u793a\u529f\u80fd\uff0c\u64cd\u4f5c\u7b80\u4fbf\u3001 \u76f4\u89c2\u3001\u7075\u6d3b\uff1bLED\u6307\u793a\u5de5\u4f5c\u65f6\u7684\u72b6\u6001\uff1b\u80fd\u81ea\u52a8\u8bb0\u5f55\u548c\u663e\u793a\u80c0\u7ba1 \u7684\u6b21\u6570\uff1b\u5177\u6709\u6f0f\u7535\u4fdd\u62a4\u529f\u80fd\u3002\u8be5\u80c0\u7ba1\u673a\u4f18\u70b9\u7a81\u51fa\u3002\u5728\u56fd\u5185\u591a\u5bb6 \u4f01\u4e1a\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u53d7\u5230\u4e00\u81f4\u597d\u8bc4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u9274\u4e8e\u76ee\u524d\u5728\u4f17\u591a\u65c5\u6e38\u3001\u5c55\u89c8\u4e2d\u4f9d\u8d56\u5bfc\u6e38\u8bb2\u89e3\uff0c\u5b58\u5728\u5bfc\u6e38\u5c11\u3002\u7f3a\u4e4f\u4e2a\u6027\u5316\u670d\u52a1\u7684\u7f3a\u70b9\uff0c\u63d0\u51fa\u4e00\u79cd\u57fa\u4e8eRFID(\u5c04\u9891 \u8bc6\u522b)\u7684…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[61],"class_list":["post-3379","post","type-post","status-publish","format-standard","hentry","category-cat35","tag-61","category-35","description-off"],"_links":{"self":[{"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/posts\/3379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3379"}],"version-history":[{"count":2,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/posts\/3379\/revisions"}],"predecessor-version":[{"id":7607,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=\/wp\/v2\/posts\/3379\/revisions\/7607"}],"wp:attachment":[{"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3379"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.91jiangjie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}