{"id":98914,"date":"2024-11-07T15:31:22","date_gmt":"2024-11-07T07:31:22","guid":{"rendered":"\/\/www.viralrail.com\/?p=98914"},"modified":"2024-11-07T15:31:26","modified_gmt":"2024-11-07T07:31:26","slug":"lwxmkbtlykzslzmsz","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98914.html","title":{"rendered":"LoRa\u65e0\u7ebf\u6a21\u5757\u6ce2\u7279\u7387\u4e0e\u7a7a\u4e2d\u901f\u7387\u600e\u4e48\u8bbe\u7f6e"},"content":{"rendered":"\n

\u3000\u3000\u8bbe\u7f6eLoRa\u65e0\u7ebf\u6a21\u5757<\/strong>\u7684\u6ce2\u7279\u7387<\/strong>\u548c\u7a7a\u4e2d\u901f\u7387<\/strong>\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u8bbe\u5907\u8981\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bbe\u7f6e\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u30001. \u6ce2\u7279\u7387\u8bbe\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6ce2\u7279\u7387\u662f\u6307\u4e32\u53e3\u901a\u4fe1\u7684\u901f\u5ea6\uff0c\u5e38\u89c1\u7684\u6ce2\u7279\u7387\u503c\u5305\u62ec9600\u300119200\u300138400\u7b49\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8bb8\u591aLoRa\u6a21\u5757\u7684\u6ce2\u7279\u7387\u4e3a9600bps\u3002<\/p>\n\n\n\n

\u3000\u3000\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u547d\u4ee4\u6765\u8bbe\u7f6e\u6ce2\u7279\u7387\uff0c\u4f8b\u5982\u4f7f\u7528\u547d\u4ee4AT+BUAD=<\u503c>\uff0c\u5176\u4e2d<\u503c>\u4e3a\u6ce2\u7279\u7387\u7684\u5177\u4f53\u6570\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5982\u679c\u8fde\u63a5\u7684\u8bbe\u5907\u6ce2\u7279\u7387\u4e0d\u540c\uff0c\u9700\u8981\u5c06\u6ce2\u7279\u7387\u8bbe\u7f6e\u4e3a\u4e00\u81f4\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u3002<\/p>\n\n\n\n

\u3000\u30002. \u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u7a7a\u4e2d\u901f\u7387\u4e5f\u79f0\u4e3a\u7a7a\u4e2d\u6ce2\u7279\u7387\u6216\u4fe1\u9053\u901f\u7387\uff0c\u8868\u793a\u65e0\u7ebf\u901a\u4fe1\u7684\u901f\u5ea6\uff0c\u5355\u4f4d\u4e3abps(\u6bcf\u79d2\u4f20\u8f93\u7684\u6bd4\u7279\u6570)\u3002<\/p>\n\n\n\n

\u3000\u3000\u7a7a\u4e2d\u901f\u7387\u7684\u8303\u56f4\u901a\u5e38\u5728\u51e0\u5341\u5230\u51e0\u767ekbps\u4e4b\u95f4\uff0c\u5177\u4f53\u901f\u7387\u53d6\u51b3\u4e8e\u4f20\u8f93\u529f\u7387\u3001\u6269\u9891\u56e0\u5b50\u548c\u8c03\u5236\u65b9\u5f0f\u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n

\u3000\u3000\u8bbe\u7f6e\u7a7a\u4e2d\u901f\u7387\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u5982AT+SPD1=\uff0c\u5176\u4e2d\u4e3a\u901f\u7387\u7b49\u7ea7\uff0c\u8303\u56f4\u901a\u5e38\u4e3a4\u523011.\u4e0d\u540c\u7684\u901f\u7387\u7b49\u7ea7\u5bf9\u5e94\u4e0d\u540c\u7684\u7406\u8bba\u5cf0\u503c\u901f\u7387\uff0c\u4f8b\u5982\u7b49\u7ea77\u5bf9\u5e94\u7684\u901f\u7387\u4e3a2929.7bps\u3002<\/p>\n\n\n\n

\u3000\u3000\u8bbe\u7f6e\u7a7a\u4e2d\u901f\u7387\u65f6\uff0c\u901a\u4fe1\u53cc\u65b9\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4\uff0c\u5426\u5219\u65e0\u6cd5\u6b63\u5e38\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u30003. \u6ce8\u610f\u4e8b\u9879<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6ce2\u7279\u7387\u8d8a\u9ad8\uff0c\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8d8a\u5feb\uff0c\u4f46\u53ef\u80fd\u4f1a\u589e\u52a0\u9519\u8bef\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u7a7a\u4e2d\u901f\u7387\u8d8a\u9ad8\uff0c\u5ef6\u8fdf\u8d8a\u5c0f\uff0c\u4f46\u901a\u4fe1\u8ddd\u79bb\u53ef\u80fd\u7f29\u77ed\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u914d\u7f6e\u8fc7\u7a0b\u4e2d\uff0c\u5efa\u8bae\u63a7\u5236\u6570\u636e\u5305\u5927\u5c0f\u548c\u53d1\u9001\u95f4\u9694\u65f6\u95f4\uff0c\u4ee5\u907f\u514d\u6570\u636e\u79ef\u538b\u548c\u6ea2\u51fa\u3002<\/p>\n\n\n\n

\u3000\u3000\u5408\u7406\u8bbe\u7f6e\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u5bf9\u4e8e\u786e\u4fddLoRa\u65e0\u7ebf\u6a21\u5757\u7684\u9ad8\u6548\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002\u7528\u6237\u5e94\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u8bbe\u5907\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5e76\u786e\u4fdd\u901a\u4fe1\u53cc\u65b9\u7684\u53c2\u6570\u4e00\u81f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u6a21\u5757\u6ce2\u7279\u7387\u8bbe\u7f6e\u5bf9\u901a\u4fe1\u9519\u8bef\u7387\u7684\u5f71\u54cd<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u8bbe\u7f6e\u5bf9\u901a\u4fe1\u9519\u8bef\u7387(Packet Error Rate\uff0cPER)\u6709\u4e00\u5b9a\u7684\u5f71\u54cd\u3002\u6ce2\u7279\u7387\u662f\u4e32\u53e3\u901a\u8baf\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u5b83\u51b3\u5b9a\u4e86\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u548c\u6548\u7387\u3002\u5982\u679c\u6ce2\u7279\u7387\u8bbe\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u901a\u4fe1\u9519\u8bef\u7387\u589e\u52a0\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728LoRa\u901a\u4fe1\u4e2d\uff0c\u6ce2\u7279\u7387\u7684\u9009\u62e9\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u6570\u636e\u5305\u5927\u5c0f\u3001\u53d1\u9001\u95f4\u9694\u65f6\u95f4\u4ee5\u53ca\u4fe1\u9053\u6761\u4ef6\u7b49\u3002\u5982\u679c\u6ce2\u7279\u7387\u8bbe\u7f6e\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5305\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\uff0c\u5c24\u5176\u662f\u5728\u4fe1\u9053\u6761\u4ef6\u4e0d\u4f73\u7684\u60c5\u51b5\u4e0b\u3002\u6b64\u5916\uff0c\u6ce2\u7279\u7387\u8bbe\u7f6e\u8fd8\u5e94\u4e0e\u8bbe\u5907\u7684\u5176\u4ed6\u53c2\u6570\u4fdd\u6301\u4e00\u81f4\uff0c\u4ee5\u786e\u4fdd\u6574\u4e2a\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u53e6\u5916\uff0cLoRa\u6a21\u5757\u4f7f\u7528\u524d\u5411\u7ea0\u9519(FEC)\u6280\u672f\u6765\u63d0\u9ad8\u94fe\u8def\u7684\u9c81\u68d2\u6027\uff0c\u8fd9\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u964d\u4f4e\u8bef\u7801\u7387\u3002\u7136\u800c\uff0cFEC\u6280\u672f\u867d\u7136\u53ef\u4ee5\u63d0\u9ad8\u94fe\u8def\u53ef\u9760\u6027\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u4f20\u8f93\u65f6\u95f4\uff0c\u56e0\u6b64\u5728\u9009\u62e9\u6ce2\u7279\u7387\u65f6\u9700\u8981\u6743\u8861\u4f20\u8f93\u901f\u5ea6\u548c\u8bef\u7801\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u8bbe\u7f6e\u5bf9\u901a\u4fe1\u9519\u8bef\u7387\u6709\u76f4\u63a5\u5f71\u54cd\u3002\u5408\u7406\u7684\u6ce2\u7279\u7387\u8bbe\u7f6e\u53ef\u4ee5\u51cf\u5c11\u901a\u4fe1\u9519\u8bef\uff0c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u9009\u62e9LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u7a7a\u4e2d\u901f\u7387?<\/h2>\n\n\n\n

\u3000\u3000\u9009\u62e9LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u7a7a\u4e2d\u901f\u7387\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u6765\u51b3\u5b9a\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5178\u578b\u7684\u5e94\u7528\u573a\u666f\u53ca\u5176\u5bf9\u5e94\u7684\u7a7a\u4e2d\u901f\u7387\u9009\u62e9\u5efa\u8bae\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u957f\u8ddd\u79bb\u901a\u4fe1<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u9700\u8981\u8986\u76d6\u8f83\u8fdc\u8ddd\u79bb\u7684\u5e94\u7528\u4e2d\uff0c\u5982\u667a\u80fd\u7269\u6d41\u6216\u667a\u80fd\u5de5\u5382\u4e2d\u7684\u8bbe\u5907\u901a\u4fe1\uff0c\u8f83\u4f4e\u7684\u7a7a\u4e2d\u901f\u7387(\u4f8b\u59820.018kbps\u523037.5kbps)\u53ef\u4ee5\u63d0\u4f9b\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u8fd9\u662f\u56e0\u4e3a\u4f4e\u901f\u7387\u901a\u5e38\u4e0e\u66f4\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u548c\u66f4\u5bbd\u7684\u4fe1\u9053\u5e26\u5bbd\u76f8\u7ed3\u5408\uff0c\u4ece\u800c\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u4f20\u64ad\u8303\u56f4\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u30002. \u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5bf9\u4e8e\u9700\u8981\u5feb\u901f\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u4e2d\u7684\u4f20\u611f\u5668\u6570\u636e\u4f20\u8f93\u6216\u65e0\u4eba\u673a\u7684\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\uff0c\u8f83\u9ad8\u7684\u7a7a\u4e2d\u901f\u7387(\u4f8b\u598221.87kbps\u523062.5kbps)\u66f4\u4e3a\u9002\u7528\u3002\u8fd9\u79cd\u901f\u7387\u80fd\u591f\u652f\u6301\u66f4\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u53ef\u80fd\u4f1a\u727a\u7272\u4e00\u5b9a\u7684\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f4e\u529f\u8017\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u4e2d\uff0c\u5982\u65e0\u7ebf\u9065\u63a7\u5668\u6216\u533b\u7597\u4fdd\u5065\u4ea7\u54c1\uff0c\u4f4e\u7a7a\u4e2d\u901f\u7387(\u4f8b\u59820.976kbps)\u53ef\u4ee5\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u3002\u4f4e\u901f\u7387\u6709\u52a9\u4e8e\u51cf\u5c11\u529f\u8017\uff0c\u56e0\u4e3a\u4f20\u8f93\u65f6\u95f4\u66f4\u957f\uff0c\u6bcf\u6b21\u4f20\u8f93\u7684\u6570\u636e\u91cf\u8f83\u5c11\u3002<\/p>\n\n\n\n

\u3000\u30004. \u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0cLoRa\u6280\u672f\u5e38\u7528\u4e8e\u8bbe\u5907\u95f4\u7684\u65e0\u7ebf\u901a\u4fe1\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7a7a\u4e2d\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u957f\u8ddd\u79bb\u7684\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u4f4e\u7684\u7a7a\u4e2d\u901f\u7387;\u800c\u5728\u9700\u8981\u5feb\u901f\u54cd\u5e94\u548c\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\u4e0b\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u8f83\u9ad8\u7684\u7a7a\u4e2d\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u30005. \u7269\u8054\u7f51\uff08IoT\uff09\u5e94\u7528<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\uff0cLoRa\u6280\u672f\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u4f20\u611f\u5668\u548c\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u7a7a\u4e2d\u901f\u7387\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u8986\u76d6\u5e7f\u57df\u4e14\u6570\u636e\u91cf\u8f83\u5c0f\u7684\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u4f4e\u7684\u7a7a\u4e2d\u901f\u7387;\u800c\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u8f83\u9ad8\u7684\u7a7a\u4e2d\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u65e0\u7ebf\u6a21\u5757\u5728\u4e0d\u540c\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u4e0b\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u6570\u636e\u5305\u5927\u5c0f\u9650\u5236<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u6a21\u5757\u5728\u4e0d\u540c\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u4e0b\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u6570\u636e\u5305\u5927\u5c0f\u9650\u5236\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u8c03\u6574\u6269\u9891\u56e0\u5b50(SF)\u3001\u5e26\u5bbd(BW)\u548c\u7f16\u7801\u7387\u6765\u5e73\u8861\u6570\u636e\u901f\u7387\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u5141\u8bb8\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u76f8\u5e94\u7684\u6570\u636e\u901f\u7387\u4f1a\u964d\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u6700\u4f73\u73af\u5883\u4e0b\uff0cLoRa\u7684\u6700\u5927\u7a7a\u7a7a\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe15\u5343\u7c73\uff0c\u8fd9\u662f\u5728\u6700\u4f4e\u901f\u7387(BW=7.8kHz, FEC=4\/8. SF=4096 chips\/symbol, \u7ea61.43bps)\u4e0b\u53d6\u5f97\u7684\u6210\u7ee9\u3002<\/p>\n\n\n\n

\u3000\u3000\u5ba4\u5185\/\u5e02\u533a\u901a\u4fe1\u8ddd\u79bb\u4e3a1km\u81f33.5km\uff0c\u6237\u5916\/\u89c6\u8ddd\u901a\u4fe1\u8ddd\u79bb\u4e3a3.5km\u81f311.5km\u3002<\/p>\n\n\n\n

\u3000\u3000\u57ce\u5e02\u5185(\u6709\u969c\u788d\u7269)\u7684\u901a\u4fe1\u8ddd\u79bb\u901a\u5e38\u4e3a2-5\u516c\u91cc\uff0c\u800c\u5728\u5f00\u9614\u5730\u5e26(\u65e0\u969c\u788d\u7269)\u53ef\u4ee5\u8fbe\u523020\u516c\u91cc\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6570\u636e\u5305\u5927\u5c0f\u9650\u5236<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5757\u7684\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u901a\u5e38\u4e3a255\u5b57\u8282\u6216256\u5b57\u8282\u3002\u8fd9\u4e00\u9650\u5236\u662f\u7531\u4e8eLoRa\u7269\u7406\u5c42\u5e27\u683c\u5f0f\u7684\u5b9a\u4e49\uff0c\u5176\u4e2d\u6709\u6548\u8f7d\u8377\u90e8\u5206\u7684\u6700\u5927\u957f\u5ea6\u7531\u5730\u5740\u5bc4\u5b58\u5668\u4e2d\u7684\u8bbe\u7f6e\u51b3\u5b9a\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u6570\u636e\u5305\u5927\u5c0f\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u6ce2\u7279\u7387\u3001\u7a7a\u4e2d\u901f\u7387\u3001\u6269\u9891\u56e0\u5b50\u3001\u5e26\u5bbd\u548c\u7f16\u7801\u7387\u7b49\u3002\u8f83\u9ad8\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u4f1a\u589e\u52a0\u6570\u636e\u4f20\u8f93\u901f\u5ea6\uff0c\u4f46\u4f1a\u51cf\u5c11\u4f20\u8f93\u8ddd\u79bb;<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u4e2d\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u914d\u7f6e\u53ca\u5176\u89e3\u51b3\u65b9\u6848?<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u4e2d\uff0c\u5e38\u89c1\u7684\u9519\u8bef\u914d\u7f6e\u53ca\u5176\u89e3\u51b3\u65b9\u6848\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u8fc7\u9ad8<\/strong>\uff1a<\/h3>\n\n\n\n
    \n
  • \u3000\u3000\u9519\u8bef\u914d\u7f6e<\/strong>\uff1a\u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u8fc7\u9ad8\u4f1a\u5bfc\u81f4\u901a\u4fe1\u8ddd\u79bb\u7f29\u77ed\uff0c\u56e0\u4e3a\u7a7a\u4e2d\u901f\u7387\u8d8a\u9ad8\uff0c\u4fe1\u53f7\u7684\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fd1\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u5e94\u6839\u636e\u5b9e\u9645\u901a\u4fe1\u9700\u6c42\u5408\u7406\u8bbe\u7f6e\u7a7a\u4e2d\u901f\u7387\u3002\u5982\u679c\u9700\u8981\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u5e94\u964d\u4f4e\u7a7a\u4e2d\u901f\u7387\u4ee5\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u30002. \u6ce2\u7279\u7387\u8bbe\u7f6e\u4e0d\u4e00\u81f4<\/strong>\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u9519\u8bef\u914d\u7f6e<\/strong>\uff1a\u6ce2\u7279\u7387\u662f\u4e32\u53e3\u901a\u4fe1\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u5982\u679cSTM32\u7684\u4e32\u53e3\u914d\u7f6e\u4e0eLoRa\u6a21\u5757\u7684\u6ce2\u7279\u7387\u4e0d\u4e00\u81f4\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u4f20\u8f93\u5931\u8d25\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u786e\u4fddSTM32\u7684\u4e32\u53e3\u914d\u7f6e\u4e0eLoRa\u6a21\u5757\u7684\u6ce2\u7279\u7387\u4e00\u81f4\uff0c\u901a\u5e38\u9009\u62e9115200bps\u4f5c\u4e3a\u6807\u51c6\u6ce2\u7279\u7387\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30003. \u7535\u6e90\u7535\u538b\u4f4e\u4e8e\u63a8\u8350\u503c<\/strong>\uff1a<\/h2>\n\n\n\n
        \n
      • \u3000\u3000\u9519\u8bef\u914d\u7f6e<\/strong>\uff1a\u5ba4\u6e29\u4e0b\u7535\u6e90\u4f4e\u538b\u4f4e\u4e8e\u63a8\u8350\u503c\uff0c\u7535\u538b\u8d8a\u4f4e\u53d1\u529f\u7387\u8d8a\u5c0f\uff0c\u8fd9\u4f1a\u5f71\u54cd\u6a21\u5757\u7684\u6b63\u5e38\u5de5\u4f5c\u548c\u901a\u4fe1\u6548\u679c\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u8bf7\u68c0\u67e5\u4f9b\u7535\u7535\u6e90\uff0c\u786e\u4fdd\u5728\u63a8\u8350\u4f9b\u7535\u7535\u538b\u4e4b\u95f4\uff0c\u5982\u8d85\u8fc7\u6700\u5927\u503c\u4f1a\u9020\u6210\u6a21\u5757\u6c38\u4e45\u6027\u635f\u574f;\u8bf7\u68c0\u67e5\u7535\u6e90\u7a33\u5b9a\u6027\uff0c\u7535\u538b\u4e0d\u80fd\u5927\u5e45\u9891\u7e41\u6ce2\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30004. \u5929\u7ebf\u5339\u914d\u7a0b\u5ea6\u8f83\u5dee\u6216\u5929\u7ebf\u54c1\u8d28\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n
          \n
        • \u3000\u3000\u9519\u8bef\u914d\u7f6e<\/strong>\uff1a\u4f7f\u7528\u4e0e\u6a21\u5757\u5339\u914d\u7a0b\u5ea6\u8f83\u5dee\u7684\u5929\u7ebf\u6216\u5929\u7ebf\u672c\u8eab\u54c1\u8d28\u95ee\u9898\uff0c\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u8870\u51cf\u4e25\u91cd\uff0c\u5f71\u54cd\u901a\u4fe1\u6548\u679c\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u9009\u62e9\u4e0eLoRa\u6a21\u5757\u5339\u914d\u7a0b\u5ea6\u9ad8\u7684\u5929\u7ebf\uff0c\u5e76\u786e\u4fdd\u5929\u7ebf\u54c1\u8d28\u826f\u597d\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000\u516d\u3001 \u5982\u4f55\u5e73\u8861LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u4ee5\u4f18\u5316\u901a\u4fe1\u6548\u7387?<\/h2>\n\n\n\n

          \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e73\u8861LoRa\u65e0\u7ebf\u6a21\u5757\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u4ee5\u4f18\u5316\u901a\u4fe1\u6548\u7387\u9700\u8981\u8003\u8651\u591a\u4e2a\u56e0\u7d20\u3002\u9996\u5148\uff0c\u7a7a\u4e2d\u901f\u7387(\u4e5f\u79f0\u4e3a\u7a7a\u4e2d\u6ce2\u7279\u7387)\u8868\u793aLoRa\u65e0\u7ebf\u901a\u8baf\u901f\u7387\uff0c\u5355\u4f4d\u4e3abps\u3002\u7a7a\u4e2d\u901f\u7387\u8d8a\u9ad8\uff0c\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8d8a\u5feb\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u4f1a\u53d8\u77ed\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1LoRa\u5e94\u7528\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8c03\u5236\u65b9\u5f0f\u6765\u5e73\u8861\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e3a\u4e86\u9632\u6b62\u6570\u636e\u6d41\u91cf\u95ee\u9898\u5bfc\u81f4\u7684\u6570\u636e\u4e22\u5931\uff0c\u5f53UART\u6ce2\u7279\u7387\u8d85\u8fc7\u7a7a\u4e2d\u901f\u7387\u65f6\uff0c\u5e94\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u5982\u679cUART\u6ce2\u7279\u7387\u4e3a9600 bps\u800c\u7a7a\u4e2d\u901f\u7387\u4e3a4800 bps\uff0c\u5219\u9700\u8981\u95f4\u9694\u4f20\u8f93\u65f6\u95f4\u4ee5\u907f\u514d\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u7ea0\u9519\u7f16\u7801\u7387\u3001\u8c03\u5236\u5e26\u5bbd\u548c\u6269\u9891\u56e0\u5b50\u7b49\u53c2\u6570\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5728\u9009\u62e9\u5177\u4f53\u7684\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u65f6\uff0c\u8fd8\u9700\u8981\u8003\u8651\u6a21\u5757\u7684\u5177\u4f53\u89c4\u683c\u3002\u4f8b\u5982\uff0c\u67d0\u4e9bLoRa\u6a21\u5757\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684UART\u6ce2\u7279\u7387\u9009\u9879(\u59821200 bps\u5230115200 bps)\u548c\u7a7a\u4e2d\u901f\u7387\u9009\u9879(\u59820.3kbps\u523019.2kbps)\uff0c\u5e76\u4e14\u901a\u4fe1\u53cc\u65b9\u7684\u7a7a\u4e2d\u901f\u7387\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u5408\u7406\u8bbe\u7f6e\u6ce2\u7279\u7387\u548c\u7a7a\u4e2d\u901f\u7387\u5bf9\u4e8e\u786e\u4fddLoRa\u65e0\u7ebf\u6a21\u5757\u7684\u9ad8\u6548\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002\u7528\u6237\u5e94\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u8bbe\u5907\u9700\u6c42\u8fdb\u884c\u8c03\u6574\uff0c\u5e76\u786e\u4fdd\u901a\u4fe1\u53cc\u65b9\u7684\u53c2\u6570\u4e00\u81f4\u3002<\/p>\n","protected":false},"author":1,"featured_media":97633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[388],"class_list":["post-98914","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-loramodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98914"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=98914"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98914\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98914"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}