{"id":93521,"date":"2024-06-01T10:53:39","date_gmt":"2024-06-01T02:53:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=93521"},"modified":"2024-06-01T10:53:43","modified_gmt":"2024-06-01T02:53:43","slug":"lxymzxnjs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/93521.html","title":{"rendered":"LoRa\u534f\u8bae\u6a21\u7ec4\u6027\u80fd\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000LoRa\u534f\u8bae\u6a21\u7ec4\u662f\u4e00\u79cd\u57fa\u4e8eLoRa\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\u3002\u4ee5\u4e0b\u662f\u5bf9LoRa\u534f\u8bae\u6a21\u7ec4\u6027\u80fd\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u4ee5\u5176\u8d85\u4f4e\u529f\u8017\u7279\u6027\u800c\u8457\u79f0\uff0c\u9002\u5408\u4e8e\u9700\u8981\u957f\u671f\u8fd0\u884c\u7684\u8bbe\u5907\u3002\u4f8b\u5982\uff0cKG200Z\u6a21\u7ec4\u652f\u6301\u8d85\u4f4e\u529f\u8017\u548c\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u4f20\u8f93\u573a\u666f\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4e8e\u7269\u8054\u7f51\u9886\u57df\u3002\u4f8b\u5982\uff0cDCH\u6a21\u7ec4\u53ef\u4ee5\u5b9e\u73b0\u7406\u8bba\u4e0a2\u516c\u91cc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u652f\u6301\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\uff0c\u5982FSK\u3001GFSK\u3001MSK\u3001GMSK\u3001LoRa\u53caOOK\u7b49\u3002\u8fd9\u4e9b\u8c03\u5236\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u9009\u62e9\uff0c\u4ee5\u4f18\u5316\u901a\u4fe1\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u901a\u5e38\u5177\u6709\u8f83\u9ad8\u7684\u6027\u4ef7\u6bd4\u3002\u4f8b\u5982\uff0cRL\u7cfb\u5217\u4e8c\u4ee3LoRa\u6a21\u7ec4\u57fa\u4e8eSemtech\u516c\u53f8\u7684\u7b2c\u4e8c\u4ee3LoRa\u5c04\u9891\u96c6\u6210\u82af\u7247LLCC68\u5f00\u53d1\uff0c\u652f\u6301470MHz~510MHz\u7684\u8d85\u5bbd\u5de5\u4f5c\u9891\u6bb5\uff0c\u53d1\u5c04\u529f\u7387\u5927\u5c0f\u53ef\u901a\u8fc7\u8f6f\u4ef6\u914d\u7f6e\uff0c\u6700\u5927\u529f\u7387\u53ef\u8fbe22dBm\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u5728\u8bbe\u8ba1\u4e0a\u6ce8\u91cd\u5c0f\u5c3a\u5bf8\uff0c\u4ee5\u4fbf\u4e8e\u96c6\u6210\u5230\u5404\u79cd\u8bbe\u5907\u4e2d\u3002\u4f8b\u5982\uff0cL71\u6a21\u7ec4\u5c3a\u5bf8\u4ec5\u4e3a17.5\u00d716.3\u00d72.5mm\uff0c\u91c7\u7528LCC\u5c01\u88c5\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u901a\u5e38\u91c7\u7528AES\u786c\u4ef6\u52a0\u5bc6\u673a\u5236\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff0cKG200Z\u6a21\u7ec4\u91c7\u7528AES\u786c\u4ef6\u52a0\u5bc6\u673a\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000\u8bb8\u591aLoRa\u6a21\u7ec4\u652f\u6301LoRaWAN\u6807\u51c6\u534f\u8bae\uff0c\u8fd9\u662f\u4e00\u79cd\u4e13\u4e3a\u7269\u8054\u7f51\u8bbe\u8ba1\u7684\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\uff0c\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u7684\u8fde\u63a5\u6570\u548c\u66f4\u4f4e\u7684\u529f\u8017\u3002\u4f8b\u5982\uff0cKG200Z\u6a21\u7ec4\u652f\u6301LoRaWAN\u6807\u51c6\u534f\u8bae\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u5177\u6709\u826f\u597d\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u80fd\u591f\u5728\u590d\u6742\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002\u4f8b\u5982\uff0c\u57fa\u4e8eESP32-C2\u7684Wi-Fi\/BLE\u548cLoRa\u6a21\u7ec4\u5177\u6709\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u6167\u5bb6\u5ead\u3001\u667a\u6167\u519c\u4e1a\u3001\u667a\u6167\u5de5\u4e1a\u7b49\u573a\u666f\u3002\u4f8b\u5982\uff0c\u57fa\u4e8eESP32-C2\u7684Wi-Fi\/BLE\u548cLoRa\u6a21\u7ec4\u53ef\u4ee5\u7528\u4e8e\u667a\u6167\u5bb6\u5ead\u3001\u667a\u6167\u519c\u4e1a\u3001\u667a\u6167\u5de5\u4e1a\u7b49\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u7ec4\u901a\u5e38\u63d0\u4f9b\u7075\u6d3b\u7684\u63a5\u53e3\u8bbe\u8ba1\uff0c\u5982SPI\u3001UART\u7b49\uff0c\u4ee5\u4fbf\u4e8e\u4e0e\u5176\u4ed6\u8bbe\u5907\u6216\u7cfb\u7edf\u8fdb\u884c\u8fde\u63a5\u3002\u4f8b\u5982\uff0cRL\u7cfb\u5217\u4e8c\u4ee3LoRa\u6a21\u7ec4\u63d0\u4f9bSPI\u63a5\u53e3\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u534f\u8bae\u6a21\u7ec4\u51ed\u501f\u5176\u8d85\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u4f20\u8f93\u3001\u9ad8\u6027\u4ef7\u6bd4\u3001\u5c0f\u5c3a\u5bf8\u8bbe\u8ba1\u3001\u786c\u4ef6\u52a0\u5bc6\u3001\u652f\u6301LoRaWAN\u6807\u51c6\u534f\u8bae\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u4ee5\u53ca\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u91cd\u8981\u901a\u4fe1\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u534f\u8bae\u6a21\u7ec4\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u534f\u8bae\u6a21\u7ec4\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n