{"id":96891,"date":"2024-08-16T16:37:20","date_gmt":"2024-08-16T08:37:20","guid":{"rendered":"\/\/www.viralrail.com\/?p=96891"},"modified":"2024-08-16T16:37:29","modified_gmt":"2024-08-16T08:37:29","slug":"lsmkjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96891.html","title":{"rendered":"LoRa SPI\u6a21\u5757\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/96589.html\" data-type=\"post\" data-id=\"96589\">LoRa<\/a><\/strong> SPI\u6a21\u5757\u662f\u4e00\u79cd\u57fa\u4e8e<a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" rel=\"noreferrer noopener nofollow\">LoRa(Long Range)\u6280\u672f<\/a>\u7684\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\uff0c\u901a\u5e38\u91c7\u7528SPI(Serial Peripheral Interface)\u63a5\u53e3\u4e0e\u5916\u90e8\u5fae\u63a7\u5236\u5668(MCU)\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u3002\u4ee5\u4e0b\u662f\u5173\u4e8eLoRa SPI\u6a21\u5757\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa SPI\u6a21\u5757\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. LoRa\u6280\u672f\u6982\u8ff0<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u573a\u666f\u4e2d\uff0c\u5982\u667a\u6167\u519c\u4e1a\u3001\u8f66\u8f86\u8ffd\u8e2a\u3001\u667a\u80fd\u5b89\u9632\u3001\u667a\u80fd\u6284\u8868\u548c\u667a\u6167\u57ce\u5e02\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. SPI\u63a5\u53e3\u4ecb\u7ecd<\/h3>\n\n\n\n<p>\u3000\u3000SPI\u63a5\u53e3\u662f\u4e00\u79cd\u540c\u6b65\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff0c\u5177\u6709\u7247\u9009(NSS)\u3001\u65f6\u949f(SCK)\u3001\u4e3b\u8f93\u51fa\u4ece\u8f93\u5165(MOSI)\u548c\u4e3b\u8f93\u5165\u4ece\u8f93\u51fa(MISO)\u56db\u4e2a\u4e3b\u8981\u5f15\u811a\u3002\u901a\u8fc7\u8fd9\u4e9b\u5f15\u811a\uff0c\u5916\u90e8MCU\u53ef\u4ee5\u5bf9LoRa\u6a21\u5757\u8fdb\u884c\u914d\u7f6e\u3001\u7ba1\u7406\u548c\u6570\u636e\u5305\u7684\u6536\u53d1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u5e38\u89c1LoRa\u82af\u7247\u53ca\u5176\u5e94\u7528<\/h3>\n\n\n\n<p>\u3000\u3000\u5e38\u7528\u7684<strong><a href=\"\/\/www.viralrail.com\/blog\/89180.html\" data-type=\"post\" data-id=\"89180\">LoRa\u82af\u7247<\/a><\/strong>\u5305\u62ecSX1261\/2\u3001SX1278\u3001SX1276\u7b49\uff0c\u5b83\u4eec\u90fd\u652f\u6301SPI\u63a5\u53e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>SX1261\/2<\/strong>\uff1a\u9002\u7528\u4e8e\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u5e38\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u548c\u8fdc\u7a0b\u6570\u636e\u91c7\u96c6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>SX1278<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5305\u62ec\u5355\u8bbf\u95ee\u3001\u7a81\u53d1\u8bbf\u95ee\u548cFIFO\u8bbf\u95ee\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u9700\u8981\u590d\u6742\u901a\u4fe1\u534f\u8bae\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>SX1276<\/strong>\uff1a\u5de5\u4f5c\u9891\u7387\u8303\u56f4\u5e7f\uff0c\u9002\u5408\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u786c\u4ef6\u8fde\u63a5\u4e0e\u914d\u7f6e<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u786c\u4ef6\u8fde\u63a5\u65b9\u9762\uff0c<strong><a href=\"\/\/www.viralrail.com\/blog\/93879.html\" data-type=\"post\" data-id=\"93879\">LoRa\u6a21\u5757<\/a><\/strong>\u901a\u5e38\u4f7f\u7528SPI1\u63a5\u53e3\uff0c\u5e76\u4e14\u7247\u9009\u811a(NSS)\u901a\u5e38\u8fde\u63a5\u5230PA4\u5f15\u811a\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7STM32CubeMX\u5de5\u5177\u8fdb\u884c\u786c\u4ef6\u914d\u7f6e\uff0c\u7136\u540e\u7f16\u5199\u76f8\u5e94\u7684\u4ee3\u7801\u6765\u5b9e\u73b0SPI\u901a\u4fe1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005. \u8f6f\u4ef6\u9a71\u52a8\u4e0e\u7f16\u7a0b<\/h3>\n\n\n\n<p>\u3000\u3000\u57fa\u4e8eSTM32\u7684LoRa\u6a21\u5757\u7f16\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u51c6\u5907SPI\u9a71\u52a8<\/strong>\uff1a\u63d0\u4f9bSPI\u8bfb\u5b57\u8282\u548c\u5199\u5b57\u8282\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u914d\u7f6eLoRa\u6a21\u5757\u53c2\u6570<\/strong>\uff1a\u5305\u62ec\u5de5\u4f5c\u6a21\u5f0f\u3001\u9891\u7387\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53d1\u9001\u4e0e\u63a5\u6536\u6570\u636e<\/strong>\uff1a\u5229\u7528SPI\u63a5\u53e3\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u5305\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006. \u5e94\u7528\u5b9e\u4f8b<\/h3>\n\n\n\n<p>\u3000\u3000\u4f8b\u5982\uff0c\u5728STM32F10XX\u4e0a\u5b9e\u73b0LoRa\u901a\u4fe1\uff0c\u53ef\u4ee5\u53c2\u8003\u57fa\u4e8eHAL\u5e93\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u901a\u8fc7\u8c03\u7528\u5b98\u65b9\u63d0\u4f9b\u7684lora.c\u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u5b8c\u6210\u57fa\u672c\u7684\u901a\u4fe1\u529f\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007. \u7279\u70b9\u4e0e\u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1a\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u6700\u8fdc\u53ef\u8fbe\u6570\u516c\u91cc\uff0c\u9002\u5408\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u6027\u5f3a<\/strong>\uff1a\u80fd\u591f\u5728\u590d\u6742\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u901a\u8fc7SPI\u63a5\u53e3\u4e0e\u5916\u90e8MCU\u8fdb\u884c\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u3002\u5176\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u4f20\u8f93\u548c\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u4f7f\u5176\u6210\u4e3a\u7269\u8054\u7f51\u9886\u57df\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa SPI\u6a21\u5757\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55<\/h2>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u82af\u7247\u548c\u6a21\u5757\u7684\u66f4\u65b0<\/strong>\uff1a\u4ebf\u4f70\u7279\u57fa\u4e8e\u5168\u65b0\u4e00\u4ee3LoRa\u6269\u9891\u6280\u672fSX1262\u5c04\u9891\u82af\u7247\u7814\u53d1\u4e86\u8d85\u5c0f\u4f53\u79ef\u8d34\u7247\u5f0fLoRa\u65e0\u7ebf\u6a21\u5757\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u5bb6\u5ead\u3001\u65e0\u7ebf\u6284\u8868\u3001\u79d1\u7814\u548c\u533b\u7597\u4ee5\u53ca\u4e2d\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\u3002\u6b64\u5916\uff0c\u77fd\u9012\u79d1\u6280(Seeed Studio)\u63a8\u51fa\u4e86\u652f\u6301SPI\u3001USB\u63a5\u53e3\u7684LoRa\u96c6\u4e2d\u5668\u6a21\u5757WM1302.\u8be5\u6a21\u5757\u652f\u6301868\u6216915\u9891\u6bb5\uff0c\u6210\u4e3aLoRaWAN\u7f51\u5173\u6a21\u5757\u7684\u65b0\u9009\u62e9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u914d\u7f6e\u7075\u6d3b\u6027\u548c\u6027\u80fd\u4f18\u5316<\/strong>\uff1aE220-900M30S\u6a21\u5757\u901a\u8fc7SPI\u63a5\u53e3\u63d0\u4f9b\u4e86\u5b8c\u5168\u7684\u914d\u7f6e\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u7528\u6237\u5728\u8f6f\u4ef6\u4e2d\u8c03\u6574\u6d88\u606f\u5199\u5165\u7f13\u51b2\u533a\u3001\u5ef6\u8fdf\u65f6\u95f4\u548c\u5fd9\/\u7761\u7720\u65f6\u95f4\u7684\u6bd4\u4f8b\uff0c\u4ee5\u7b26\u5408\u7279\u5b9a\u7684\u4f20\u8f93\u9650\u5236\uff0c\u5982\u6cd5\u56fd\u7684LoRa\u4f20\u8f93\u9650\u5236\u3002\u8fd9\u8868\u660eLoRa SPI\u6a21\u5757\u5728\u914d\u7f6e\u548c\u6027\u80fd\u4f18\u5316\u65b9\u9762\u6709\u4e86\u663e\u8457\u8fdb\u6b65\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u517c\u5bb9\u6027\u548c\u6210\u672c\u63a7\u5236<\/strong>\uff1a\u56fd\u4ea7\u6280\u672f\u65b0\u7a81\u7834\u5b9e\u73b0\u4e86\u4e0eSX1278\u7684\u65e0\u7f1d\u517c\u5bb9\u901a\u4fe1\uff0c\u89e3\u51b3\u4e86\u6210\u672c\u4e0a\u6da8\u95ee\u9898\uff0c\u63a8\u52a8\u4e86\u56fd\u4ea7\u6280\u672f\u7684\u8fdb\u6b65\u3002PAN3031\u662f\u4e00\u6b3e\u4f4e\u6210\u672c\u56fd\u4ea7\u65b9\u6848\uff0c\u91c7\u7528SPI\u63a5\u53e3\uff0c\u5177\u670922dBm\u529f\u7387\uff0c\u4f9b\u8d27\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1a\u601d\u4e3a\u65e0\u7ebf\u7814\u53d1\u7684LoRa\u6a21\u5757\u5177\u6709\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u4f20\u8f93\u3001\u6297\u5e72\u6270\u6027\u5f3a\u3001\u7a7a\u4e2d\u5524\u9192\u7b49\u901a\u4fe1\u7279\u70b9\uff0c\u90e8\u5206\u6a21\u5757\u901a\u8fc7\u4e86CE\u3001FCC\u8ba4\u8bc1\uff0c\u7b26\u5408RoHS\u3001Reach\u6807\u51c6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u96c6\u6210<\/strong>\uff1a\u4f20\u611f\u7f51\u5e94\u7528\u5f00\u53d1\u5b9e\u8bad\u8bbe\u5907\u8981\u6c42LoRa\u6a21\u5757\u4e0eMCU\u901a\u8baf\u63a5\u53e3\u4e3aSPI\uff0c\u677f\u8f7dSTM32L151C8\u5fae\u5904\u7406\u5668\uff0c\u4e3b\u9891\u6700\u9ad8\u53ef\u8fbe32MHz\uff0c\u9700\u914d\u5907OLED\u5c4f\u548c\u6269\u5c55\u63a5\u53e3\uff0c\u4ee5\u8fde\u63a5\u5404\u79cd\u4f20\u611f\u5668\u5c0f\u6a21\u5757\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u5305\u62ec\u82af\u7247\u548c\u6a21\u5757\u7684\u66f4\u65b0\u3001\u914d\u7f6e\u7075\u6d3b\u6027\u548c\u6027\u80fd\u4f18\u5316\u3001\u517c\u5bb9\u6027\u548c\u6210\u672c\u63a7\u5236\u3001\u4f4e\u529f\u8017\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93\u4ee5\u53ca\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u96c6\u6210\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u4f18\u5316LoRa SPI\u6a21\u5757\u5728\u4e0d\u540c\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u4e2d\u7684\u6027\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa SPI\u6a21\u5757\u5728\u4e0d\u540c\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u4e2d\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5<\/strong>\uff1aLoRa\u6280\u672f\u5de5\u4f5c\u5728\u672a\u6388\u6743\u7684\u9891\u6bb5\uff0c\u5982433MHz\u3001868MHz\u548c915MHz\u7b49\u3002\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\uff0c\u4ee5\u786e\u4fdd\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8c03\u6574\u6570\u636e\u901f\u7387<\/strong>\uff1aLoRa\u901a\u8fc7\u964d\u4f4e\u6570\u636e\u901f\u7387\u6765\u6362\u53d6\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5e94\u9002\u5f53\u589e\u52a0\u6570\u636e\u901f\u7387\uff0c\u800c\u5728\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u4e2d\uff0c\u5219\u53ef\u4ee5\u4fdd\u6301\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\u4ee5\u8282\u7701\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5229\u7528\u6269\u9891\u8c03\u5236\u673a\u5236<\/strong>\uff1aLoRa\u91c7\u7528\u6269\u9891\u8c03\u5236\u65b9\u5f0f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u6765\u4f20\u8f93\u6570\u636e\u3002\u8fd9\u79cd\u673a\u5236\u80fd\u591f\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u7a7f\u900f\u529b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u73af\u5883\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u7f51\u7edc\u7ed3\u6784<\/strong>\uff1aLoRaWAN\u7684\u661f\u578b\u7f51\u7edc\u7ed3\u6784\u9002\u7528\u4e8e\u5e7f\u6cdb\u7684\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u3001\u667a\u80fd\u7269\u6d41\u7b49\u3002\u901a\u8fc7\u4f18\u5316\u7f51\u7edc\u7ed3\u6784\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u6269\u5c55\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8003\u8651\u5e94\u7528\u573a\u666f\u7684\u5177\u4f53\u9700\u6c42<\/strong>\uff1aLoRa\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u6167\u519c\u4e1a\u3001\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a\u7269\u8054\u7f51 (IIoT)\u3001\u667a\u80fd\u73af\u5883\u3001\u667a\u80fd\u5bb6\u5c45\u548c\u697c\u5b87\u3001\u667a\u80fd\u516c\u7528\u4e8b\u4e1a\u548c\u8ba1\u91cf\u4ee5\u53ca\u667a\u80fd\u4f9b\u5e94\u94fe\u548c\u7269\u6d41\u4e2d\u7684\u519c\u6751\u6216\u5ba4\u5185\u5e94\u7528\u573a\u666f\u3002\u9488\u5bf9\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u519c\u6751\u6216\u5ba4\u5185\u573a\u666f\uff0c\u53ef\u80fd\u9700\u8981\u7279\u522b\u5173\u6ce8\u6df1\u5ea6\u8986\u76d6\u548c\u8fde\u7eed\u8986\u76d6\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7ed3\u5408\u5176\u4ed6\u6280\u672f<\/strong>\uff1aLoRa\u53ef\u4ee5\u4e0e\u84dd\u7259\u5b9a\u4f4d\u6280\u672f\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u548c\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u7cbe\u786e\u5b9a\u4f4d\u7684\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7LoRa\u8fdb\u884c\u8fdc\u8ddd\u79bb\u901a\u4fe1\uff0c\u800c\u901a\u8fc7\u84dd\u7259\u8fdb\u884c\u77ed\u8ddd\u79bb\u7684\u7cbe\u786e\u5b9a\u4f4d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8003\u8651\u6210\u672c\u6548\u76ca\u548c\u6613\u4e8e\u90e8\u7f72<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u6210\u672c\u6548\u76ca\u9ad8\u3001\u6613\u4e8e\u90e8\u7f72\u548c\u7ef4\u62a4\u7684\u7279\u70b9\u3002\u5728\u8bbe\u8ba1\u7cfb\u7edf\u65f6\uff0c\u5e94\u5145\u5206\u8003\u8651\u8fd9\u4e9b\u4f18\u52bf\uff0c\u4ee5\u964d\u4f4e\u603b\u4f53\u6210\u672c\u5e76\u7b80\u5316\u90e8\u7f72\u8fc7\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa SPI\u6a21\u5757\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5bf9\u6bd4\u533a\u522b<\/h2>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u5728\u7269\u8054\u7f51(IoT)\u5e94\u7528\u4e2d\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u548c\u52a3\u52bf\uff0c\u4e0eWi-Fi\u3001\u84dd\u7259\u7b49\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u76f8\u6bd4\uff0c\u5176\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f18\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u8bbe\u5907\u5728\u4f20\u8f93\u6570\u636e\u65f6\u7684\u529f\u8017\u975e\u5e38\u4f4e\uff0c\u8fd9\u4f7f\u5f97\u5b83\u80fd\u591f\u5b9e\u73b0\u957f\u8fbe\u6570\u5e74\u7684\u7535\u6c60\u5bff\u547d\u3002\u8fd9\u79cd\u4f4e\u529f\u8017\u7279\u6027\u7279\u522b\u9002\u5408\u9700\u8981\u957f\u671f\u8fd0\u884c\u4e14\u4e0d\u4fbf\u4e8e\u9891\u7e41\u66f4\u6362\u7535\u6c60\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u80fd\u591f\u5728\u975e\u5e38\u4f4e\u7684\u529f\u7387\u4e0b\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u9002\u5408\u5e7f\u57df\u7f51\u7edc\u8986\u76d6\u3002\u8fd9\u610f\u5473\u7740LoRa\u53ef\u4ee5\u5728\u8f83\u5927\u7684\u5730\u7406\u8303\u56f4\u5185\u63d0\u4f9b\u7a33\u5b9a\u7684\u8fde\u63a5\uff0c\u800c\u4e0d\u9700\u8981\u8fc7\u591a\u7684\u4e2d\u7ee7\u7ad9\u6216\u57fa\u7ad9\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u4fe1\u53f7\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u7684\u7a7f\u900f\u80fd\u529b\u8f83\u5f3a\uff0c\u9002\u5408\u5728\u590d\u6742\u73af\u5883\u4e2d\u90e8\u7f72\u3002\u8fd9\u4f7f\u5f97LoRa\u5728\u5efa\u7b51\u7269\u5bc6\u96c6\u7684\u57ce\u5e02\u533a\u57df\u4e5f\u80fd\u4fdd\u6301\u826f\u597d\u7684\u901a\u4fe1\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u91c7\u7528\u6269\u9891\u6280\u672f\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u4f7f\u5176\u5728\u591a\u4fe1\u9053\u5171\u5b58\u7684\u73af\u5883\u4e2d\u8868\u73b0\u66f4\u597d\uff0c\u4e0d\u6613\u53d7\u5230\u90bb\u8fd1\u4fe1\u53f7\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u901a\u8fc7MESH\u7ec4\u7f51\u6a21\u5757\u5b9e\u73b0\u4e86\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u9ad8\u53ef\u9760\u6027\u7684\u65e0\u7ebf\u901a\u4fe1\u3002\u8fd9\u79cd\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u8fde\u63a5\u7a33\u5b9a\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u52a3\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4e8eWi-Fi\u548c\u84dd\u7259\uff0cLoRa\u7684\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u3002\u8fd9\u610f\u5473\u7740\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0cLoRa\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u867d\u7136LoRa\u7684\u6570\u636e\u5305\u5f15\u64ce\u53ef\u4ee5\u5904\u7406\u9ad8\u8fbe256\u5b57\u8282\u7684\u6570\u636e\u5305\uff0c\u4f46\u76f8\u5bf9\u4e8e\u4e00\u4e9b\u9ad8\u7ea7\u522b\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5982Wi-Fi\u548c\u84dd\u7259\uff0c\u8fd9\u4e2a\u6570\u636e\u5305\u5927\u5c0f\u4ecd\u7136\u8f83\u5c0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1LoRa\u5728\u67d0\u4e9b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5176\u521d\u671f\u6295\u8d44\u6210\u672c\u901a\u5e38\u9ad8\u4e8eWi-Fi\u548c\u84dd\u7259\u7b49\u6280\u672f\u3002\u8fd9\u5305\u62ec\u786c\u4ef6\u6210\u672c\u548c\u90e8\u7f72\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u666e\u53ca\u7a0b\u5ea6\u548c\u751f\u6001\u7cfb\u7edf\u5efa\u8bbe\u76f8\u5bf9Wi-Fi\u548c\u84dd\u7259\u6765\u8bf4\u8fd8\u5904\u4e8e\u53d1\u5c55\u9636\u6bb5\u3002\u8fd9\u53ef\u80fd\u5f71\u54cd\u5230\u7528\u6237\u7684\u53ef\u9009\u6027\u548c\u652f\u6301\u670d\u52a1\u7684\u53ef\u7528\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u5728\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u9ad8\u53ef\u9760\u6027\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u4f46\u5728\u4f20\u8f93\u901f\u7387\u3001\u6570\u636e\u5305\u5927\u5c0f\u548c\u6210\u672c\u65b9\u9762\u5b58\u5728\u52a3\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRa SPI\u6a21\u5757\u7684\u80fd\u8017\u8868\u73b0\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u80fd\u8017\u8868\u73b0\u5177\u6709\u663e\u8457\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd9\u4e3b\u8981\u5f97\u76ca\u4e8e\u5176\u8bbe\u8ba1\u548c\u5de5\u4f5c\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u786c\u4ef6\u5524\u9192\u70b9\u540d\u529f\u80fd\uff08MAPM\uff09<\/strong>&nbsp;\uff1aPAN3029\u6a21\u5757\u91c7\u7528MAPM\u6a21\u5f0f\u53ef\u4ee5\u7f29\u51cf\u957fPreamble\u671f\u95f4\u5f00\u542fRX\u65f6\u95f4\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u6a21\u5757\u7684\u5e73\u5747\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u5e38\u88ab\u8bbe\u8ba1\u4e3a\u8d85\u4f4e\u529f\u8017\u8bbe\u5907\uff0c\u53ef\u4ee5\u5728\u7535\u6c60\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\u957f\u65f6\u95f4\u5de5\u4f5c\uff0c\u9002\u7528\u4e8e\u5bf9\u529f\u8017\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002\u4f8b\u5982\uff0c\u67d0\u4e9bLoRa\u6a21\u5757\u5728\u975e\u6d3b\u52a8\u72b6\u6001\u4e0b\u7684\u529f\u8017\u4e3a10\u6beb\u5b89\uff0c\u800c\u5728\u5cf0\u503c\u8d1f\u8f7d\u4e0b\u5219\u4e3a93\u6beb\u5b89\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u529f\u8017\u4f18\u5316\u7b56\u7565<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u8fc7\u964d\u4f4e\u53d1\u5c04\u529f\u7387\u6765\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\uff0c\u8fd9\u79cd\u7b56\u7565\u867d\u7136\u53ef\u80fd\u5f71\u54cd\u80fd\u8017\u8868\u73b0\uff0c\u4f46\u603b\u4f53\u4e0a\u4ecd\u4fdd\u6301\u4e86\u4f4e\u529f\u8017\u7684\u7279\u70b9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9645\u6d4b\u91cf\u7ed3\u679c<\/strong>\uff1a\u5728\u4e00\u9879\u7814\u7a76\u4e2d\uff0cLoRa\u901a\u4fe1\u7684\u529f\u8017\u4e3a109\u2013120 \u00b5Ah\uff0c\u4f4e\u4e8eWiFi\u63a5\u5165\u70b9\u626b\u63cf\u4e00\u6b21\u7684\u529f\u8017\u3002LoRa\u5728\u667a\u80fd\u57ce\u5e02\u5e94\u7528\u4e2d\u5177\u6709\u6700\u4f73\u7684\u529f\u8017\u6548\u7387\uff0c\u4f18\u4e8eSigfox\u3001NB-IoT\u548cLTE-M\u7b49\u5176\u4ed6LPWAN\u6280\u672f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u957f\u671f\u7535\u6c60\u5bff\u547d<\/strong>\uff1a\u4f7f\u7528Semtech SX1272\u82af\u7247\u7684LoRa\u6a21\u5757\uff0c\u5728\u611f\u6d4b\u95f4\u9694\u4ece1\u52305\u5206\u949f\u65f6\uff0c\u5e73\u5747\u7535\u6c60\u5bff\u547d\u4e3a1\u52305\u5e74;\u5982\u679c\u5229\u7528\u53ef\u518d\u751f\u80fd\u6e90\u8fdb\u884c\u80fd\u91cf\u6536\u96c6\uff0c\u5219\u7535\u6c60\u5bff\u547d\u53ef\u5ef6\u957f\u81f312\u5e74\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1aLoRa\u6a21\u5757\u4e0d\u4ec5\u529f\u8017\u4f4e\uff0c\u8fd8\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u516d\u3001 LoRa SPI\u6a21\u5757\u652f\u6301\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387<\/h2>\n\n\n\n<p>\u3000\u3000LoRa SPI\u6a21\u5757\u652f\u6301\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u6709\u591a\u4e2a\u4e0d\u540c\u7684\u503c\uff0c\u8fd9\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u6a21\u5757\u548c\u914d\u7f6e\u3002\u5728\u4e2d\uff0c\u63d0\u5230\u57fa\u4e8eSX1278\u82af\u7247\u7684\u5c04\u9891\u6536\u53d1\u6a21\u5757\uff0c\u5176\u901a\u4fe1\u63a5\u53e3\u4e3a4-Pin\u786c\u4ef6SPI\u901a\u4fe1\u63a5\u53e3\uff0c\u63a8\u8350\u901f\u73874Mbps\uff0c\u6700\u5927\u901f\u7387\u53ef\u8fbe10Mbps\u3002\u7136\u800c\uff0c\u5728\u4e2d\uff0cRFM95W LoRa\u6a21\u5757\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ea\u6709300kbps\u5de6\u53f3\u3002\u5728\u4e2d\uff0c\u63d0\u5230\u91c7\u7528Semtech\u516c\u53f8\u7684SX1276\/78\u82af\u7247\u7684LoRa\u6a21\u5757\uff0c\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a300kbps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u56e0\u6b64\uff0cLoRa SPI\u6a21\u5757\u652f\u6301\u7684\u6700\u5927\u6570\u636e\u4f20\u8f93\u901f\u7387\u5e76\u975e\u56fa\u5b9a\u503c\uff0c\u800c\u662f\u6839\u636e\u5177\u4f53\u6a21\u5757\u548c\u914d\u7f6e\u800c\u53d8\u5316\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u57fa\u4e8eSX1278\u82af\u7247\u7684\u6a21\u5757\uff0c\u6700\u5927\u901f\u7387\u53ef\u8fbe10Mbps;\u800c\u5728\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u5982RFM95W LoRa\u6a21\u5757\uff0c\u6700\u5927\u901f\u7387\u4ec5\u4e3a300kbps\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LoRa SPI\u6a21\u5757\u662f\u4e00\u79cd\u57fa\u4e8eLoRa(Long Range)\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\uff0c\u901a\u5e38\u91c7\u7528SPI(Serial Peripheral Interface)\u63a5\u53e3\u4e0e\u5916\u90e8\u5fae\u63a7\u5236\u5668(MCU)\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236<\/p>\n","protected":false},"author":1,"featured_media":95849,"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":[54],"class_list":["post-96891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/96891"}],"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=96891"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/96891\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/95849"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=96891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=96891"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=96891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}