SIM900 \u4e3b\u673a<\/p>\n
SIM\uff08\u5c0f\u578b\u4eea\u8868\u6a21\u5757\uff09\u662f\u4e00\u79cd\u575a\u56fa\u800c\u7075\u6d3b\u7684\u5e73\u53f0\uff0c\u6700\u591a\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u7d27\u51d1\u7684\u4e3b\u673a\u548c\u8ba1\u7b97\u673a\u63a5\u53e3\u4e2d\u5171\u4eab\u516b\u4e2a\u9ad8\u6027\u80fd\u4eea\u5668\u3002\u4e0e\u5176\u4ed6\u6a21\u5757\u5316\u7cfb\u7edf\u4e0d\u540c\uff0cSIM \u652f\u6301\u524d\u9762\u677f\u64cd\u4f5c\u548c\u8ba1\u7b97\u673a\u64cd\u4f5c\u3002\u4f7f\u7528 SIM\uff0c\u60a8\u53ef\u4ee5\u83b7\u5f97\u6240\u9700\u7684\u529f\u80fd\uff0c\u540c\u65f6\u907f\u514d\u4e0d\u5fc5\u8981\u529f\u80fd\u7684\u6210\u672c\u3002\u60a8\u53ef\u4ee5\u4ece\u5e7f\u6cdb\u4e14\u4e0d\u65ad\u6269\u5c55\u7684\u6a21\u5757\u4e2d\u914d\u7f6e\u81ea\u5df1\u7684\u7cfb\u7edf\u3002<\/p>\n
SIM900 \u4e3b\u673a\u662f\u7ec4\u88c5 SIM \u7cfb\u7edf\u7684\u5e73\u53f0\u3002\u4e3b\u673a\u63d0\u4f9b\u7535\u6e90\u3001\u8ba1\u7b97\u673a\u63a5\u53e3\u3001\u65f6\u949f\u540c\u6b65\u4ee5\u53ca\u5404\u4e2a\u6a21\u5757\u7684\u72b6\u6001\u76d1\u63a7\u3002\u516b\u4e2a\u5185\u90e8\u6a21\u5757\u63d2\u69fd\u53ef\u4ee5\u5bb9\u7eb3\u5355\u5bbd\u548c\u53cc\u5bbd\u6a21\u5757\u3002\u5bf9\u4e8e\u9700\u8981\u5728\u5b9e\u9a8c\u65c1\u8fb9\u653e\u7f6e\u6a21\u5757\u7684\u5076\u5c14\u5e94\u7528\uff0c\u4e3b\u673a\u540e\u9762\u677f\u7684\u8fde\u63a5\u5668\u548c\u8fde\u63a5\u7535\u7f06\u5141\u8bb8\u5728\u4e3b\u673a\u5916\u90e8\u64cd\u4f5c\u7b2c\u4e5d\u4e2a\u6a21\u5757\u3002<\/p>\n
\u901a\u4fe1<\/p>\n
\u4e3b\u673a\u914d\u5907\u4e86\u6807\u51c6\u7684 RS-232 \u4e3b\u673a\u63a5\u53e3\uff0c\u5e76\u53ef\u9009\u914d GPIB\uff08IEEE-488.2\uff09\u3002\u6240\u6709\u5bf9\u5355\u4e2a\u6a21\u5757\u7684\u547d\u4ee4\u548c\u67e5\u8be2\u90fd\u901a\u8fc7\u4e3b\u673a\u63a5\u53e3\u4f20\u9012\u3002\u6d88\u606f\u6839\u636e\u7aef\u53e3\u53f7\u8def\u7531\uff0c\u4e3b\u673a\u65e0\u7f1d\u5730\u5c06\u6570\u636e\u4f20\u9012\u5230\u9002\u5f53\u7684\u76ee\u7684\u5730\u3002\u8fd9\u4e2a\u6d88\u606f\u7cfb\u7edf\u4e5f\u7528\u4e8e\u901a\u8fc7\u4e24\u4e2a\u8f85\u52a9 RS-232 \u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u3002\u901a\u8fc7\u8fd9\u4e9b\u7aef\u53e3\uff0c\u4efb\u4f55\u6570\u91cf\u7684 SIM900 \u4e3b\u673a\u548c\u5176\u4ed6 RS-232 \u4eea\u5668\u90fd\u53ef\u4ee5\u901a\u8fc7\u4e3b\u4e3b\u673a\u4e2d\u7684\u4e00\u4e2a\u4e3b\u673a\u63a5\u53e3\u8fdb\u884c\u63a7\u5236\u3002<\/p>\n
\u4e3b\u673a\u4e2d\u7684\u6bcf\u4e2a\u7aef\u53e3\u90fd\u6709\u72ec\u7acb\u7684 511 \u5b57\u8282\u8f93\u5165\u548c\u8f93\u51fa\u961f\u5217\u3002\u4e3b\u673a\u8fd8\u5728\u901a\u8fc7\u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u65f6\u6267\u884c\u4efb\u4f55\u5fc5\u8981\u7684\u901f\u7387\u9002\u914d\u3002\u4e00\u4e2a\u4e13\u7528\u7684\u201c\u7a83\u542c\u201d RS-232 \u7aef\u53e3\u63d0\u4f9b\u4e86\u4e3b\u673a\u6240\u6709\u901a\u4fe1\u7684\u56de\u663e\uff0c\u4ee5\u4fbf\u4e8e\u8c03\u8bd5\u65b0\u7684\u8bbe\u7f6e\u3002<\/p>\n
\u65f6\u949f\u57fa\u51c6<\/p>\n
\u4e3b\u673a\u5411\u6a21\u5757\u63d0\u4f9b\u4e3b\u65f6\u949f 10 MHz\uff0c\u8fd9\u4e9b\u6a21\u5757\u5c06\u5176\u5185\u90e8\u65f6\u949f\u57fa\u51c6\u9501\u5b9a\u5230\u8fd9\u4e2a\u53c2\u8003\u3002SIM900 \u4e2d\u7684\u4e3b\u65f6\u949f\u57fa\u4e8e\u4f4e\u566a\u58f0<\/a>\u6676\u4f53\u632f\u8361\u5668\u3002\u53ef\u9009\u7684\u65f6\u949f\u57fa\u51c6\u8f93\u5165\uff08\u9009\u9879 02\uff09\u5141\u8bb8\u901a\u8fc7\u540e\u9762\u677f BNC \u8f93\u5165\u5c06\u4e3b\u65f6\u949f\u76f8\u4f4d\u9501\u5b9a\u5230\u5916\u90e8 10 MHz \u53c2\u8003\uff08\u5982 SIM940 \u94f7\u6807\u51c6\uff09\u3002<\/p>\n \u542f\u52a8\u811a\u672c<\/p>\n SIM900 \u4e2d\u7ef4\u62a4\u4e86\u4e00\u4e2a 4000 \u5b57\u8282\u7684\u542f\u52a8\u811a\u672c\uff0c\u5b58\u50a8\u5728\u975e\u6613\u5931\u6027\u5185\u5b58\u4e2d\u3002\u5f53\u542f\u7528\u65f6\uff0c\u811a\u672c\u4e2d\u5b58\u50a8\u7684\u547d\u4ee4\u5c06\u5728\u6bcf\u6b21\u4e3b\u673a\u542f\u52a8\u65f6\u6267\u884c\u3002\u8fd9\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u786e\u4fdd\u6240\u6709\u6a21\u5757\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u6240\u9700\u7684\u521d\u59cb\u914d\u7f6e\u3002<\/p>\n \u524d\u9762\u677f<\/p>\n \u524d\u9762\u677f\u7684 LED \u6307\u793a\u706f\u63d0\u4f9b\u4e3b\u673a\u7684\u72b6\u6001\u4fe1\u606f\uff0c\u5e76\u76d1\u63a7\u4e3b\u673a\u4e0e\u5df2\u5b89\u88c5\u6a21\u5757\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u6307\u793a\u706f\u663e\u793a\u4e3b\u673a\u63a5\u53e3\u3001\u65f6\u949f\u57fa\u51c6\u3001\u901a\u4fe1\u72b6\u6001\u3001\u542f\u52a8\u811a\u672c\u548c\u7535\u6e90\u4fe1\u606f\u3002<\/p>\n \u7535\u6e90\u4f9b\u5e94<\/p>\n \u6240\u6709\u6a21\u5757\u5747\u7531 \u00b15 V\u3001\u00b115 V \u548c +24 V \u7684\u5404\u79cd\u7ec4\u5408\u7535\u6e90\u4f9b\u7535\u3002\u8fd9\u4e9b\u826f\u597d\u8c03\u8282\u548c\u8fc7\u6ee4\u7684\u76f4\u6d41\u7535\u538b\u7531\u4e3b\u673a\u7535\u6e90\u63d0\u4f9b\uff0c\u4e3b\u673a\u7535\u6e90\u901a\u8fc7\u5f3a\u5236\u7a7a\u6c14\u51b7\u5374\u6765\u4fdd\u6301\u7a33\u5b9a\u6027\u80fd\u3002\u6240\u6709\u7535\u6e90\u90fd\u5177\u5907\u8fc7\u7535\u538b\u6216\u77ed\u8def\u4fdd\u62a4\u7684\u9650\u6d41\u65ad\u8def\u7535\u8def\u3002<\/p>\n SIM900 \u89c4\u683c\uff1a<\/strong><\/p>\n https:\/\/www.bihec.com\/think-srs\/SIM900\/<\/a><\/p>\n SRS,Stanford Research Systems,SIM\u7cfb\u5217,SIM900,\u4e3b\u673a,\u673a\u7bb1 \u575a\u56fa\u7d27\u51d1\u7684\u8bbe\u8ba1 8 \u4e2a\u6a21\u5757\u63d2\u69fd \u7b2c9\u4e2a\u7aef\u53e3\u7528\u4e8e\u8fdc\u7a0b\u6a21\u5757 10 MHz \u53c2\u8003\u8f93\u5165 \u652f <\/p>\n","protected":false},"author":27,"featured_media":142,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[3],"tags":[7,6,4,5,8,9],"yoast_head":"\n\n
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