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\u516b\u3001led\u677f\u5b50\u9ad8\u5ea6\uff1f<\/h2>\n

LED\u663e\u793a\u5c4f\u751f\u4ea7\u5382\u5bb6\u4e0d\u540c\u6a21\u7ec4\u578b\u53f7\u4e5f\u4e0d\u4e00\u6837\u3002\u4e00\u822c\u4f46\u53cc\u8272p10\u7684\u662f\u4f7f\u752832*16\u50cf\u7d20\u3002\u677f\u5b50\u662f32cm*16cm \u3002 \u5168\u5f69\u7684\u578b\u53f7\u5c31\u6bd4\u8f83\u591a\u4e86\u3002\u4ee5\u5f3a\u529b\u5de8\u5f69\u6237\u5916\u5168\u5f69\u7cfb\u5217\u4e3a\u4f8b<\/p>\n

p10\uff1a30*16<\/p>\n

P8\uff1a32*16<\/p>\n

P5\uff1a64*32<\/p>\n

P6\uff1a32*32<\/p>\n

P6.66\uff1a48*24<\/p>\n

\u7b49\u7b49\u3002LED\u663e\u793a\u5c4f\u751f\u4ea7\u5382\u5bb6\u4e0d\u540c\u6a21\u7ec4\u578b\u53f7\u4e5f\u4e0d\u4e00\u6837\u3002\u4e00\u822c\u4f46\u53cc\u8272p10\u7684\u662f\u4f7f\u752832*16\u50cf\u7d20\u3002\u677f\u5b50\u662f32cm*16cm \u3002 \u5168\u5f69\u7684\u578b\u53f7\u5c31\u6bd4\u8f83\u591a\u4e86\u3002\u4ee5\u5f3a\u529b\u5de8\u5f69\u6237\u5916\u5168\u5f69\u7cfb\u5217\u4e3a\u4f8b<\/p>\n

p10\uff1a30*16<\/p>\n

P8\uff1a32*16<\/p>\n

P5\uff1a64*32<\/p>\n

P6\uff1a32*32<\/p>\n

P6.66\uff1a48*24<\/p>\n

\u7b49\u7b49\u3002<\/p>\n

\u4e5d\u3001dma\u677f\u5b50\u7528\u5904\uff1f<\/h2>\n

dma \u677f\u5b50\uff08direct memory access\uff0c\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee\uff09\u662f\u4e00\u79cd\u786c\u4ef6\u8bbe\u5907\uff0c\u7528\u4e8e\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u5904\u7406\u3002\u5b83\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u8d77\u5230\u91cd\u8981\u4f5c\u7528\uff0c\u5728\u591a\u79cd\u5e94\u7528\u573a\u666f\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n

1. \u5185\u5b58\u8bbf\u95ee\uff1adma\u677f\u5b50\u80fd\u591f\u76f4\u63a5\u4ece\u4e3b\u5b58\u50a8\u5668\uff08ram\uff09\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\uff0c\u800c\u65e0\u9700\u901a\u8fc7\u4e2d\u592e\u5904\u7406\u5668\uff08cpu\uff09\u7684\u5e72\u9884\u3002\u8fd9\u610f\u5473\u7740dma\u80fd\u591f\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u51cf\u8f7bcpu\u7684\u8d1f\u62c5\uff0c\u63d0\u4f9b\u66f4\u9ad8\u7684\u6548\u7387\u548c\u541e\u5410\u91cf\u3002cpu\u53ea\u9700\u5728\u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u4e0edma\u8fdb\u884c\u901a\u4fe1\uff0c\u8282\u7701\u4e86\u5927\u91cf\u7684\u65f6\u95f4\u548c\u8d44\u6e90\u3002<\/p>\n

2. \u6570\u636e\u4f20\u8f93\uff1adma\u677f\u5b50\u53ef\u4ee5\u5728\u5916\u8bbe\u8bbe\u5907\uff08\u5982\u786c\u76d8\u3001\u7f51\u7edc\u63a5\u53e3\u5361\u3001\u58f0\u5361\u7b49\uff09\u548c\u5185\u5b58\u4e4b\u95f4\u8fdb\u884c\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002\u5b83\u80fd\u591f\u76f4\u63a5\u63a7\u5236\u6570\u636e\u7684\u4f20\u9001\uff0c\u800c\u65e0\u9700cpu\u7684\u4ecb\u5165\u3002\u8fd9\u610f\u5473\u7740dma\u5728\u6570\u636e\u4f20\u8f93\u65b9\u9762\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7387\u3001\u4f4e\u5ef6\u8fdf\u7684\u64cd\u4f5c\u3002\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u4f20\u8f93\u3001\u89c6\u9891\u6d41\u5904\u7406\u3001\u97f3\u9891\u7f16\u89e3\u7801\u7b49\u4efb\u52a1\uff0cdma\u677f\u5b50\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n

3. \u6027\u80fd\u4f18\u5316\uff1adma\u677f\u5b50\u53ef\u7528\u4e8e\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u3002\u901a\u8fc7\u51cf\u5c11cpu\u7684\u53c2\u4e0e\uff0cdma\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u5e76\u884c\u5904\u7406\u80fd\u529b\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u7cfb\u7edf\u6027\u80fd\u3002\u540c\u65f6\uff0cdma\u8fd8\u80fd\u591f\u964d\u4f4e\u7cfb\u7edf\u7684\u80fd\u8017\uff0c\u51cf\u5c11cpu\u7684\u8d1f\u8f7d\uff0c\u5ef6\u957f\u8bbe\u5907\u7684\u5bff\u547d\u3002<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0cdma\u677f\u5b50\u5141\u8bb8\u76f4\u63a5\u7684\u5185\u5b58\u8bbf\u95ee\u548c\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6709\u6548\u5730\u51cf\u8f7b\u4e86cpu\u7684\u8d1f\u62c5\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7cfb\u7edf\u6027\u80fd\u548c\u6548\u7387\u3002\u5b83\u5728\u8bb8\u591a\u9886\u57df\u4e2d\u90fd\u6709\u91cd\u8981\u7684\u5e94\u7528\uff0c\u5982\u7f51\u7edc\u901a\u4fe1\u3001\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3001\u56fe\u5f62\u5904\u7406\u7b49\u3002<\/p>\n

\u5341\u3001\u978b\u67dc\u677f\u5b50\u539a\u5ea6\uff1f<\/h2>\n

\u978b\u67dc\u677f\u5b50\u7684\u539a\u5ea6\u505a300mm\u4e3a\u5b9c\uff0c\u6700\u5c11\u539a\u5ea6\u4e0d\u80fd\u4f4e\u4e8e17mm\u3002<\/p>\n

\u5728\u8bbe\u8ba1\u978b\u67dc\u7684\u65f6\u5019\u8981\u6ce8\u610f\uff0c\u978b\u67dc\u5c3a\u5bf8\u9ad8\u5ea6\u4e0d\u5e94\u8d85\u8fc7800mm\uff0c\u7136\u540e\u5bbd\u5ea6\u5e94\u6839\u636e\u6240\u5229\u7528\u7684\u7a7a\u95f4\u5bbd\u5ea6\u5408\u7406\u5212\u5206\uff0c\u6df1\u5ea6\u5c3a\u5bf8\u5e94\u63a7\u5236\u5728380\u81f3400mm\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u822a\u7a7a\u7bb1\u7684\u677f\u5b50\u662f\u4ec0\u4e48\u6750\u6599\uff1f\u6211\u4eec\u5e38\u89c1\u7684\u822a\u7a7a\u7bb1\u90fd\u662f\u91c7\u7528\u6728\u5939\u677f\u5236\u4f5c\u7684\uff0c\u4f46\u7684\u65b0\u4e00\u4ee3\u822a\u7a7a\u7bb1\u7684\u677f\u6750\u662f\u590d\u5408\u8702\u7a9d\u677f\u3002\u8fd9\u79cd\u677f\u6750 […]<\/p>\n","protected":false},"author":1,"featured_media":411324,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-407902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiaotong"],"_links":{"self":[{"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/posts\/407902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/comments?post=407902"}],"version-history":[{"count":1,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/posts\/407902\/revisions"}],"predecessor-version":[{"id":411327,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/posts\/407902\/revisions\/411327"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/media\/411324"}],"wp:attachment":[{"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/media?parent=407902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/categories?post=407902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youtupa.com\/wp-json\/wp\/v2\/tags?post=407902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}