{"id":881,"date":"2012-04-13T19:04:33","date_gmt":"2012-04-13T10:04:33","guid":{"rendered":"https:\/\/blog.eldhrimnir.com?p=881"},"modified":"2019-01-25T17:22:05","modified_gmt":"2019-01-25T08:22:05","slug":"max7219%e3%81%a7%e3%81%ae%e5%a4%a7%e5%9e%8b7%e3%82%bb%e3%82%b0%e3%83%a1%e3%83%b3%e3%83%88led%e9%a7%86%e5%8b%95","status":"publish","type":"post","link":"https:\/\/blog.eldhrimnir.com\/?p=881","title":{"rendered":"MAX7219\u3067\u306e\u5927\u578b7\u30bb\u30b0\u30e1\u30f3\u30c8LED\u99c6\u52d5"},"content":{"rendered":"<p>MAX7219\u306f\u30ab\u30bd\u30fc\u30c9\u30b3\u30e2\u30f3\u7528\u30c9\u30e9\u30a4\u30d0IC\u3067\u3059\u3002<\/p>\n<p>\u7c21\u5358\u306b\u4f7f\u3046\u306a\u3089\u3070\u30ab\u30bd\u30fc\u30c9\u30b3\u30e2\u30f3\u306e7\u30bb\u30b0\u30e1\u30f3\u30c8LED\uff08\u4ee5\u4e0b\u3001LED\uff09\u3092\u4f7f\u7528\u3057\u3066\u3042\u3052\u308c\u3070\u7279\u306b\u554f\u984c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u5927\u578bLED\u3092\u70b9\u706f\u3055\u305b\u3088\u3046\u3068\u3059\u308b\u3068\u8a71\u304c\u5909\u308f\u3063\u3066\u304d\u307e\u3059\u3002 \u5927\u578bLED\u306f\u5927\u62b5\u5185\u90e8\u3067LED\u3092\u76f4\u5217\u63a5\u7d9a\u3057\u3066\u3044\u308b\u306e\u3067\u99c6\u52d5\u96fb\u5727\u304c\u9ad8\u3044\u305f\u3081MAX7219\u3067\u306e\u5358\u4f53\u99c6\u52d5\u304c\u51fa\u6765\u305a\u5916\u4ed8\u3051\u306e\u99c6\u52d5\u7528\u56de\u8def\u304c\u5fc5\u8981\u3067\u3059\u3002\uff08\u3042\u3068\u306f\u8981\u6c42\u96fb\u6d41\u91cf\u304c\u5927\u304d\u3044\uff09<\/p>\n<p>\u305d\u3053\u3067\u3001\u8a71\u306b\u4e0a\u304c\u3063\u3066\u304f\u308b\u306e\u304c\u99c6\u52d5\u65b9\u5f0f\u3092\u30ab\u30bd\u30fc\u30c9\u30b3\u30e2\u30f3\u21d2\u30a2\u30ce\u30fc\u30c9\u30b3\u30e2\u30f3\u306b\u5909\u63db\u3057\u3066\u306e\u99c6\u52d5\u3067\u3059\u3002<br \/>\n\u203b\uff1a\u5916\u4ed8\u3051\u30c9\u30e9\u30a4\u30d0IC\u304b\u99c6\u52d5\u56de\u8def\u3068\u3057\u3066\u3001PNP\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\uff06\u30c0\u30fc\u30ea\u30f3\u30c8\u30f3\u30b7\u30f3\u30afC\u306a\u3069\u304c\u5fc5\u8981<\/p>\n<p><a href=\"https:\/\/blog.eldhrimnir.com\/wp-content\/uploads\/2012\/04\/60f3234b7f03778e199077bdd2be6dc111.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1226\" title=\"60f3234b7f03778e199077bdd2be6dc11\" src=\"https:\/\/blog.eldhrimnir.com\/wp-content\/uploads\/2012\/04\/60f3234b7f03778e199077bdd2be6dc111.jpg\" alt=\"\" width=\"420\" height=\"316\" \/><\/a><\/p>\n<p>\u3068\u3044\u3046\u524d\u7f6e\u304d\u3067\u3057\u3066\u3001\u99c6\u52d5\u56de\u8def\u3092\u8003\u3048\u3066\u5229\u70b9\u6b20\u70b9\u3092\u898b\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f5c\u3063\u3066\u307f\u308b\u3068\u308f\u304b\u308b\u306e\u3067\u3059\u304c\u3001\u304b\u306a\u308a\u90e8\u54c1\u70b9\u6570\u306f\u5897\u3048\u308b\u3057\u56de\u8def\u304c\u9762\u5012\u3067\u3059\u2026\u3002<\/p>\n<p><!--more--><\/p>\n<p><strong>\u25a0\u99c6\u52d5\u56de\u8def\uff08\u4e00\u90e8\u629c\u7c8b\u30011\u56de\u8def\u306e\u307f\uff09<\/strong><\/p>\n<p><a href=\"https:\/\/blog.eldhrimnir.com\/wp-content\/uploads\/2012\/04\/60f3234b7f03778e199077bdd2be6dc131.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1228\" title=\"60f3234b7f03778e199077bdd2be6dc13\" src=\"https:\/\/blog.eldhrimnir.com\/wp-content\/uploads\/2012\/04\/60f3234b7f03778e199077bdd2be6dc131.jpg\" alt=\"\" width=\"400\" height=\"301\" \/><\/a><\/p>\n<p><strong>\u25a0\u90e8\u54c1<\/strong><br \/>\n<em>\u99c6\u52d5\u7528\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u00d78\u3001\u62b5\u6297\u00d78\u3001\u99c6\u52d5\u7528IC(ULN2003)\u00d71<\/em><br \/>\n<em> \u5408\u8a08\uff1a17\u500b<\/em><\/p>\n<p><em>\u99c6\u52d5\u96fb\u5727\u30925V\u4ee5\u4e0a\u306b\u3059\u308b\u3068\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u00d716\u3001\u62b5\u6297\u00d724\u304c\u30d7\u30e9\u30b9\u3057\u3066\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/em><br \/>\n<em> \u3082\u3057\u304f\u306f\u3001\u30ab\u30bd\u30fc\u30c9\u99c6\u52d5\u7528\u30c9\u30e9\u30a4\u30d0\u56de\u8def\u3092\u6d41\u7528\u3057\u3066\u99c6\u52d5\u7528IC(LC4066))\u00d72\u3001\u96c6\u5408\u62b5\u6297\u00d71\uff08\u305f\u3060\u3057\u3001\u96fb\u5727\u306f\u99c6\u52d5\u7528IC\u306e\u8010\u572712V\u8fc4\uff09<\/em><br \/>\n<em> \u5408\u8a08\uff1a60\u500b\uff0820\u500b\uff09<\/em><\/p>\n<p><strong><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff; 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