{"id":3992,"date":"2017-12-05T20:13:11","date_gmt":"2017-12-05T11:13:11","guid":{"rendered":"https:\/\/www.chihayafuru.jp\/etrobo\/?p=3992"},"modified":"2019-08-27T08:50:47","modified_gmt":"2019-08-26T23:50:47","slug":"%e3%81%be%e3%81%84%e3%81%be%e3%81%84%e5%bc%8f%e3%81%af%e6%ad%bb%e3%82%93%e3%81%a0%ef%bc%9f-%e3%80%9c-ev3%e3%82%ab%e3%83%a9%e3%83%bc%e3%82%bb%e3%83%b3%e3%82%b5%e3%83%bc%e5%8b%95%e4%bd%9c%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.chihayafuru.jp\/etrobo\/?p=3992","title":{"rendered":"\u307e\u3044\u307e\u3044\u5f0f\u306f\u6b7b\u3093\u3060\uff1f \u301c EV3\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u52d5\u4f5c\u89e3\u6790"},"content":{"rendered":"<p align=\"right\">\u3053\u306e\u6295\u7a3f\u306f <a href=\"http:\/\/qiita.com\/advent-calendar\/2017\/etrobo\">ET\u30ed\u30dc\u30b3\u30f3 Advent Calendar 2017<\/a> \u306e 4\u65e5\u76ee \u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<h2>\u80cc\u666f<\/h2>\n<p>\u521d\u4ee3 <b>Mindstorms RCX<\/b>\u3001\u4e8c\u4ee3\u76ee <b>Mindstorms NXT<\/b> \u306e\u5149\u30bb\u30f3\u30b5\u30fc\u306f\u300c<b>\u5468\u8fba\u5149 (Ambient Light)<\/b>\u300d\u306e\u5f71\u97ff\u3092\u5f37\u304f\u53d7\u3051\u307e\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u3001ET\u30ed\u30dc\u30b3\u30f3\u306e\u7af6\u6280\u30b3\u30fc\u30b9\u306b\u5929\u7a93\u304b\u3089\u65e5\u5dee\u3057\u304c\u5dee\u3057\u8fbc\u3093\u3060\u308a\u3001\u821e\u53f0\u7167\u660e\u7528\u306e\u30b9\u30dd\u30c3\u30c8\u30e9\u30a4\u30c8\u3092\u7af6\u6280\u30b3\u30fc\u30b9\u306b\u5f53\u3066\u308b\u3068\u3001\u5149\u30bb\u30f3\u30b5\u30fc\u306e\u6e2c\u5b9a\u5024\u304c\u60f3\u5b9a\u5916\u306e\u5024\u306b\u89e6\u308c\u3066\u3057\u307e\u3044\u3001\u30b3\u30fc\u30b9\u30a2\u30a6\u30c8\u3059\u308b\u8d70\u884c\u4f53\u304c\u7d9a\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u5468\u8fba\u5149\u306e\u5f71\u97ff\u3092\u6253\u3061\u6d88\u3059\u624b\u6bb5\u3068\u3057\u3066\u79c1\u304c2009\u5e74\u306e\u95a2\u6771\u5730\u533a\u5927\u4f1a\u3067\u958b\u767a\u3057\u305f\u65b9\u6cd5\u304c\u300e<a href=\"\/etrobo\/?p=1349\">\u307e\u3044\u307e\u3044\u5f0f<\/a>\u300f\u3067\u3059\u3002<\/p>\n<p>Mindstorms NXT\u304c\u8d70\u884c\u4f53\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u305f2014\u5e74\u5927\u4f1a\u9803\u307e\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u53c2\u52a0\u30c1\u30fc\u30e0\u306e\u7686\u3055\u3093\u304c\u300c\u307e\u3044\u307e\u3044\u5f0f\u300d\u306b\u6539\u826f\u3092\u52a0\u3048\u3066\u63d0\u6848\u3057\u3066\u304f\u3060\u3055\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u8d70\u884c\u4f53\u304cMindstorms EV3\u306b\u7f6e\u304d\u63db\u308f\u3063\u3066\u304b\u3089\u306f\u300c\u307e\u3044\u307e\u3044\u5f0f\u300d\u304c\u3001ET\u30ed\u30dc\u30b3\u30f3\u3067\u8a00\u53ca\u3055\u308c\u308b\u56de\u6570\u3082\u6e1b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>Mindstorms EV3\u306e\u6a19\u6e96\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\uff08\u5149\u30bb\u30f3\u30b5\u30fc\uff09\u3092\u4f7f\u3063\u3066\u307f\u308b\u3068\u3001\u5468\u8fba\u5149\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u7d4c\u9a13\u7684\u306b\u308f\u304b\u308a\u307e\u3059\u3002\u3067\u306f\u300c\u307e\u3044\u307e\u3044\u5f0f\u300d\u306f\u6b7b\u3093\u3067\u3057\u307e\u3063\u305f\u306e\u304b\uff1f \u30aa\u30ef\u30b3\u30f3\u306a\u306e\u304b\uff1f \u30ca\u30b7\u5bc4\u308a\u306e\u30ca\u30b7\u306a\u306e\u304b\uff1f EV3\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306e\u52d5\u4f5c\u3092\u691c\u8a3c\u3057\u3066\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002 \ud83d\ude00<br \/>\n<!--more--><\/p>\n<p>&nbsp;<\/p>\n<h2>\u5149\u30bb\u30f3\u30b5\u30fc\u6e2c\u5b9a\u539f\u7406<\/h2>\n<p>Mindstorms\u30b7\u30ea\u30fc\u30ba\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u5149\u30bb\u30f3\u30b5\u30fc\uff08\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\uff09\u306e\u6e2c\u5b9a\u65b9\u6cd5\u306f\u5358\u7d14\u3067\u3059\u3002\u30e9\u30a4\u30f3\u30c8\u30ec\u30fc\u30b9\u30ed\u30dc\u30c3\u30c8\u306e\u3070\u3042\u3044\u3001<b>\u6295\u5149\u7167\u660e (Floodlight)<\/b>\u3068\u547c\u3070\u308c\u308bLED\u304b\u3089\u30b3\u30fc\u30b9\uff08\u5e8a\uff09\u306b\u5411\u3051\u3066\u5149\u3092\u5f53\u3066\u3066\u3001\u30b3\u30fc\u30b9\u304c\u53cd\u5c04\u3057\u305f\u5149\uff08\uff1d\u53cd\u5c04\u5149\uff09\u306e\u5f37\u5f31\u3092\u5149\u30bb\u30f3\u30b5\u30fc\u306e\u53d7\u5149\u7d20\u5b50\u3067\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u5e8a\u306b\u63cf\u304b\u308c\u305f\u30e9\u30a4\u30f3\u306e\u660e\u5ea6\uff08\u9ed2\u767d\uff09\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6e2c\u5b9a\u65b9\u6cd5\u306f\u521d\u4ee3RCX\u304b\u3089\uff13\u4ee3\u76eeEV3\u306e\u6a19\u6e96\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306b\u81f3\u308b\u307e\u3067\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u300c\u5468\u8fba\u5149\uff08\u305f\u3068\u3048\u3070\u5929\u4e95\u706f\u306e\u660e\u308b\u3055\uff09\u300d\u304c\u300c\u53cd\u5c04\u5149\u300d\u3088\u308a\u3082\u5341\u5206\u306b\u6697\u3051\u308c\u3070\uff08\u5f31\u3051\u308c\u3070\uff09\u5f71\u97ff\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u300c\u5468\u8fba\u5149\u300d\u304c\u300c\u53cd\u5c04\u5149\u300d\u306b\u5bfe\u3057\u3066\u7121\u8996\u3067\u304d\u306a\u3044\u7a0b\u5ea6\u306b\u300c\u660e\u308b\u3044\uff08\u5f37\u3044\uff09\u300d\u74b0\u5883\u3067\u306f\u3001\u5149\u30bb\u30f3\u30b5\u30fc\u306e\u53d7\u5149\u7d20\u5b50\u3067\u6e2c\u5b9a\u3059\u308b\u5024\u306f\u300c\u53cd\u5c04\u5149\u300d\uff0b\u300c\u5468\u8fba\u5149\u300d\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u300c\u5468\u8fba\u5149\u300d\u304c\u7af6\u6280\u30b3\u30fc\u30b9\u306e\u5834\u6240\u306b\u3088\u308a\u30e0\u30e9\uff08\u660e\u6697\uff09\u304c\u3042\u308b\u3068\u3001\u300c\u53cd\u5c04\u5149\u306e\u660e\u5ea6\u306e\u5dee\u300d\u3068\u300c\u5468\u8fba\u5149\u306e\u660e\u5ea6\u306e\u5dee\u300d\u304c\u30df\u30c3\u30af\u30b9\u3057\u3066\u3057\u307e\u3044\u3001\u30e9\u30a4\u30f3\u30c8\u30ec\u30fc\u30b9\u30ed\u30dc\u30c3\u30c8\u304c\u30b3\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u898b\u5931\u3063\u3066\u30b3\u30fc\u30b9\u30a2\u30a6\u30c8\u3059\u308b\u539f\u56e0\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30cf\u30a4\u30b9\u30d4\u30fc\u30c9\u30ab\u30e1\u30e9\u64ae\u5f71<\/h2>\n<p>\u30cf\u30a4\u30b9\u30d4\u30fc\u30c9\u30ab\u30e1\u30e9(Casio EXILIM EX-F1)\u3067\u3001\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306eLED(Flood Light)\u3092\u64ae\u5f71\u3057\u3066\u307f\u307e\u3059\u3002\u30e2\u30fc\u30c9\u306f\u53cd\u5c04\u30e2\u30fc\u30c9\u3067\u3059\u3002\u6bce\u79d21200\u30b3\u30de\u3067\u64ae\u5f71\u3057\u305f\u52d5\u753b\u3092\u30b9\u30ed\u30fc\u518d\u751f\u3055\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/r1LzlHNFVwo?rel=0\" frameborder=\"0\" gesture=\"media\" allow=\"encrypted-media\" allowfullscreen><\/iframe><\/p>\n<p>\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306e\u8d64\u8272LED\u304c\u660e\u6ec5\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\uff11\u79d2\u9593\u306b1200\u30b3\u30de\u306e\u9ad8\u901f\u3067\u64ae\u5f71\u3057\u3066\u3082<b>\u30a8\u30ea\u30a2\u30b7\u30f3\u30b0(Aliasing)<\/b>\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3001\u660e\u6ec5\u306e\u77ac\u9593\u304c\u30cf\u30c3\u30ad\u30ea\u3068\u306f\u64ae\u5f71\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5149\u6e2c\u5b9a \u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u56de\u8def<\/h2>\n<p>\u52d5\u753b\u64ae\u5f71\u3067\u306f\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306eLED\u306e\u660e\u6ec5\u3092\u30cf\u30c3\u30ad\u30ea\u3068\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u7167\u5ea6\u30bb\u30f3\u30b5\u30fc(phototransistor)\u3092\u4f7f\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u5199\u771f\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u96fb\u5b50\u56de\u8def\u3092\u7d44\u307f\u3001\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3067\u96fb\u5727\u306e\u6642\u9593\u5909\u5316\u3092\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/etrobo\/wp-content\/uploads\/2017\/12\/PhototransistorCircuit.jpg\" alt=\"\u30d5\u30a9\u30c8\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf \u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u56de\u8def\"><\/p>\n<p>&nbsp;<\/p>\n<h2>\u5149\u6e2c\u5b9a \u56de\u8def\u56f3<\/h2>\n<p><img decoding=\"async\" src=\"\/etrobo\/wp-content\/uploads\/2017\/12\/CircuitDiagram.png\" alt=\"\u30d5\u30a9\u30c8\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u56de\u8def\u56f3\"><\/p>\n<p>\u30d5\u30a9\u30c8\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u30fc\u306f\u660e\u308b\u3055\uff08\u5149\u306e\u5f37\u3055\uff09\u306b\u6bd4\u4f8b\u3057\u3066\u96fb\u6d41\u304c\u6d41\u308c\u308b\u305f\u3081\u3001\u76f4\u5217\u306b\u63a5\u7d9a\u3057\u305f\u62b5\u6297\u306e\u30c9\u30ed\u30c3\u30d7\u96fb\u5727\u3092\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3067\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u53cd\u5c04\u30e2\u30fc\u30c9\u6e2c\u5b9a\u7d50\u679c<\/h2>\n<p><a href=\"\/etrobo\/wp-content\/uploads\/2017\/12\/scope-reflection_mode.png\"><br \/>\n<img decoding=\"async\" src=\"\/etrobo\/wp-content\/uploads\/2017\/12\/scope-reflection_mode.png\" alt=\"\u53cd\u5c04\u30e2\u30fc\u30c9 \u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u753b\u9762\"><br \/>\n<\/a><\/p>\n<p>\u7d041000\u30de\u30a4\u30af\u30ed\u79d2\uff08=1\u30df\u30ea\u79d2\uff09\u306e\u5468\u671f\u3067LED\u304c\u660e\u6ec5\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\nLED\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u671f\u9593\u306f\u610f\u5916\u306b\u77ed\u304f\u7d04150\u30de\u30a4\u30af\u30ed\u79d2\u3067\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>RGB\u30e2\u30fc\u30c9\u6e2c\u5b9a\u7d50\u679c<\/h2>\n<p><a href=\"\/etrobo\/wp-content\/uploads\/2017\/12\/scope-rgb_mode.png\"><br \/>\n<img decoding=\"async\" src=\"\/etrobo\/wp-content\/uploads\/2017\/12\/scope-rgb_mode.png\" alt=\"RGB\u30e2\u30fc\u30c9 \u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u753b\u9762\"><br \/>\n<\/a><\/p>\n<p>\u660e\u6ec5\u306e\u5468\u671f\u306f\u53cd\u5c04\u30e2\u30fc\u30c9\u3068\u540c\u3058\u7d041000\u30de\u30a4\u30af\u30ed\u79d2\u3067\u3057\u305f\u3002<br \/>\nLED\u306e\u70b9\u706f\u306e\u30d4\u30fc\u30af\u304c\uff13\u6bb5\u968e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u8d64\u3001\u9752\u3001\u7dd1\u306e\uff13\u8272\u306eLED\u304c\u4ea4\u4e92\u306b\u70b9\u706f\u3057\u3066\u3044\u308b\u7d50\u679c\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>EV3\u30ab\u30e9\u30fc\u30bb\u30f3\u30b5\u30fc\u306f\u6a19\u6e96\u52d5\u4f5c\u3067\u300c\u307e\u3044\u307e\u3044\u5f0f\u300d\u3092\u3064\u304b\u3044\u5468\u8fba\u5149\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u3044\u307e\u3044\u5f0f\u306f\u6b7b\u3093\u3067\u3044\u306a\u304b\u3063\u305f\u2026 \ud83d\ude00<\/p>\n<p>\u4eca\u56de\u306e\u52d5\u4f5c\u89e3\u6790\u306b\u306f\u300c<b>\u53cd\u5c04(reflection)\u30e2\u30fc\u30c9<\/b>\u300d\u3068\u300c<b>RGB\u30e2\u30fc\u30c9<\/b>\u300d\u3067\u6e2c\u5b9a\u65b9\u6cd5\u306e\u9055\u3044\u306f\u3042\u308b\u304b\uff1f\u3068\u3044\u3046\u88cf\u30c6\u30fc\u30de\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u7d50\u679c\u3060\u3051\u3092\u307f\u308b\u3068\u3001\u3044\u305a\u308c\u306e\u65b9\u6cd5\u3067\u3082\u5468\u8fba\u5149\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u51e6\u7406\u304c\u50cd\u3044\u3066\u3044\u308b\u3057\u3001\u6e2c\u5b9a\u5468\u671f\u3082\u540c\u3058\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u5927\u304d\u306a\u9055\u3044\u306f\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u6295\u7a3f\u306f ET\u30ed\u30dc\u30b3\u30f3 Advent Calendar 2017 \u306e 4\u65e5\u76ee \u306e\u8a18\u4e8b\u3067\u3059\u3002 \u80cc\u666f \u521d\u4ee3 Mindstorms RCX\u3001\u4e8c\u4ee3\u76ee Mindstorms NXT \u306e\u5149\u30bb\u30f3\u30b5\u30fc\u306f\u300c\u5468\u8fba\u5149 (Ambient Li &hellip; <a href=\"https:\/\/www.chihayafuru.jp\/etrobo\/?p=3992\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[38,25],"class_list":["post-3992","post","type-post","status-publish","format-standard","hentry","category-ev3","tag-38","tag-25"],"_links":{"self":[{"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/posts\/3992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3992"}],"version-history":[{"count":34,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/posts\/3992\/revisions"}],"predecessor-version":[{"id":4050,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=\/wp\/v2\/posts\/3992\/revisions\/4050"}],"wp:attachment":[{"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chihayafuru.jp\/etrobo\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}