{"id":4703,"date":"2015-11-15T21:10:08","date_gmt":"2015-11-15T12:10:08","guid":{"rendered":"https:\/\/y2tech.net\/blog\/?p=4703"},"modified":"2016-08-09T21:32:44","modified_gmt":"2016-08-09T12:32:44","slug":"analyzing-dc-power-noise-of-the-raspberry-pi-2","status":"publish","type":"post","link":"https:\/\/y2tech.net\/blog\/d-i-y\/analyzing-dc-power-noise-of-the-raspberry-pi-2-4703\/","title":{"rendered":"Raspberry Pi 2 \u306e\u96fb\u6e90\u5efb\u308a\u306e\u30ce\u30a4\u30ba\u3092\u63a2\u3063\u3066\u307f\u305f"},"content":{"rendered":"<h3>Raspberry Pi 2 \u306e\u96fb\u6e90\u5efb\u308a\u306e\u30ce\u30a4\u30ba\u3092\u7c21\u5358\u306b\u8abf\u3079\u3066\u307f\u305f<\/h3>\r\n<br>\r\n<p>Raspberry Pi 2 \u306b\u95a2\u3057\u3066\u306f\u3001\u3053\u308c\u307e\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8ff0\u3079\u3066\u304d\u305f\u304c\u3001\u3053\u3053\u3067\u3061\u3087\u3063\u3068\u304a\u904a\u3073\u3092\u517c\u306d\u3066Raspberry Pi\u306e\u96fb\u6e90\u5efb\u308a\u3092\u5f04\u3063\u3066\u307f\u305f\u306e\u3067\u305d\u306e\u6a21\u69d8\u3092\u7d39\u4ecb\u3057\u3066\u304a\u304f\uff0e\u5148\u6708\u304b\u3089\u3053\u306e\u30d6\u30ed\u30b0\u306e\u30db\u30b9\u30c8\u30b5\u30fc\u30d0\u3092\u3055\u304f\u3089\u306eVPS\u74b0\u5883\u306b\u79fb\u3057\u305f\u306e\u3067\u3001\u3064\u3044\u3067\u306b Google Analytics \u306e\u30b3\u30fc\u30c9\u3092\u4ed5\u8fbc\u3093\u3067\u3001Google Analytics\u3067\u3053\u306e\u30d6\u30ed\u30b0\u30b5\u30a4\u30c8\u304c\u3069\u306e\u3088\u3046\u306a\u4eba\u9054\u306b\u611f\u5fc3\u304c\u6301\u305f\u308c\u3001\u3069\u306e\u3088\u3046\u306a\u8a18\u4e8b\u306b\u30a2\u30af\u30bb\u30b9\u304c\u591a\u3044\u306e\u304b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\uff0e<\/p>\r\n<br>\r\n<p>\u307e\u3060\u30013\u9031\u9593\u7a0b\u5ea6\u3057\u304b\u30c7\u30fc\u30bf\u304c\u6e9c\u307e\u3063\u3066\u3044\u306a\u3044\u304c\u3001Raspberry Pi\u95a2\u9023\u306e\u8a18\u4e8b\u306b\u30a2\u30af\u30bb\u30b9\u304c\u591a\u3044\u3088\u3046\u306a\u306e\u3067\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066\u6d3b\u7528\u3059\u308b\u5834\u5408\u306b\u3001\u3068\u3066\u3082\u6c17\u306b\u306a\u308b\u3067\u3042\u308d\u3046Raspberry Pi\u306e\u30ce\u30a4\u30ba\u7279\u6027\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8abf\u3079\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u305f\uff0e\u30ce\u30a4\u30ba\u3092\u304d\u3061\u3093\u3068\u5b9a\u91cf\u5316\u3057\u3066\u6e2c\u5b9a\u3059\u308b\u306b\u306f\u9ad8\u4fa1\u306a\u30b9\u30da\u30af\u30c8\u30e9\u30e0\u30a2\u30ca\u30e9\u30a4\u30b6\u3084\u5c02\u7528\u306e\u6e2c\u5b9a\u5668\u3001\u96fb\u6ce2\u6697\u5ba4\u306a\u3069\u306e\u8a2d\u5099\u304c\u5fc5\u8981\u306b\u306a\u308b\u304c\u3001\u5f53\u7136\u306a\u304c\u3089\u305d\u3093\u306a\u30ea\u30c3\u30c1\u306a\u8a2d\u5099\u306f\u6301\u3061\u5408\u308f\u305b\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5358\u7d14\u306a\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u306b\u3088\u308b\u4f4e\u5468\u6ce2\u9818\u57df\u3067\u306e\u3044\u3044\u52a0\u6e1b\u306a\u89b3\u5bdf\u7d50\u679c\u3067\u3042\u308b\u304c\u3001\u305d\u308c\u3067\u3082\u3042\u308b\u7a0b\u5ea6\u306e\u6307\u6a19\u306b\u306f\u306a\u308b\u3060\u308d\u3046\uff0e<\/p>\r\n<br>\r\n<p>\u3055\u3066\u3001\u809d\u5fc3\u306eRaspberry Pi \u306e\u30ce\u30a4\u30ba\u306b\u3064\u3044\u3066\u3067\u3042\u308b\u304c\u3001\u30ce\u30a4\u30ba\u306e\u767a\u751f\u6e90\u3068\u306a\u308b\u8981\u56e0\u306f\u5c71\u307b\u3069\u3042\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u306f\u4e3b\u306b\u96fb\u6e90\u5efb\u308a\u306e\u30ce\u30a4\u30ba\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u305f\uff0e\u3068\u306f\u8a00\u3063\u3066\u3082\u79c1\u304c\u6301\u3063\u3066\u3044\u308bRaspberry Pi\u306f\u6700\u65b0\u306eRaspberry Pi 2\u306e\u307f\u306a\u306e\u3067\u3001\u521d\u671f\u306eRaspberry Pi\u306b\u3064\u3044\u3066\u306f\u4eca\u56de\u306e\u8a18\u4e8b\u3068\u540c\u3058\u3088\u3046\u306a\u30ce\u30a4\u30ba\u7279\u6027\u3092\u6709\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u4e0d\u660e\u3060\uff0e<\/p>\r\n<br>\r\n<p>Raspberry Pi 2\u306fARM\u3000V7\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306eCPU\u30b3\u30a2\u3092\uff14\u3064\u6301\u3061\u3001900MHz\u3068\u3044\u3046\u3053\u308c\u307e\u3067\u306eRaspberry Pi\u30e2\u30c7\u30eb\u3092\u9065\u304b\u306b\u51cc\u3050\u6027\u80fd\u3092\u6709\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u7686\u3055\u3093\u3054\u5b58\u3058\u306e\u4e8b\u3068\u601d\u3046\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u6027\u80fd\u30a2\u30c3\u30d7\u3068\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3059\u308b\u3088\u3046\u306b\u30ce\u30a4\u30ba\u74b0\u5883\u306f\u60aa\u5316\u3057\u3066\u3044\u308b\u7b48\u3060\uff0e\uff08\u6614\u306eRaspberry Pi\u30e2\u30c7\u30eb\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u3042\u304f\u307e\u3067\u3082\u79c1\u306e\u63a8\u6e2c\uff09<\/p>\r\n<br>\r\n<p>\u73fe\u884c\u306eRaspberry Pi 2\u306e\u4e00\u30e2\u30c7\u30eb\u524d\u306eRaspberry Pi B+ \u3068\u3044\u3046\u30e2\u30c7\u30eb\u304b\u3089GPIO\u30d4\u30f3\u30b3\u30cd\u30af\u30bf\u304c40pin\u4ed5\u69d8\u306b\u5909\u66f4\u3055\u308c\u308b\u3068\u5171\u306b\u3001Raspberry Pi\u5185\u90e8\u3067\u4f7f\u7528\u3059\u308b\u96fb\u6e90\u74b0\u5883\u304c\u3001\u3053\u308c\u307e\u3067\u306e\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u304b\u3089\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u306b\u5909\u66f4\u306b\u306a\u3063\u3066\u3044\u308b\uff0eRaspberry Pi\u306e\u6027\u80fd\u30a2\u30c3\u30d7\u306b\u4f34\u3044\u3001\u96fb\u6e90\u5efb\u308a\u306e\u52b9\u7387\u5316\u3068\u3001\u5fc5\u8981\u306a\u96fb\u6e90\u30ea\u30bd\u30fc\u30b9\u306e\u95a2\u4fc2\u3067\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u3092\u5c0e\u5165\u305b\u3056\u308b\u8ca0\u3048\u306a\u304f\u306a\u308b\u4e8b\u306f\u5fc5\u7136\u7684\u3068\u306f\u8a00\u3048\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u7528\u9014\u3068\u3057\u3066\u306f\u3067\u304d\u308c\u3070\u6614\u306e\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u3092\u8e0f\u8972\u3057\u3066\u6b32\u3057\u304b\u3063\u305f\uff0e<\/p>\r\n<br>\r\n<p>\u5c24\u3082\u3001\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u306e\u307e\u307e\u3060\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u4e00\u822c\u7684\u306a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u306eAC\u30a2\u30c0\u30d7\u30bf\u3084PC\u306a\u3069\u306eUSB\u96fb\u6e90\u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u6700\u521d\u304b\u3089\u30ce\u30a4\u30ba\u307e\u307f\u308c\u306a\u306e\u3067\u3001\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3082\u3078\u3063\u305f\u304f\u308c\u3082\u306a\u3044\u3068\u306f\u601d\u3046\u304c\uff0e\uff0e\uff0e<\/p>\r\n<br>\r\n<p>\u524d\u7f6e\u304d\u304c\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u304c\u3001\u5148\u305a\u306fRaspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u304c\u3069\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u8abf\u3079\u3066\u307f\u308b\u3053\u3068\u306b\u3059\u308b\uff0e\u6700\u521d\u306b\u3084\u3063\u3066\u898b\u305f\u3053\u3068\u306f\u3001\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u65b9\u5f0f\u306e\u30ed\u30fc\u30ce\u30a4\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306b\u3088\u308b\u96fb\u6e90\u88c5\u7f6e\u304b\u3089DC+5V\u3092\u4f9b\u7d66\u3057\u3001Raspberry Pi 2\u5358\u4f53\u3067\u96fb\u6e90\u30e9\u30a4\u30f3\u306b\u3069\u306e\u3088\u3046\u306a\u30ce\u30a4\u30ba\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u304b\u8abf\u3079\u3066\u307f\u305f\uff0e<\/p>\r\n<br>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57253-640x427.jpg\" alt=\"\u5185\u8535\u96fb\u6e90\u306e\u30ce\u30a4\u30ba\u3092\u89b3\u5bdf\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4705\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57253.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57253-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u5916\u90e8\u96fb\u6e90\u88c5\u7f6e\u304b\u3089+5V\uff08\u8d64\u7dda\uff09\u3092\u4f9b\u7d66\u3057\u3001+3.3V\u51fa\u529b\u7aef\u5b50\uff081\u756a\u30d4\u30f3\uff09\u306b\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u306e\u30d7\u30ed\u30fc\u30d6\u3092\u7e4b\u3050<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57249-640x427.jpg\" alt=\"+3.3V Line\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4709\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57249.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57249-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>+3.3V\u51fa\u529b\u7aef\u5b50\uff081\u756a\u30d4\u30f3\uff09\u306e\u30ce\u30a4\u30ba\u6ce2\u5f62\uff08Disk I\/O \u304c\u7121\u3044\u72b6\u614b\uff09<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57258-640x427.jpg\" alt=\"With disk  I\/O\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4710\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57258.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57258-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>Disk I\/O \u304c\u767a\u751f\u3059\u308b\u3068+3.3V\u51fa\u529b\u7aef\u5b50\u306b\u306f\u591a\u91cf\u306e\u30ce\u30a4\u30ba\u304c\u767a\u751f\u3059\u308b<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57254-640x427.jpg\" alt=\"OS Shutdowned State\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4711\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57254.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57254-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>OS\u3092\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3055\u305b\u305f\u72b6\u614b\uff08\u96fb\u6e90\u306fON\u306e\u307e\u307e\uff09\u3067\u306e+3.3V\u7cfb\u96fb\u6e90\u306e\u30ce\u30a4\u30ba<\/span>\r\n<br>\r\n<\/div>\r\n<br>\r\n<br>\r\n<p>\u3053\u306e\u7d50\u679c\u304b\u3089\u5224\u308b\u3088\u3046\u306b\u3001Raspberry Pi 2 \u306e\u5185\u90e8\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3067\u4f5c\u308a\u51fa\u3055\u308c\u308b+3.3V\u7cfb\u306e\u96fb\u6e90\u306f\u3001\u5e38\u306b\u30ce\u30a4\u30ba\u304c\u4e57\u3063\u3066\u304a\u308a\u3001Disk I\/O \u306a\u3069\u304c\u767a\u751f\u3059\u308b\u3068\u30ce\u30a4\u30ba\u306e\u91cf\u304c\u5897\u3048\u308b\u4e8b\u304b\u3089\u3082\u3001+3.3V\u7cfb\u306e\u96fb\u6e90\u306fHi-Fi\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u306e\u96fb\u6e90\u3068\u3057\u3066\u306f\u3068\u3066\u3082\u4f7f\u3044\u3082\u306e\u306b\u306a\u3089\u306a\u3044\u3060\u308d\u3046\uff0eOS\u304c\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u305f\u72b6\u614b\u3067CPU\u5efb\u308a\u306e\u30af\u30ed\u30c3\u30af\u304c\u3069\u306e\u3088\u3046\u72b6\u614b\u306a\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u304c\u3001\u3053\u306e\u30ce\u30a4\u30ba\u6210\u5206\u306f\u307b\u307c\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u30ce\u30a4\u30ba\u3068\u898b\u306a\u3057\u3066\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044\uff0e\u3053\u306e\u7d50\u679c\u3092\u898b\u308b\u9650\u308a\u3001+3.3V\u7cfb\u306e\u96fb\u6e90\u30ce\u30a4\u30ba\u306e\u6210\u5206\u306fRaspberry Pi 2 \u306e\u30af\u30ed\u30c3\u30af\u306a\u3069\u3067\u767a\u751f\u3059\u308b\u65b9\u304c\u591a\u3044\u306e\u304b\u3082\u3057\u308c\u306a\u3044\uff0e<\/p>\r\n<br>\r\n<br>\r\n<hr \/>\r\n<h4>\u5185\u8535\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u53d6\u308a\u5916\u3057\u3066\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u304b\u3089+3.3V\/+1.8V\u3092\u4f9b\u7d66\u3059\u308b\u65b9\u5f0f\u306b\u6539\u9020\u3059\u308b<\/h4>\r\n<br>\r\n<p>\u5148\u306e\u7d50\u679c\u304b\u3089+3.3V\u7cfb\u306e\u96fb\u6e90\u30ce\u30a4\u30ba\u306e\u5927\u90e8\u5206\u306fRaspberry Pi 2 \u306eCPU\u3084\u5468\u8fba\u30c1\u30c3\u30d7\u5185\u90e8\u3067\u767a\u751f\u3059\u308b\u30ce\u30a4\u30ba\u3089\u3057\u3044\u3068\u3044\u3046\u4e8b\u304c\u78ba\u304b\u3081\u3089\u308c\u305f\u304c\u3001\u5f71\u97ff\u304c\u5c0f\u3055\u3044\u3068\u306f\u8a00\u3048\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u304c\u5185\u90e8\u3067\u52d5\u3044\u3066\u3044\u308b\u306e\u306f\u3084\u306f\u308a\u6c17\u6301\u3061\u304c\u60aa\u3044\u3068\u3044\u3046\u304b\u3001\u3067\u304d\u308c\u3070\u30ce\u30a4\u30ba\u6e90\u306f\u6975\u529b\u6e1b\u3089\u3057\u305f\u3044\u6240\u3060\uff0e\u307b\u3093\u306e\u6c17\u4f11\u3081\u7a0b\u5ea6\u306b\u3057\u304b\u306a\u3089\u306a\u3044\u304c\u3001Raspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u3092\u6539\u9020\u3057\u3066\u3001+3.3V\/+1.8V\u306e\u96fb\u6e90\u30e9\u30a4\u30f3\u3092\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u65b9\u5f0f\u306e\u96fb\u6e90\u4f9b\u7d66\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u3057\u305f\uff0e<\/p>\r\n<br>\r\n<p>\u5148\u305aRaspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u78ba\u304b\u3081\u3066\u304a\u304f\uff0eRaspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u306e\u4e3b\u8981\u56de\u8def\u306f+5V\u4f9b\u7d66\u7528\u306e Micro USB\u7aef\u5b50\u4ed8\u8fd1\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001+5V\u304b\u3089+3.3V\u3068+1.8V\u3092\u4f5c\u308a\u51fa\u3057\u3066\u3044\u308b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3068\u305d\u306e\u5468\u8fba\u56de\u8def\u306e\u69cb\u6210\u3092\u5165\u5ff5\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304a\u304f\uff0eRaspberry Pi 2\u306e\u4e00\u4e16\u4ee3\u524d\u306eRaspberry Pi B+\u306e\u96fb\u6e90\u5efb\u308a\u3082\u82e5\u5e72\u90e8\u54c1\u306e\u914d\u7f6e\u304c\u7570\u306a\u308b\u3060\u3051\u3067\u3001\u6b86\u3069\u540c\u3058\u3088\u3046\u306a\u69cb\u6210\u306a\u306e\u3067Raspberry Pi B+\u3067\u3082\u540c\u3058\u3060\uff0e<\/p>\r\n<br>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57268-640x427.jpg\" alt=\"Raspberry Pi 2 \u306e\u96fb\u6e90\u56de\u8def\u5efb\u308a\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4712\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57268.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57268-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u96fb\u6e90\u90e8\u5206\u306e\u4e3b\u8981\u30d1\u30fc\u30c4\u3067\u3042\u308b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3068L1,L2\u306e\u4f4d\u7f6e\u95a2\u4fc2\u3068\u5f79\u5272\u3092\u78ba\u8a8d\u3059\u308b<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>Micro USB\u7aef\u5b50\u306e\u5148\u306b\u3042\u308b12\u672c\u8db3\u306e\u9ed2\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3067\u3001&#8221;4R7&#8243;\u3068\u523b\u5370\u3055\u308c\u3066\u3044\u308b\uff12\u3064\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30fc(L1,L2\uff09\u304c\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306b\u3088\u3063\u3066\u4f5c\u308a\u51fa\u3055\u308c\u305f+3.3V(L1)\u3068+1.8V(L2)\u306e\u96fb\u6e90\u306b\u542b\u307e\u308c\u308b\u30d1\u30eb\u30b9\u72b6\u306e\u30ce\u30a4\u30ba\u3092\u4f4e\u6e1b\u3055\u305b\u308b\u305f\u3081\u306e\u7269\u3060\uff0eIC\u30c1\u30c3\u30d7\u5074\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u5074\u306e\u7aef\u5b50\u304c\u5165\u529b\u5074\u3067\u3001C1\u3068C8\u306e\u30c1\u30c3\u30d7\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3088\u3063\u3066\u7c21\u5358\u306aLC\u5e73\u6ed1\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\uff0e\u3053\u306e\u7a0b\u5ea6\u306e\u7c21\u5358\u306aLC\u56de\u8def\u306b\u3088\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3057\u304b\u7528\u3044\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u751f\u6210\u3055\u308c\u308bDC\u96fb\u6e90\u306e\u8cea\u306b\u3064\u3044\u3066\u306f\u8a00\u3046\u307e\u3067\u3082\u306a\u3044\u3060\u308d\u3046\u304c\u3001\u5148\u306e\u89b3\u5bdf\u7d50\u679c\u304b\u3089\u3053\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\uff08\u30e1\u30fc\u30ab\u3084\u578b\u756a\u306f\u4e0d\u660e\uff09\u306f\u5c0f\u3055\u306a\u5272\u306b\u306f\u7d50\u69cb\u6027\u80fd\u304c\u826f\u3044\u3088\u3046\u3060\uff0eUSB\u7aef\u5b50\u306e\u5148\u306b\u3042\u308b&#8221;D5&#8243;\u3068\u8a18\u3055\u308c\u305f\u9ed2\u304f\u3066\u56db\u89d2\u3044\u30c1\u30c3\u30d7\u306f+DC5V\u96fb\u6e90\u4fdd\u8b77\u7528\u306e\u30c0\u30a4\u30aa\u30fc\u30c9\u3060\uff0e&#8221;D5&#8243;\u5074\u306e\u7aef\u5b50\u306b+5V\u304c\u4f9b\u7d66\u3055\u308c\u308b\u306e\u3067\u3001\u8ca7\u5f31\u306aMicroUSB\u30b3\u30cd\u30af\u30bf\u3092\u96fb\u6e90\u4f9b\u7d66\u306b\u4f7f\u3044\u305f\u304f\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u3053\u306b+5V\u96fb\u6e90\u30e9\u30a4\u30f3\u3092\u76f4\u63a5\u7e4b\u3050\u304b\u3001GPIO\u7aef\u5b50\u306e#2,#4\u756a\u30d4\u30f3\u3092\u901a\u3058\u3066\u4f9b\u7d66\u3059\u308c\u3070\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n<br>\r\n<p>\u4eca\u56de\u306e\u6539\u9020\u3067\u306f\u3001\u30a4\u30f3\u30c0\u30af\u30bfL1,L2\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3092\u57fa\u677f\u304b\u3089\u53d6\u308a\u9664\u304f\u4e8b\u304c\u6700\u5927\u306e\u96e3\u95a2\u3067\u3001\u8868\u9762\u5b9f\u88c5\u3055\u308c\u305f\u90e8\u54c1\u3092\u53d6\u308a\u5916\u3059\u306e\u306f\u3061\u3087\u3063\u3068\u3057\u305f\u30c6\u30af\u30cb\u30c3\u30af\u304c\u5fc5\u8981\u3060\uff0e\u5177\u4f53\u7684\u306a\u53d6\u308a\u5916\u3057\u306e\u624b\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001Google\u5148\u751f\u306b\u300c\u8868\u9762\u5b9f\u88c5\u90e8\u54c1\u53d6\u308a\u5916\u3057\u300d\u3068\u3044\u3046\u3088\u3046\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u805e\u3044\u3066\u898b\u308b\u306e\u304c\u826f\u3044\u3060\u308d\u3046\uff0e\u624b\u5148\u306e\u4e0d\u5668\u7528\u306a\u4eba\u306f\u3053\u306e\u4f5c\u696d\u306f\u5411\u3044\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5efb\u308a\u306b\u8868\u9762\u5b9f\u88c5\u90e8\u54c1\u306e\u53d6\u308a\u5916\u3057\u306b\u6163\u308c\u305f\u4eba\u304c\u5c45\u308c\u3070\u305d\u306e\u4eba\u306b\u983c\u3093\u3067\u3084\u3063\u3066\u8cb0\u3046\u306e\u304c\u8ce2\u660e\u3060\uff0e\u4eca\u56de\u306f\u53d6\u308a\u9664\u304f\u90e8\u54c1\u306f\u518d\u6d3b\u7528\u3059\u308b\u3053\u3068\u7121\u304f\u6368\u3066\u3066\u3057\u307e\u3063\u3066\u3082\u826f\u3044\u306e\u3067\u3001\u30cb\u30c3\u30d1\u306a\u3069\u3067\u90e8\u54c1\u3092\u7834\u58ca\u3057\u3066\u3082\u826f\u3044\u304c\u3001\u5468\u8fba\u306e\u90e8\u54c1\u3084\u57fa\u677f\u306e\u914d\u7dda\u3092\u58ca\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u306e\u3067\u3001\u304f\u308c\u3050\u308c\u3082\u614e\u91cd\u306b\uff0e<\/p>\r\n<br>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57269-640x427.jpg\" alt=\"Removing L1 and L2\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4716\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57269.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57269-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u5148\u305a\u306fL1,L2\u3092\u53d6\u308a\u5916\u3059<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57271-640x427.jpg\" alt=\"Removing regurator IC Chip\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4717\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57271.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57271-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u3082\u53d6\u308a\u5916\u3057\u3066\u304a\u304f<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57272-640x427.jpg\" alt=\"Lead line connection\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4718\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57272.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57272-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u5fc5\u8981\u306b\u5fdc\u3058\u3066+5V\uff08\u8d64\uff09,+3.3V\uff08\u8cb4\uff09,+1.8V\uff08\u8584\u7d2b\uff09\u4f9b\u7d66\u7528\u306e\u96fb\u6e90\u30b3\u30fc\u30c9\u3092\u53d6\u308a\u5916\u3057\u305f\u30e9\u30f3\u30c9\u306b\u76f4\u63a5\u534a\u7530\u4ed8\u3051\u3059\u308b<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u4e0a\u8a18\u306e\u5199\u771f\u3067\u306f+5V\u3068+3.3V\u306e\u30e9\u30a4\u30f3\u3092\u534a\u7530\u4ed8\u3051\u3057\u3066\u3042\u308b\u304c\u3001GPIO\u7aef\u5b50\u306e#2,#4\u30d4\u30f3\u3068#1\u756a\u30d4\u30f3\u3068\u306f\u534a\u7530\u4ed8\u3051\u3057\u305f\u7b87\u6240\u3068\u57fa\u677f\u5185\u306e\u30e9\u30a4\u30f3\u3067\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u306e\u3067\u3001GPIO\u7aef\u5b50\u5074\u304b\u3089\u96fb\u6e90\u3092\u4f9b\u7d66\u3057\u3066\u3082\u826f\u3044\u3060\u308d\u3046\uff0e\u305f\u3060\u3057\u3001\u5b89\u5b9a\u3057\u305f\u96fb\u6e90\u3092\u4f9b\u7d66\u3057\u305f\u3044\u5834\u5408\u306f\u5c11\u3057\u592a\u3081\u306e\u7dda\u3067\u53d6\u308a\u5916\u3057\u305f\u30e9\u30f3\u30c9\u306b\u76f4\u63a5\u534a\u7530\u4ed8\u3051\u3059\u308b\u65b9\u6cd5\u3092\u63a8\u5968\u3059\u308b\uff0e+1.8V\u7cfb\u306e\u96fb\u6e90\u306fGPIO\u7aef\u5b50\u306b\u306f\u51fa\u3066\u3053\u306a\u3044\u306e\u3067\u3001+1.8V\u7cfb\u306e\u96fb\u6e90\u306f\u53d6\u308a\u5916\u3057\u305f\u30e9\u30f3\u30c9\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e<\/p>\r\n<br>\r\n<p>\u5b9f\u969b\u306b\u78ba\u304b\u3081\u3066\u306f\u3044\u306a\u3044\u304c\u3001+5V\u306b\u95a2\u3057\u3066\u306fRaspberry Pi 2 \u306e\u5185\u90e8\u3067\u306f\u4f7f\u3063\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\uff0e+5V\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u306f\u5358\u306bUSB\u7cfb\u30e9\u30a4\u30f3\u306e\u4f9b\u7d66\u96fb\u5727\u306e+5V\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u3060\u3051\u306e\u4ed5\u69d8\u3067\u3001\u5b9f\u969b\u306b\u5185\u90e8\u3067\u4f7f\u3063\u3066\u3044\u308b\u306e\u306f+3.3V\/+1.8\u3060\u3051\u304b\u3082\u3057\u308c\u306a\u3044\uff0eUSB\u30dd\u30fc\u30c8\u304c4\u3064\u4ed8\u3044\u3066\u3044\u308b\u306e\u3067\u3053\u306e\u30dd\u30fc\u30c8\u306e\u96fb\u6e90\u4f9b\u7d66\u7528\u3068\u3057\u3066\u3084\u306f\u308a+5V\u4f9b\u7d66\u306f\u5fc5\u9808\u304b\u306a\uff1f<\/p>\r\n<br>\r\n<p><b>\u3010\u8ffd\u8a18\u3011\u5f8c\u65e5\u5b9f\u9a13\u3067+5V\u3092\u4f9b\u7d66\u3057\u306a\u3044\u3068\u3069\u3046\u306a\u308b\u304b\u8a66\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001OS\u304c\u8d77\u52d5\u3057\u306a\u304b\u3063\u305f\u306e\u3067\u96fb\u6e90\u3068\u3057\u3066\u306f\u3084\u306f\u308a+5V, +3.3V, +1.8V\u306e\uff13\u7cfb\u7d71\u7528\u610f\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3088\u3046\u3060\uff0e\u7c21\u6613\u306a\u65b9\u6cd5\u3067\u826f\u3051\u308c\u3070\u3001+5V\u306e\u5358\u4e00\u96fb\u6e90\u304b\u3089\uff13\u7aef\u5b50\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u3066+3.3V\u3068+1.8V\u3092\u4f5c\u308a\u51fa\u3059\u306e\u304c\u624b\u3063\u53d6\u308a\u65e9\u3044\u3060\u308d\u3046\uff0e\u96fb\u4f4d\u5dee\u304c\u5c11\u306a\u3044\u306e\u3067\u3001\u4f4e\u640d\u5931\uff08\u4f4e\u96fb\u5727\u30c9\u30ed\u30c3\u30d7\u578b\uff09\u306e\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u304c\u5fc5\u8981\u3060\uff0e<\/b><\/p>\r\n<br>\r\n<br>\r\n<h4>Raspberry Pi 2 \u306e\u30ce\u30a4\u30ba\u306b\u3064\u3044\u3066\u3082\u3046\u5c11\u3057\u63a2\u3063\u3066\u307f\u305f<\/h4>\r\n<br>\r\n<p>\u6298\u89d2Raspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u3092\u6539\u9020\u3057\u305f\u306e\u3067\u3001Raspberry Pi 2\u306e\u96fb\u6e90\u5efb\u308a\u306e\u30ce\u30a4\u30ba\u306b\u3064\u3044\u3066\u3082\u3046\u5c11\u3057\u63a2\u3063\u3066\u898b\u3088\u3046\u3068\u601d\u3046\uff0e\u672c\u756a\u74b0\u5883\u3068\u540c\u3058\u72b6\u614b\u3067\u3001Raspberry Pi 2 \u3092\u8d77\u52d5\uff08OS\u306f Volumio 1.55\uff09\u3057\u305f\u72b6\u614b\u3084\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u72b6\u614b\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u63a5\u7d9a\uff08\u6709\u7dda\uff09\u3001HDMI\u63a5\u7d9a\u306e\u6709\u7121\u306a\u3069\u3067\u3001+5V\u7aef\u5b50\u3084\u5185\u8535\u96fb\u6e90\u88c5\u7f6e\u304b\u3089\u4f9b\u7d66\u3055\u308c\u308b+3.3V\u7aef\u5b50\u306e\u96fb\u6e90\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3092\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3067\u89b3\u5bdf\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u305f\uff0e<\/p>\r\n<br>\r\n<br>\r\n<p>\u5148\u305a\u306f\u81ea\u4f5cDAC\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u6e90\u3092OFF\u306b\u3057\u305f\u72b6\u614b\u3067\u3001Ethernet(RJ-45)\u3001HDMI\u7aef\u5b50\u3092\u5207\u308a\u96e2\u3057\u305f\u72b6\u614b\u3067\u306e+5V\uff08\u4e0a\uff09+3.3V\uff08\u4e0b\uff09\u30e9\u30a4\u30f3\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3092\u89b3\u5bdf\u3057\u3066\u898b\u308b\uff0e\u5f53\u7136\u306a\u304c\u3089\u3053\u306e\u72b6\u614b\u3067\u89b3\u5bdf\u3055\u308c\u308b\u30ce\u30a4\u30ba\u306f\u96fb\u6e90\u30e9\u30a4\u30f3\u3084\u7a7a\u4e2d\u7dda\u306a\u3069\u304b\u3089\u306e\u96fb\u78c1\u306e\u30ce\u30a4\u30ba\u6210\u5206\u304c\u4e3b\u4f53\u3060\uff0e\u7d20\u306e\u72b6\u614b\u3067\u3069\u306e\u7a0b\u5ea6\u30ce\u30a4\u30ba\u304c\u4e57\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u78ba\u304b\u3081\u308b\u305f\u3081\u306e\u3082\u306e\u3060\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57304-640x427.jpg\" alt=\"All OFF state\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4708\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57304.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57304-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u81ea\u4f5cDAC\u30b7\u30b9\u30c6\u30e0\u306e\u96fb\u6e90\u3092OFF\u306b\u3057\u305f\u72b6\u614b\u3067\u306e+5V\uff08\u4e0a\uff09+3.3V\uff08\u4e0b\uff09\u30e9\u30a4\u30f3\u306e\u30ce\u30a4\u30ba<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u6b21\u306b\u3001\u96fb\u6e90OFF\u306e\u72b6\u614b\u306e\u307e\u307eEthernet(RJ-45)\u7aef\u5b50\u3092\u63a5\u7d9a\u3057\u3066\u307f\u308b\uff0e\u52ff\u8ad6\u3001Ethernet\u63a5\u7d9a\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7cfb\u304b\u3089\u6d41\u5165\u3059\u308b\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3060\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57294-640x427.jpg\" alt=\"Ethernet line noise\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4721\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57294.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57294-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>Ethernet(RJ-45)\u3092\u63a5\u7d9a\u3057\u305f\u3060\u3051\u3067\u3082\u30ce\u30a4\u30ba\u304c\u52a0\u308f\u308b\u4e8b\u304c\u78ba\u8a8d\u3067\u304d\u308b<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u540c\u3058\u304f\u3001\u96fb\u6e90OFF\u306e\u72b6\u614b\u306e\u307e\u307e\u3067HDMI\u63a5\u7d9a\u3092\u884c\u3063\u3066\u307f\u308b\uff0eHDMI\u7aef\u5b50\u306e\u63a5\u7d9a\u5148\u306f4\u30dd\u30fc\u30c8\u306eHDMI\u5207\u308a\u66ff\u3048\u5668\u304c\u3064\u306a\u304c\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u5148\u306b27inch\u306eDELL\u306e4K\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u304c\u96fb\u6e90ON\u306e\u72b6\u614b\u3067\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57293-640x427.jpg\" alt=\"HDMI relational noise\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4724\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57293.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57293-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>HDMI\u7aef\u5b50\u3092\u63a5\u7d9a\u3059\u308b\u3068\u4e00\u6c17\u306b\u30ce\u30a4\u30ba\u304c\u5897\u3048\u308b<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u306f\u5b9f\u969b\u306bRaspberry Pi 2 + Volumio 1.55 \u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u7a3c\u50cd\u3055\u305b\u3066\u3044\u308b\u72b6\u614b\u3067\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3092\u89b3\u5bdf\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3059\u308b\uff0e\u5148\u305a\u306fVolumio 1.55\u306eLinux\u304c\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3055\u308c\u305f\u72b6\u614b\uff08Raspberry Pi 2\u81ea\u4f53\u306e\u96fb\u6e90\u306fON\u306e\u72b6\u614b\uff09\u3067\u306e\u30ce\u30a4\u30ba\u3092\u89b3\u5bdf\u3057\u3066\u307f\u305f\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57291-640x427.jpg\" alt=\"Shutdown state\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4726\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57291.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57291-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>Volumio\u304c\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3055\u308c\u305f\u72b6\u614b\u3067\u306e\u30ce\u30a4\u30ba<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u6b21\u306b\u3001Volumio\u3092\u8d77\u52d5\u3055\u305b\u66ab\u304f\u653e\u7f6e\u3057\u305f\u72b6\u614b\u3067\u3001\u66f2\u306e\u518d\u751f\u3084\u4f55\u3089\u304b\u306e\u64cd\u4f5c\u3092\u4f55\u3082\u884c\u3063\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u3001Volumio\u306eOS\u304c\u307b\u307c\u30a2\u30a4\u30c9\u30ea\u30f3\u30b0\u72b6\u614b\u306e\u6642\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3092\u89b3\u5bdf\u3057\u3066\u307f\u308b\uff0e\u540c\u69d8\u306b\u30ed\u30fc\u30ab\u30eb\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u66f2\u3092\u518d\u751f\u3055\u305b\u3066Disk I\/O \u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u72b6\u614b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e9\u30b8\u30aa\u3092\u518d\u751f\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8ca0\u8377\u3092\u639b\u3051\u305f\u5834\u5408\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50\u3082\u89b3\u5bdf\u3057\u3066\u307f\u308b\uff0e<\/p>\r\n<br>\r\n<div style=\"width: 100%; margin: 0 auto; text-align: center;\">\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57296-640x427.jpg\" alt=\"OS idling state\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4728\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57296.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57296-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>\r\n<br>\r\n<span>Volumio\u304c\u307b\u307c\u30a2\u30a4\u30c9\u30ea\u30f3\u30b0\u72b6\u614b\u306b\u3042\u308b\u3068\u304d\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57295-640x427.jpg\" alt=\"With DISK I\/O\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4727\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57295.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57295-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u983b\u7e41\u306bDisk I\/O\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50<\/span>\r\n<br>\r\n<br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57298-640x427.jpg\" alt=\"Playing Network Radio\" width=\"640\" height=\"427\" class=\"size-medium wp-image-4729\" srcset=\"https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57298.jpg 640w, https:\/\/y2tech.net\/blog\/wp-content\/uploads\/2015\/11\/PK57298-240x160.jpg 240w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> \r\n<br>\r\n<span>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e9\u30b8\u30aa\u3092\u518d\u751f\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u30ce\u30a4\u30ba\u306e\u69d8\u5b50<\/span>\r\n<br>\r\n<br>\r\n<\/div>\r\n<br>\r\n<p>\u3068\u3066\u3082\u7c21\u6613\u306a\u30ce\u30a4\u30ba\u306e\u89b3\u5bdf\u7d50\u679c\u306a\u306e\u3067\u3001\u3053\u306e\u7d50\u679c\u3060\u3051\u3067\u96fb\u6e90\u5efb\u308a\u306e\u30ce\u30a4\u30ba\u304c\u97f3\u8cea\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3068\u65ad\u8a00\u3059\u308b\u4e8b\u306f\u3067\u304d\u306a\u3044\u304c\u3001\u5c11\u306a\u304f\u3068\u3082Raspberry Pi 2 \u306e\u5185\u90e8\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b+3.3V\u7cfb\u306e\u96fb\u6e90\u3092\u3001DAC\u306a\u3069\u306eHi-Fi\u30aa\u30fc\u30c7\u30a3\u30aa\u56de\u8def\u7528\u306e\u96fb\u6e90\u3068\u3057\u3066\u5171\u7528\u3059\u308b\u3053\u3068\u306f\u3068\u3093\u3067\u3082\u306a\u3044\u611a\u884c\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3060\u308d\u3046\uff0e\u52ff\u8ad6\u56de\u8def\u306e\u5de5\u592b\u306a\u3069\u3067\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u6e1b\u3089\u3059\u4e8b\u306f\u53ef\u80fd\u3060\u304c\u3001\u30ce\u30a4\u30ba\u306e\u767a\u751f\u6e90\u3067\u3042\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u3092\u7528\u3044\u3066Hi-Fi\u30aa\u30fc\u30c7\u30a3\u30aa\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u6210\u3059\u308b\u5834\u5408\u306f\u3001\u5e38\u306b\u30ce\u30a4\u30ba\u3068\u306e\u683c\u95d8\u306b\u306a\u308b\u4e8b\u306b\u306f\u5909\u308f\u308a\u306a\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n<br>\r\n<p>\u5c11\u306a\u304f\u3068\u3082\u3001Raspberry Pi \u306b\u3088\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u30b7\u30b9\u30c6\u30e0\u306bDAC\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u76f4\u63a5\u7e4b\u3050\u5834\u5408\u306b\u306f\u3001Raspberry Pi\u5074\u3068DAC\u5074\u3092\u30c7\u30b8\u30bf\u30eb\u30a2\u30a4\u30bd\u30ec\u30fc\u30bf\u306a\u3069\u306b\u3088\u308a\u3001\u96fb\u6e90\u30e9\u30a4\u30f3\u3068\u4fe1\u53f7\u30e9\u30a4\u30f3\u3092\u96fb\u6c17\u7684\u306b\u5b8c\u5168\u306b\u7d76\u7e01\u3059\u308b\u306e\u304c\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u5c11\u306a\u304f\u3059\u308b\u4e00\u756a\u624b\u3063\u53d6\u308a\u65e9\u3044\u65b9\u6cd5\u3060\u308d\u3046.<\/p>\r\n<br>","protected":false},"excerpt":{"rendered":"Raspberry Pi\u95a2\u9023\u306e\u8a18\u4e8b\u306b\u30a2\u30af\u30bb\u30b9\u304c\u591a\u3044\u3088\u3046\u306a\u306e\u3067\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u30d7\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066\u6d3b\u7528\u3059\u308b\u969b\u306b\u6c17\u306b\u306a\u308a\u305d\u3046\u306a\u3001Raspberry Pi\u306e\u30ce\u30a4\u30ba\u7279\u6027\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8abf\u3079\u3066\u307f\u305f\uff0e","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[197],"tags":[701,699,640,698,657,655,668,700],"class_list":["post-4703","post","type-post","status-publish","format-standard","hentry","category-d-i-y","tag-digital-isolator","tag-internal-sw-regulator-replacement","tag-noise","tag-power-source","tag-raspberry-pi-2","tag-655","tag-668","tag-700"],"_links":{"self":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/4703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/comments?post=4703"}],"version-history":[{"count":2,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/4703\/revisions"}],"predecessor-version":[{"id":5015,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/4703\/revisions\/5015"}],"wp:attachment":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/media?parent=4703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/categories?post=4703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/tags?post=4703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}