{"id":345,"date":"2026-02-23T10:58:49","date_gmt":"2026-02-23T01:58:49","guid":{"rendered":"https:\/\/lotokunn.com\/?p=345"},"modified":"2026-02-23T10:58:52","modified_gmt":"2026-02-23T01:58:52","slug":"raspberry-pi-4b%e3%81%a7%e3%83%ad%e3%83%9c%e3%83%83%e3%83%88%e4%bd%9c%e6%88%90%e3%81%9d%e3%81%ae%ef%bc%91","status":"publish","type":"post","link":"https:\/\/lotokunn.com\/?p=345","title":{"rendered":"Raspberry Pi 4B\u3067\u30ed\u30dc\u30c3\u30c8\u4f5c\u6210\u305d\u306e\uff11"},"content":{"rendered":"\n<p>\u7686\u3055\u3093\u3053\u3093\u306b\u3061\u306f\uff01\u3053\u3093\u3070\u3093\u306f\uff01\uff01\u30ed\u30c8\u541b\u3067\u3059\u3002<br>\u4eca\u56de\u306f\u3001\u30e9\u30ba\u30d1\u30a44B\u3092\u4f7f\u3063\u3066\u30ed\u30dc\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u306e\u3067\u3001\u8a18\u4e8b\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5fc5\u8981\u306a\u30e2\u30ce<\/h2>\n\n\n\n<p>\u5fc5\u8981\u306a\u30e2\u30ce\u3068\u3057\u3066\u4e0b\u8a18\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Raspberry Pi 4B\u672c\u4f53<\/li>\n\n\n\n<li>\u5b89\u5b9a\u5316\u96fb\u6e90<\/li>\n\n\n\n<li>\u30b5\u30fc\u30dc\u30e2\u30fc\u30bf<\/li>\n\n\n\n<li>\u30b8\u30e3\u30f3\u30d1\u7dda<\/li>\n\n\n\n<li>\u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9<\/li>\n\n\n\n<li>PS5 \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9<\/li>\n<\/ul>\n\n\n\n<p>\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"347\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194.jpg\" alt=\"\" class=\"wp-image-347\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"348\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0195.jpg\" alt=\"\" class=\"wp-image-348\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0195.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0195-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0195-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0195-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"349\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0196.jpg\" alt=\"\" class=\"wp-image-349\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0196.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0196-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0196-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0196-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"350\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0197.jpg\" alt=\"\" class=\"wp-image-350\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0197.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0197-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0197-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0197-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"346\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0199.jpg\" alt=\"\" class=\"wp-image-346\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0199.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0199-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0199-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0199-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" data-id=\"351\" src=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0200.jpg\" alt=\"\" class=\"wp-image-351\" srcset=\"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0200.jpg 1000w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0200-300x225.jpg 300w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0200-768x576.jpg 768w, https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0200-485x364.jpg 485w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">\u4e00\u5f0f\u306f\u3053\u3093\u306a\u611f\u3058<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Python3\u3067\u4f7f\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u306evenv\u74b0\u5883\u69cb\u7bc9<\/h2>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u81ea\u4f53\u306fPython\u3067\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u521d\u671f\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5165\u3063\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>SSH\u63a5\u7d9a\u72b6\u614b\u3067\u30bf\u30fc\u30df\u30ca\u30eb\u3088\u308a\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>python3 -m venv venv<\/code><\/pre>\n\n\n\n<p>\u3092\u3001\u6253\u3061\u8fbc\u307f\u4eee\u60f3\u74b0\u5883\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Python3\u306f\u4eee\u60f3\u74b0\u5883\u3067\u306a\u3044\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u51fa\u6765\u306a\u3044\u4ed5\u69d8\uff1f\u306b\u306a\u3063\u3066\u308b\u3088\u3046\u306a\u306e\u3067\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>source venv\/bin\/activate<\/code><\/pre>\n\n\n\n<p>\u3067\u3001\u4eee\u60f3\u74b0\u5883\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u97f3\u58f0\u74b0\u5883\u306b\u306f\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install portaudio19-dev<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install sounddevice soundfile numpy<\/code><\/pre>\n\n\n\n<p>\u3092\u3001\u4f7f\u3044\u307e\u3059\u3002\uff08\u304a\u305d\u3089\u304f\u6700\u65b0\u306fver20\u304c\u3042\u308b\u304b\u3082\u30fb\u30fb\u30fb\u3002\uff09<\/p>\n\n\n\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/files.portaudio.com\">https:\/\/files.portaudio.com<\/a><\/p>\n\n\n\n<p>RP4B\u306eGPIO\u7528\u306b\u306f\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install rpi.gpio<\/code><\/pre>\n\n\n\n<p>\u3092\u3001\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>PS5\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u7528\u306b\u306f\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt update\nsudo apt install -y python3-pip\npip3 install pygame<\/code><\/pre>\n\n\n\n<p>pygame\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a9\u30eb\u30c0\u69cb\u6210<\/h2>\n\n\n\n<p>\u30c7\u30fc\u30bf\u306e\u69cb\u6210\u306f\u3001\u300cDesktop\/test_servo\/\u300d\u4e2d\u306b\u79c1\u306e\u74b0\u5883\u3067\u306f\u3057\u3066\u3044\u307e\u3059\u3002<br>\u300c***.wav\u300d\u3084\u300c***.py\u300d\u306f\u305d\u306e\u4e2d\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<p>\u79c1\u304c\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u306f\u4e0b\u8a18\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import pygame\nimport time\n\nWAV_PATH = \"\/home\/lotokunn\/Desktop\/test_servo\/maou_se_8bit22.wav\"\n\npygame.init()\n\n# \u97f3\uff08mixer\uff09\npygame.mixer.init(frequency=48000)  # Pi\u306f48000\u304c\u5b89\u5b9a\u3057\u3084\u3059\u3044\nse = pygame.mixer.Sound(WAV_PATH)\n\n# \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\npygame.joystick.init()\nif pygame.joystick.get_count() == 0:\n    raise RuntimeError(\"\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\uff08USB\/BT\u63a5\u7d9a\u3092\u78ba\u8a8d\uff09\")\n\njs = pygame.joystick.Joystick(0)\njs.init()\n\nprev_b0 = 0\n\ntry:\n    while True:\n        pygame.event.pump()\n\n        lx = js.get_axis(0)\n        ly = js.get_axis(1)\n        rx = js.get_axis(2)\n        ry = js.get_axis(5)\n        b0 = js.get_button(0)\n\n        # \u62bc\u3057\u305f\u77ac\u9593\u3060\u3051\u9cf4\u3089\u3059\n        if b0 == 1 and prev_b0 == 0:\n            se.stop()   # \u9023\u6253\u6642\u306b\u91cd\u306d\u305f\u304f\u306a\u3044\u306a\u3089\n            se.play()\n\n        prev_b0 = b0\n\n        print(f\"lx={lx:+.2f} ly={ly:+.2f} rx={rx:+.2f} ry={ry:+.2f} b0={b0}\", end=\"\\r\")\n        time.sleep(0.02)\n\nexcept KeyboardInterrupt:\n    pass<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u7c21\u6613\u7248\u3067\u3059\u3002\u30b5\u30fc\u30dc\u306eDT\u6bd4\u7387\u3084PWM\u306f\u307e\u3060\u66f8\u3044\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9\u306e\u7279\u5fb4\u3068\u3057\u3066\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>        # \u62bc\u3057\u305f\u77ac\u9593\u3060\u3051\u9cf4\u3089\u3059\n        if b0 == 1 and prev_b0 == 0:\n            se.stop()   # \u9023\u6253\u6642\u306b\u91cd\u306d\u305f\u304f\u306a\u3044\u306a\u3089\n            se.play()\n\n        prev_b0 = b0<\/code><\/pre>\n\n\n\n<p>\u306e\u69d8\u306b\u3001\u9023\u6253\u9632\u6b62\u3001\u521d\u56de\u30c8\u30ea\u30ac\u30fc\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>WAV_PATH = \"\/home\/lotokunn\/Desktop\/test_servo\/maou_se_8bit22.wav\"<\/code><\/pre>\n\n\n\n<p>WAV_PATH\u306f\u3054\u81ea\u8eab\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u66f8\u3044\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4e45\u3057\u3076\u308a\u306b\u30ed\u30dc\u30c3\u30c8\u3092\u4f5c\u308b\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u304c\u3001\u6614\u3088\u308a\u306f\u7c21\u5358\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u9a5a\u304d\u307e\u3057\u305f\u3002PIC12F675\u30b7\u30ea\u30fc\u30ba\u3067\u4f5c\u3063\u3066\u3044\u305f\u6642\u304c\u61d0\u304b\u3057\u304f\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f53\u6642\u306f\u3001C\u8a00\u8a9e\u3067\u4f5c\u3063\u3066\u307e\u3057\u305f\u3002\u7b11\uff09<\/p>\n\n\n\n<p class=\"is-style-p_microcopy\">4\u670810\u65e5\u307e\u3067\u306b\u4f55\u304b\u9762\u767d\u3044\u30ed\u30dc\u30c3\u30c8\u3092\u4f5c\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\uff01<br>\u3053\u3046\uff01\u3054\u671f\u5f85\uff1f\uff1f\uff1f\uff01\u3067\u306f\u3001( ;\u2200;)\u30ce\u30b7\uff13<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7686\u3055\u3093\u3053\u3093\u306b\u3061\u306f\uff01\u3053\u3093\u3070\u3093\u306f\uff01\uff01\u30ed\u30c8\u541b\u3067\u3059\u3002\u4eca\u56de\u306f\u3001\u30e9\u30ba\u30d1\u30a44B\u3092\u4f7f\u3063\u3066\u30ed\u30dc\u30c3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u306e\u3067\u3001\u8a18\u4e8b\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u5fc5\u8981\u306a\u30e2\u30ce \u5fc5\u8981\u306a\u30e2\u30ce\u3068\u3057\u3066\u4e0b\u8a18\u304c\u3042\u308a\u307e\u3059\u3002 \u3067\u3059\u3002 Python3\u3067\u4f7f\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u306even&#8230;<\/p>\n","protected":false},"author":1,"featured_media":347,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,4],"tags":[12,73,75,74],"class_list":{"0":"post-345","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-gadget","8":"category-pc","9":"tag-pc","10":"tag-rp4b","11":"tag-75","12":"tag-74","13":"article"},"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/lotokunn.com\/wp-content\/uploads\/2026\/02\/IMG_0194.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/posts\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotokunn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345"}],"version-history":[{"count":7,"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":358,"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions\/358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lotokunn.com\/index.php?rest_route=\/wp\/v2\/media\/347"}],"wp:attachment":[{"href":"https:\/\/lotokunn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotokunn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotokunn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}