{"id":188,"date":"2024-08-06T19:48:02","date_gmt":"2024-08-06T10:48:02","guid":{"rendered":"http:\/\/uto.lab-somehow.net\/?p=188"},"modified":"2024-08-06T19:48:02","modified_gmt":"2024-08-06T10:48:02","slug":"raspberry-pi-pico%e3%81%a8%e8%b6%85%e9%9f%b3%e6%b3%a2%e8%b7%9d%e9%9b%a2%e3%83%a2%e3%82%b8%e3%83%a5%e3%83%bc%e3%83%ab%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6%e8%b7%9d%e9%9b%a2%e3%82%92%e6%b8%ac","status":"publish","type":"post","link":"http:\/\/uto.lab-somehow.net\/?p=188","title":{"rendered":"Raspberry Pi Pico\u3068\u8d85\u97f3\u6ce2\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5229\u7528\u3057\u3066\u8ddd\u96e2\u3092\u6e2c\u308b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>\u8d85\u97f3\u6ce2\u3092\u5229\u7528\u3057\u3066\u3001\u8ddd\u96e2\u3092\u6e2c\u308b\u4ed5\u7d44\u307f<\/strong><\/h2>\n\n\n\n<p>\u8d85\u97f3\u6ce2\u6e2c\u8ddd\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u8d85\u97f3\u6ce2\u304c\u969c\u5bb3\u7269\u306b\u5f53\u305f\u308b\u3068\u53cd\u5c04\u3059\u308b\u539f\u7406\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u8d85\u97f3\u6ce2\u304c\u9001\u4fe1\u3055\u308c\u3066\u304b\u3089\u969c\u5bb3\u7269\u306b\u53cd\u5c04\u3057\u3066\u623b\u3063\u3066\u304f\u308b\u307e\u3067\u306e\u6642\u9593\u9593\u9694\u304b\u3089\u8ddd\u96e2\u3092\u7b97\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4f7f\u7528\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/h3>\n\n\n\n<p>HC-SR04<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"701\" src=\"http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-1024x701.jpg\" alt=\"\" class=\"wp-image-189\" srcset=\"http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-1024x701.jpg 1024w, http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-300x206.jpg 300w, http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-768x526.jpg 768w, http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-1536x1052.jpg 1536w, http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-2048x1403.jpg 2048w, http:\/\/uto.lab-somehow.net\/wp-content\/uploads\/2024\/08\/HC-SR04-700x480.jpg 700w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>from machine import Pin\nimport time\n\nTrig = Pin(19, Pin.OUT, 0)\nEcho = Pin(18, Pin.IN, 0)\ndistance = 0\nsoundVelocity = 340\n\ndef getDistance():\n    \"\"\"\n    \u8d85\u97f3\u6ce2\u30bb\u30f3\u30b5\u30fc\u3092\u4f7f\u3063\u3066\u8ddd\u96e2\u3092\u6e2c\u5b9a\u3059\u308b\n\n    Returns:\n        int: \u8ddd\u96e2\uff08cm\uff09\n\n    Examples:\n        distance = getDistance()\n        print(\"Distance: \", distance, \"cm\")\n    \"\"\"\n\n    # \u8d85\u97f3\u6ce2\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u309210us\u3060\u3051HIGH\u306b\u3059\u308b\uff08\u30c8\u30ea\u30ac\u30fc\u4fe1\u53f7\u3092\u9001\u4fe1\uff09\n    Trig.value(1)\n    time.sleep_us(10)\n    Trig.value(0)\n\n    # Echo\u4fe1\u53f7\u304cHIGH\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n    while not Echo.value():\n        pass\n    pingStart = time.ticks_us()\n\n    # Echo\u30d4\u30f3\u306eHIGH\u72b6\u614b\u304c\u7d42\u4e86\u3059\u308b\u307e\u3067\u5f85\u3064\n    while Echo.value():\n        pass\n    pingStop = time.ticks_us()\n\n    # \u30a8\u30b3\u30fc\u6642\u9593\u3092\u8a08\u7b97\uff08\u5f80\u5fa9\u306e\u6642\u9593\u306e\u534a\u5206\u3092\u7b97\u51fa\uff09\n    distanceTime = time.ticks_diff(pingStop, pingStart) \/\/ 2\n\n    # \u8ddd\u96e2\u3092\u7b97\u51fa\uff08\u97f3\u901f\u00d7\u7247\u9053\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u3001\u97f3\u901f\u306fcm\/\u03bcs\u5358\u4f4d\uff09\n    distance = int(soundVelocity * distanceTime \/\/ 10000)\n    return distance\n\ntime.sleep(2)\nwhile True:\n    time.sleep(1) # 1\u79d2\u3054\u3068\u306b\u6e2c\u5b9a\n    distance = getDistance()\n    print(\"Distance: \", distance, \"cm\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30dd\u30a4\u30f3\u30c8\u2460: Echo\u30d4\u30f3\u306eHIGH\u3068LOW\u306e\u72b6\u614b<\/strong><\/h3>\n\n\n\n<p>\u8d85\u97f3\u6ce2\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u8d85\u97f3\u6ce2\u3092\u9001\u4fe1\u3059\u308bTrig\u30d4\u30f3\u3068\u3001\u8d85\u97f3\u6ce2\u3092\u53d7\u4fe1\u3059\u308bEcho\u30d4\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>Trig\u30d4\u30f3\u306b10us\u4ee5\u4e0a\u306e\u9ad8\u30ec\u30d9\u30eb\u30d1\u30eb\u30b9\u3092\u51fa\u529b\u3059\u308b\u3068\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u8d85\u97f3\u6ce2\u3092\u9001\u4fe1\u3057\u59cb\u3081\u308b\u3068\u540c\u6642\u306b\u3001Echo\u30d4\u30f3\u304cHIGH\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u969c\u5bb3\u7269\u306b\u53cd\u5c04\u3057\u3066\u623b\u3063\u3066\u304d\u305f\u8d85\u97f3\u6ce2\u3092\u53d7\u4fe1\u3057\u305f\u77ac\u9593\u3001Echo\u30d4\u30f3\u306fLOW\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30dd\u30a4\u30f3\u30c8\u2461: \u51fa\u529b\u5358\u4f4d\u3092\u5408\u308f\u305b\u308b<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>    distance = int(soundVelocity * distanceTime \/\/ 10000)<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u90e8\u5206\u3067\u306e<strong>\/\/10000<\/strong>\u306f\u3001\u5358\u4f4d\u3092\u305d\u308d\u3048\u308b\u305f\u3081\u306b\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u5185\u8a33\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li> soundVelocity\u306fm\/s\u306a\u306e\u3067\u3001\u51fa\u529b\u3057\u305f\u3044\u5358\u4f4d\u306ecm\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u306b<strong>*100<\/strong>\u3059\u308b\u3002<\/li>\n\n\n\n<li> distanceTime\u306f\u03bcs\u306a\u306e\u3067\u3001soundVelocity\u306em\/s\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u306b<strong>\/\/1000000<\/strong>\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u611f\u60f3<\/h2>\n\n\n\n<p>\u60f3\u50cf\u3067\u306f30\u30bb\u30f3\u30c1\u7a0b\u5ea6\u3057\u304b\u6e2c\u308c\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u4f7f\u7528\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\uff08HC-SR04\uff09\u3067\u3082450cm\u672a\u6e80\u306e\u7bc4\u56f2\u3067\u8a08\u6e2c\u3067\u304d\u308b\u3068\u306e\u3053\u3068\u3067\u3001\u5b89\u4fa1\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3082\u601d\u3063\u3066\u3044\u305f\u4ee5\u4e0a\u306b\u9577\u3044\u8ddd\u96e2\u304c\u6e2c\u308c\u308b\u3068\u77e5\u308a\u9a5a\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306e\u4f7f\u7528\u7528\u9014\u3068\u3057\u3066\u306f\u30c9\u30a2\u306e\u958b\u9589\u306e\u691c\u77e5\u306a\u3069\u304c\u591a\u3044\u3088\u3046\u3067\u3059\u304c\u3001\u81ea\u5206\u306e\u982d\u304f\u3089\u3044\u306e\u9ad8\u3055\u304b\u3089\u5730\u9762\u306b\u30bb\u30f3\u30b5\u30fc\u3092\u5411\u3051\u3066\u8a08\u6e2c\u3057\u3066\u307f\u308b\u3068\u304d\u3061\u3093\u3068\u81ea\u5206\u306e\u8eab\u9577\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u4e45\u3057\u3076\u308a\u306b\u8eab\u9577\u3092\u6e2c\u308a\u305f\u3044\u65b9\u3001\u8d85\u97f3\u6ce2\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u8eab\u9577\u6e2c\u5b9a\u306b\u6311\u6226\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/make.bcde.jp\/raspberry-pi\/%E8%B6%85%E9%9F%B3%E6%B3%A2%E8%B7%9D%E9%9B%A2%E3%82%BB%E3%83%B3%E3%82%B5hc-sr04%E3%82%92%E4%BD%BF%E3%81%86\/\">\u8d85\u97f3\u6ce2\u8ddd\u96e2\u30bb\u30f3\u30b5(HC-SR04)\u3092\u4f7f\u3046<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/Freenove\/Freenove_Super_Starter_Kit_for_Raspberry_Pi_Pico\">Freenove\/Freenove_Super_Starter_Kit_for_Raspberry_Pi_Pico<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8d85\u97f3\u6ce2\u3092\u5229\u7528\u3057\u3066\u3001\u8ddd\u96e2\u3092\u6e2c\u308b\u4ed5\u7d44\u307f \u8d85\u97f3\u6ce2\u6e2c\u8ddd\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u8d85\u97f3\u6ce2\u304c\u969c\u5bb3\u7269\u306b\u5f53\u305f\u308b\u3068\u53cd\u5c04\u3059\u308b\u539f\u7406\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u8d85\u97f3\u6ce2\u304c\u9001\u4fe1\u3055\u308c\u3066\u304b\u3089\u969c\u5bb3\u7269\u306b\u53cd\u5c04\u3057\u3066\u623b\u3063\u3066\u304f\u308b\u307e\u3067\u306e\u6642\u9593\u9593\u9694\u304b\u3089\u8ddd\u96e2\u3092\u7b97\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f7f\u7528\u30e2\u30b8\u30e5\u30fc&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-188","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/posts\/188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=188"}],"version-history":[{"count":1,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/posts\/188\/revisions"}],"predecessor-version":[{"id":190,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=\/wp\/v2\/posts\/188\/revisions\/190"}],"wp:attachment":[{"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=188"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/uto.lab-somehow.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}