{"id":1444,"date":"2025-08-28T16:10:59","date_gmt":"2025-08-28T07:10:59","guid":{"rendered":"https:\/\/tatuiyo.xyz\/?p=1444"},"modified":"2025-09-07T00:30:38","modified_gmt":"2025-09-06T15:30:38","slug":"%e2%9a%a1%e9%9b%b7%e3%82%b5%e3%83%bc%e3%82%b8%e3%82%ab%e3%82%a6%e3%83%b3%e3%82%bf%e3%81%ae%e8%87%aa%e4%bd%9c-esp32","status":"publish","type":"post","link":"https:\/\/tatuiyo.xyz\/?p=1444","title":{"rendered":"\u26a1\u96f7\u30b5\u30fc\u30b8\u30ab\u30a6\u30f3\u30bf\u306e\u81ea\u4f5c (ESP32)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E6%A6%82%E8%A6%81\" >\u6982\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E6%96%B9%E9%87%9D\" >\u65b9\u91dd<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E5%B8%82%E8%B2%A9%E5%93%81\" >\u5e02\u8ca9\u54c1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%82%AF%E3%83%A9%E3%83%B3%E3%83%97%E5%BC%8F%E9%9B%BB%E6%B5%81%E3%82%BB%E3%83%B3%E3%82%B5%E3%83%BCCT\" >\u30af\u30e9\u30f3\u30d7\u5f0f\u96fb\u6d41\u30bb\u30f3\u30b5\u30fc(CT)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81\" >\u5168\u6ce2\u6574\u6d41<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%81%A9%E3%81%86%E3%82%84%E3%82%8B%EF%BC%9F\" >\u3069\u3046\u3084\u308b\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%83%94%E3%83%BC%E3%82%AF%E4%BF%9D%E6%8C%81%E5%9B%9E%E8%B7%AF\" >\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E6%A4%9C%E5%87%BA%E3%81%97%E3%81%A6%E8%A8%98%E9%8C%B2\" >\u691c\u51fa\u3057\u3066\u8a18\u9332<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%82%B7%E3%83%9F%E3%83%A5%E3%83%AC%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3\" >\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E9%9B%B7%E3%82%B5%E3%83%BC%E3%82%B8%E3%81%AE%E5%86%8D%E7%8F%BE\" >\u96f7\u30b5\u30fc\u30b8\u306e\u518d\u73fe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E5%9B%9E%E8%B7%AF%E5%9B%B3\" >\u56de\u8def\u56f3<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#CT%E5%85%A5%E5%8A%9B%EF%BD%9E%E3%82%AA%E3%83%9A%E3%82%A2%E3%83%B3%E3%83%97%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81%E3%81%BE%E3%81%A7\" >CT\u5165\u529b\uff5e\u30aa\u30da\u30a2\u30f3\u30d7\u5168\u6ce2\u6574\u6d41\u307e\u3067<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%82%AA%E3%83%9A%E3%82%A2%E3%83%B3%E3%83%97%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81\" >\u30aa\u30da\u30a2\u30f3\u30d7\u5168\u6ce2\u6574\u6d41<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%83%94%E3%83%BC%E3%82%AF%E4%BF%9D%E6%8C%81%E5%9B%9E%E8%B7%AF-2\" >\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E7%B5%90%E6%9E%9C\" >\u7d50\u679c<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF10_A\" >8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af10 A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF50_A\" >8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af50 A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF100_A\" >8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af100 A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF50_kA\" >8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af50 kA<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E4%BD%9C%E3%82%8B\" >\u4f5c\u308b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E5%9B%9E%E8%B7%AF%E5%9B%B3-2\" >\u56de\u8def\u56f3<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%83%81%E3%83%A3%E3%83%BC%E3%82%B8%E3%83%9D%E3%83%B3%E3%83%97IC_ICL7660\" >\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7IC ICL7660<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%81%8A%E8%B2%B7%E3%81%84%E7%89%A9%E3%83%AA%E3%82%B9%E3%83%88\" >\u304a\u8cb7\u3044\u7269\u30ea\u30b9\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%81%AF%E3%82%93%E3%81%A0%E4%BB%98%E3%81%91\" >\u306f\u3093\u3060\u4ed8\u3051<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%A0\" >\u30d7\u30ed\u30b0\u30e9\u30e0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#%E3%83%86%E3%82%B9%E3%83%88\" >\u30c6\u30b9\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/tatuiyo.xyz\/?p=1444\/#LTSpice_KiCad%E3%83%87%E3%83%BC%E3%82%BF\" >LTSpice, KiCad\u30c7\u30fc\u30bf<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A6%82%E8%A6%81\"><\/span>\u6982\u8981<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8a2d\u7f6e\u3057\u305fSPD\u306e\u52b9\u679c\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u306b\u96f7\u30b5\u30fc\u30b8\u30ab\u30a6\u30f3\u30bf\u3092\u81ea\u4f5c\u3057\u307e\u3059\u3002\u5e02\u8ca9\u54c1\u306f\u3069\u3048\u3089\u3044\u4fa1\u683c\u3057\u307e\u3059\u3057\u3001\u4e2d\u53e4\u306f\u30e4\u30d5\u30aa\u30af\u306b\u51fa\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-tatuiyowebserver wp-block-embed-tatuiyowebserver\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"Bdqhf9v3yG\"><a href=\"https:\/\/tatuiyo.xyz\/?p=782\">\u30af\u30e9\u30b9\u2161 SPD(\u907f\u96f7\u5668) \u3092\u81ea\u5b85\u306b\u5c0e\u5165<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u30af\u30e9\u30b9\u2161 SPD(\u907f\u96f7\u5668) \u3092\u81ea\u5b85\u306b\u5c0e\u5165&#8221; &#8212; \u305f\u3064\u308d\u3050 | tatuiyoWebServer\" src=\"https:\/\/tatuiyo.xyz\/?p=782&#038;embed=true#?secret=KthPkctXsx#?secret=Bdqhf9v3yG\" data-secret=\"Bdqhf9v3yG\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%B9%E9%87%9D\"><\/span>\u65b9\u91dd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B8%82%E8%B2%A9%E5%93%81\"><\/span>\u5e02\u8ca9\u54c1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5e02\u8ca9\u54c1\u3092\u898b\u3066\u307f\u308b\u3068\u3001\u3069\u308c\u3082\u30b3\u30a2\u3067\u631f\u3080\u30bf\u30a4\u30d7\u306e\u96fb\u6d41\u30bb\u30f3\u30b5\u30fc\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u4f7f\u3063\u3066\u307e\u3059\u306d\u3002\u3053\u308c\u3092\u53c2\u8003\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"778\" height=\"543\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1.jpg\" alt=\"\" class=\"wp-image-1447\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1.jpg 778w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1-300x209.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1-768x536.jpg 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/figure>\n\n\n\n<p>\u691c\u51fa\u96fb\u6d41\u95be\u5024\u309210 A\/50 A\/100 A\u304b\u3089\u9078\u3079\u308b\u88fd\u54c1\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3050\u3089\u3044\u306e\u96fb\u6d41\u3092\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u3088\u3055\u305d\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%AF%E3%83%A9%E3%83%B3%E3%83%97%E5%BC%8F%E9%9B%BB%E6%B5%81%E3%82%BB%E3%83%B3%E3%82%B5%E3%83%BCCT\"><\/span>\u30af\u30e9\u30f3\u30d7\u5f0f\u96fb\u6d41\u30bb\u30f3\u30b5\u30fc(CT)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>SCT-013<\/strong> \u30b7\u30ea\u30fc\u30ba\u304c\u30dd\u30d4\u30e5\u30e9\u30fc\u3002\u5dfb\u7dda\u6bd4\u306f1:2000\u3089\u3057\u3044\u3002<\/p>\n\n\n\n<p>\u30b3\u30a2\u3067\u631f\u3080\u3068\u51fa\u529b\u306f\u96fb\u6d41\u6e90\u7684\u306a\u50cd\u304d\u3092\u3059\u308b\u306e\u3067\u3001\u96fb\u5727\u3068\u3057\u3066\u51fa\u529b\u3059\u308b\u306b\u306f\u8ca0\u8377\u62b5\u6297\u3092\u96fb\u6d41\u30bb\u30f3\u30b5\u30fc\u306e\u4e21\u7aef\u5b50\u9593\u306b\u631f\u307f\u307e\u3059\u3002<br>\u5185\u8535\u3055\u308c\u3066\u308b\u8ca0\u8377\u62b5\u6297\u306e\u5024\u306b\u3088\u3063\u3066\u30e2\u30c7\u30eb\u306e\u30ca\u30f3\u30d0\u30fc\u304c\u9055\u3046\u307f\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u591a\u5206\u3001\u4f8b\u3048\u3070 <strong>SCT-013-010<\/strong> \u306a\u3089 \u4e00\u6b21\u507410 A\u6642\/\u4e8c\u6b21\u50741 V\u51fa\u529b \u306a\u306e\u3067\u3001\u8ca0\u8377\u62b5\u6297\u306f200 \u03a9\u5185\u8535\u3055\u308c\u3066\u308b\u306f\u305a\u3002<br>(\u4e8c\u6b21\u5074\u96fb\u6d41\u306f\u5dfb\u7dda\u6bd4\u3088\u308a 10 A\/2000 = 5 mA)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"595\" height=\"808\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image.png\" alt=\"\" class=\"wp-image-1448\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image.png 595w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-221x300.png 221w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/figure>\n\n\n\n<p>SCT-013-000\u306f\u5185\u8535\u3055\u308c\u3066\u308b\u8ca0\u8377\u62b5\u6297\u306a\u3057\u3001\u3064\u307e\u308a\u96fb\u6d41\u51fa\u529b\u30bf\u30a4\u30d7\u3067\u90fd\u5408\u304c\u826f\u3044\u306e\u3067\u3053\u308c\u306b\u3057\u307e\u3059\u3002<br>(\u81ea\u5206\u3067\u8ca0\u8377\u62b5\u6297\u3092\u6c7a\u3081\u3066\u3001\u597d\u304d\u306a\u96fb\u5727\u7bc4\u56f2\u306b\u8a2d\u5b9a\u3067\u304d\u308b)<\/p>\n\n\n\n<p>\u96fb\u6d41\u51fa\u529b\u30bf\u30a4\u30d7\u306f\u30af\u30e9\u30f3\u30d7\u3057\u305f\u72b6\u614b\u3067\u4e8c\u6b21\u5074\u3092\u958b\u653e\u3059\u308b\u3068\u9ad8\u96fb\u5727\u304c\u51fa\u3066\u5371\u967a\u3089\u3057\u3044\u3067\u3059\u304c\u3001\u3053\u308c\u306fTVS\u30c0\u30a4\u30aa\u30fc\u30c9(\u30c4\u30a7\u30ca\u30fc\u30c0\u30a4\u30aa\u30fc\u30c9\u307f\u305f\u3044\u306a\u3084\u3064)\u304c\u5168\u30e2\u30c7\u30eb\u306b\u5185\u8535\u3055\u308c\u3066\u308b\u306e\u3067\u9593\u9055\u3063\u3066\u958b\u653e\u3057\u3066\u3082\u5927\u4e08\u592b\u306a\u3088\u3046<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"723\" height=\"222\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1.png\" alt=\"\" class=\"wp-image-1449\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1.png 723w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1-300x92.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-1-720x222.png 720w\" sizes=\"(max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p>SCT-013-000\u3092\u8cb7\u3063\u305f\u3089\u62b5\u6297\u5185\u8535\u30bf\u30a4\u30d7\u306eSCT-013-000V\u304c\u5c4a\u304d\u307e\u3057\u305f&#8230;<\/p>\n\n\n\n<p>\u7d1b\u4e89\u3092\u958b\u59cb\u3059\u308b\u306e\u306f\u9762\u5012\u306a\u306e\u3067\u5206\u89e3\u3057\u3066\u307f\u307e\u3059\u3002<br>\u30af\u30e9\u30f3\u30d7\u3092\u958b\u3051\u3066\u30b3\u30fc\u30c9\u3092\u62bc\u3057\u8fbc\u3080\u3068\u7c21\u5358\u306b\u57fa\u677f\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232830_0-1-1024x768.jpg\" alt=\"\" class=\"wp-image-1487\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232830_0-1-1024x768.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232830_0-1-300x225.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232830_0-1-768x576.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232830_0-1.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u3053\u3053\u306e\u30c1\u30c3\u30d7\u62b5\u6297\u3092\u5439\u304d\u98db\u3070\u305b\u3070OK\u3002\u9ed2\u3044\u306e\u306fTVS\u30c0\u30a4\u30aa\u30fc\u30c9\u304b\u306a\uff1f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81\"><\/span>\u5168\u6ce2\u6574\u6d41<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e00\u56de\u306e\u96f7\u30b5\u30fc\u30b8\u3067\u3001\u30b5\u30fc\u30b8\u306f\u3069\u3061\u3089\u304b\u4e00\u65b9\u5411\u306b\u6d41\u308c\u308b\u306f\u305a\u3002(\u96fb\u6e90\u30e9\u30a4\u30f3\u304b\u3089\u30a2\u30fc\u30b9 or \u30a2\u30fc\u30b9\u304b\u3089\u9006\u6d41)<\/p>\n\n\n\n<p>\u3069\u3061\u3089\u306e\u65b9\u5411\u306b\u6d41\u308c\u3066\u3082\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u30012\u53f0\u8cb7\u3063\u3066\u9006\u5411\u304d\u306b\u8a2d\u7f6e\u3059\u308b\u304b\u30011\u53f0\u8cb7\u3063\u3066\u56de\u8def\u3067\u5168\u6ce2\u6574\u6d41\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3002<br>\u305d\u3082\u305d\u3082\u3053\u306e\u30bb\u30f3\u30b5\u30fc\u306f\u4ea4\u6d41\u96fb\u6d41\u6e2c\u5b9a\u7528\u3067\u3001\u30b5\u30fc\u30b8\u307f\u305f\u3044\u306a\u7247\u65b9\u5411\u306e\u5834\u5408\u306b\u3069\u3063\u3061\u306e\u5411\u304d\u3067\u8a2d\u7f6e\u3057\u305f\u3089\u3069\u3063\u3061\u306b\u6b63\u306e\u96fb\u5727\u304c\u51fa\u308b\u304b\u3082\u4e0d\u660e\u306a\u306e\u3067\u3001\u5168\u6ce2\u6574\u6d41\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%A9%E3%81%86%E3%82%84%E3%82%8B%EF%BC%9F\"><\/span>\u3069\u3046\u3084\u308b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3001\u666e\u901a\u306b\u30c0\u30a4\u30aa\u30fc\u30c9\u3092\u7528\u3044\u3066\u5168\u6ce2\u6574\u6d41\u3092\u3059\u308b\u3068\u30012*Vf \u5206\u306e\u96fb\u5727\u304c\u5931\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"357\" height=\"497\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-2.png\" alt=\"\" class=\"wp-image-1450\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-2.png 357w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-2-215x300.png 215w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/figure>\n\n\n\n<p>Vf\u304c\u4f4e\u3044\u30b7\u30e7\u30c3\u30c8\u30ad\u30fc\u30d0\u30ea\u30a2\u30c0\u30a4\u30aa\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3082\u30010.6 V\u3050\u3089\u3044\u306f\u6301\u3063\u3066\u3044\u304b\u308c\u308b\u306e\u3067\u5fae\u5999\u3002<\/p>\n\n\n\n<p>\u8272\u3005\u8abf\u3079\u3066\u307f\u308b\u3068\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u7406\u60f3\u30c0\u30a4\u30aa\u30fc\u30c9(Vf\u304c\u30bc\u30ed\uff01)\u3092\u5fdc\u7528\u3057\u305f\u5168\u6ce2\u6574\u6d41\u56de\u8def\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"952\" height=\"474\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-3.png\" alt=\"\" class=\"wp-image-1451\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-3.png 952w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-3-300x149.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-3-768x382.png 768w\" sizes=\"(max-width: 952px) 100vw, 952px\" \/><\/figure>\n\n\n\n<p>\u3057\u304b\u3082\u30b2\u30a4\u30f3\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002R5\/R3 = 2 \u306e\u3068\u304d\u5168\u6ce2\u6574\u6d41(1\u500d)\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u300220\u306b\u3059\u308c\u307010\u500d\u3002<br>\u305f\u3060\u3057\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u96fb\u6e90\u306b\u8ca0\u96fb\u6e90\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7IC\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u53cd\u8ee2\u3057\u305f\u96fb\u5727\u3092\u51fa\u529b\u3057\u3066\u304f\u308c\u308b\u4fbf\u5229\u306aIC\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%94%E3%83%BC%E3%82%AF%E4%BF%9D%E6%8C%81%E5%9B%9E%E8%B7%AF\"><\/span>\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6700\u5f8c\u306b\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def\u3002\u3053\u3053\u304c\u30b5\u30fc\u30b8\u691c\u51fa\u56de\u8def\u5168\u4f53\u306e\u51fa\u529b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4fe1\u53f7\u306e\u30d4\u30fc\u30af\u3092\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u8caf\u3081\u3001\u653e\u96fb\u62b5\u6297\u3067\u3086\u3063\u304f\u308a\u96fb\u8377\u3092\u958b\u653e\u3057\u307e\u3059\u3002<br>\u3053\u3053\u3067\u3082\u30c0\u30a4\u30aa\u30fc\u30c9\u306eVf\u5206\u304c\u5931\u308f\u308c\u307e\u3059\u304c\u3001\u524d\u6bb5\u306e\u30b2\u30a4\u30f3\u4ed8\u304d\u5168\u6ce2\u6574\u6d41\u56de\u8def\u3067\u5897\u5e45\u6e08\u307f\u306a\u306e\u3067OK<\/p>\n\n\n\n<p>Vf\u4e0b\u3052\u308b\u305f\u3081\u306b\u30c0\u30a4\u30aa\u30fc\u30c9\u3092\u30b7\u30e7\u30c3\u30c8\u30ad\u30fc\u306b\u3059\u308b\u3068\u3001\u6f0f\u308c\u96fb\u6d41\u304c\u5927\u304d\u304f\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u8caf\u3081\u305f\u96fb\u8377\u304c\u9003\u3052\u51fa\u3059\u306e\u3067\u666e\u901a\u306b\u30b7\u30ea\u30b3\u30f3\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"320\" height=\"320\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-4.png\" alt=\"\" class=\"wp-image-1452\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-4.png 320w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-4-300x300.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-4-150x150.png 150w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-4-80x80.png 80w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b50.1 uF\u3068\u62b5\u62971 M\u03a9\u3067\u6642\u5b9a\u6570\u306f100 ms\u3067\u3059\u3002\u3053\u308c\u306a\u3089ESP32\u306eADC\u5165\u529b\u3067\u3082\u5341\u5206\u691c\u51fa\u3067\u304d\u308b\u6642\u9593\u3002<\/p>\n\n\n\n<p>\u6700\u521d\u653e\u96fb\u62b5\u6297\u3092\u4ed8\u3051\u305a\u306b\u56de\u8def\u3092\u7d44\u3093\u3067\u307f\u307e\u3057\u305f\u304c\u3001(\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u30c0\u30a4\u30aa\u30fc\u30c9\u3001ADC\u5165\u529b\u306e\u6f0f\u308c\u96fb\u6d41\u3067\u52dd\u624b\u306b\u96fb\u8377\u304c\u3044\u3044\u611f\u3058\u306b\u629c\u3051\u308b\u3068\u4e88\u60f3)\u3001DC\u7684\u306b\u6d6e\u3044\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5e38\u6642\u5909\u306a\u96fb\u5727\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br>\u30d7\u30eb\u30c0\u30a6\u30f3\u62b5\u6297\u7684\u306a\u5f79\u5272\u3068\u3057\u3066\u3082\u653e\u96fb\u62b5\u6297\u306f\u7f6e\u3044\u305f\u307b\u3046\u304c\u826f\u3055\u305d\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A4%9C%E5%87%BA%E3%81%97%E3%81%A6%E8%A8%98%E9%8C%B2\"><\/span>\u691c\u51fa\u3057\u3066\u8a18\u9332<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ESP32\u306eADC\u5165\u529b\u3092\u4f7f\u3063\u3066\u691c\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>ESP-IDF\u3067DMA\u3068\u3044\u3046\u3082\u306e\u3092\u4f7f\u3046\u3068\u304b\u306a\u308a\u901f\u304f(\u6570\u767ekHz\uff1f)\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3089\u3057\u3044\u3067\u3059\u304c\u3001\u3080\u305a\u3044\u306e\u3067Arduino\u30e9\u30a4\u30d6\u30e9\u30ea\u7d4c\u7531\u306e\u8aad\u307f\u53d6\u308a\u3067\u3084\u308a\u307e\u3059\u3002<br>\u305d\u308c\u3067\u308210 kHz(0.1 ms\u9593\u9694\u3067\u8aad\u307f\u53d6\u308a)\u3050\u3089\u3044\u307e\u3067\u306a\u3089\u5927\u4e08\u592b\u3089\u3057\u3044\u3002\u306a\u306b\u3088\u308a\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def\u304c\u3042\u308b\u304b\u3089\u305d\u308c\u3067\u3082\u4f59\u88d5\u3067\u691c\u51fa\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%B7%E3%83%9F%E3%83%A5%E3%83%AC%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3\"><\/span>\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%9B%B7%E3%82%B5%E3%83%BC%E3%82%B8%E3%81%AE%E5%86%8D%E7%8F%BE\"><\/span>\u96f7\u30b5\u30fc\u30b8\u306e\u518d\u73fe<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>SPD\u306e\u8a55\u4fa1\u306b\u306f\u3001\u96f7\u30b5\u30fc\u30b8\u3092\u6a21\u64ec\u3057\u305f8\/20 us\u306e\u96fb\u6d41\u30a4\u30f3\u30d1\u30eb\u30b9\u304c\u3088\u304f\u7528\u3044\u3089\u308c\u308b\u3089\u3057\u3044\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sankosha.co.jp\/basic-lightning-protection\/lightning-surge\">https:\/\/www.sankosha.co.jp\/basic-lightning-protection\/lightning-surge<\/a><\/p>\n\n\n\n<p>ChatGPT\u306b\u3088\u308b\u3068&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"910\" height=\"354\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-8.png\" alt=\"\" class=\"wp-image-1473\" style=\"width:960px;height:auto\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-8.png 910w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-8-300x117.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-8-768x299.png 768w\" sizes=\"(max-width: 910px) 100vw, 910px\" \/><\/figure>\n\n\n\n<p>\u305d\u308c\u3063\u307d\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1514\" height=\"474\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-9.png\" alt=\"\" class=\"wp-image-1474\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-9.png 1514w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-9-300x94.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-9-1024x321.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-9-768x240.png 768w\" sizes=\"(max-width: 1514px) 100vw, 1514px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9B%9E%E8%B7%AF%E5%9B%B3\"><\/span>\u56de\u8def\u56f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"1032\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5.png\" alt=\"\" class=\"wp-image-1457\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5.png 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5-300x161.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5-1024x550.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5-768x413.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-5-1536x826.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CT%E5%85%A5%E5%8A%9B%EF%BD%9E%E3%82%AA%E3%83%9A%E3%82%A2%E3%83%B3%E3%83%97%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81%E3%81%BE%E3%81%A7\"><\/span>CT\u5165\u529b\uff5e\u30aa\u30da\u30a2\u30f3\u30d7\u5168\u6ce2\u6574\u6d41\u307e\u3067<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ca0\u8377\u62b5\u6297 Rb = 100 \u03a9<\/li>\n\n\n\n<li>\u904e\u96fb\u5727\u9632\u6b62\u306e\u305f\u3081\u3001TVS\u30c0\u30a4\u30aa\u30fc\u30c96.8 V\u3092\u631f\u3080<\/li>\n\n\n\n<li>\u96fb\u6d41\u5236\u9650\u306e\u305f\u3081\u306e\u62b5\u629710 \u03a9\u3092\u631f\u3093\u3060\u306e\u3061\u30011N4148\u3067GND\u3068\u30af\u30e9\u30f3\u30d7(\u30aa\u30da\u30a2\u30f3\u30d7\u5165\u529b\u30920\u00b1Vf\u306b\u6291\u3048\u308b)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%AA%E3%83%9A%E3%82%A2%E3%83%B3%E3%83%97%E5%85%A8%E6%B3%A2%E6%95%B4%E6%B5%81\"><\/span>\u30aa\u30da\u30a2\u30f3\u30d7\u5168\u6ce2\u6574\u6d41<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fa\u529b\u30ec\u30fc\u30ebto\u30ec\u30fc\u30eb\u306e\u30aa\u30da\u30a2\u30f3\u30d7 TLC2272<\/li>\n\n\n\n<li>\u30b2\u30a4\u30f3\u306f10\u500d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%94%E3%83%BC%E3%82%AF%E4%BF%9D%E6%8C%81%E5%9B%9E%E8%B7%AF-2\"><\/span>\u30d4\u30fc\u30af\u4fdd\u6301\u56de\u8def<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C=0.1 uF, R=1 M\u03a9 \u6642\u5b9a\u6570100 ms<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%B5%90%E6%9E%9C\"><\/span>\u7d50\u679c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF10_A\"><\/span>8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af10 A<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1904\" height=\"463\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10.png\" alt=\"\" class=\"wp-image-1475\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10.png 1904w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10-300x73.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10-1024x249.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10-768x187.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-10-1536x374.png 1536w\" sizes=\"(max-width: 1904px) 100vw, 1904px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF50_A\"><\/span>8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af50 A<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1908\" height=\"465\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11.png\" alt=\"\" class=\"wp-image-1476\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11.png 1908w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11-300x73.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11-1024x250.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11-768x187.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-11-1536x374.png 1536w\" sizes=\"(max-width: 1908px) 100vw, 1908px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF100_A\"><\/span>8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af100 A<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u3053\u3053\u3089\u8fba\u304b\u3089\u51fa\u529b\u96fb\u5727\u306f\u982d\u6253\u3061\u306b\u306a\u308a\u307e\u3059\u306d<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1911\" height=\"468\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12.png\" alt=\"\" class=\"wp-image-1477\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12.png 1911w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12-300x73.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12-1024x251.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12-768x188.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-12-1536x376.png 1536w\" sizes=\"(max-width: 1911px) 100vw, 1911px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"820_us_%E9%9B%BB%E6%B5%81%E6%B3%A2%E5%BD%A2_%E3%83%94%E3%83%BC%E3%82%AF50_kA\"><\/span>8\/20 us \u96fb\u6d41\u6ce2\u5f62 \u30d4\u30fc\u30af50 kA<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u6700\u60aa\u306e\u76f4\u6483\u96f7\u304c\u6765\u305f\u3068\u60f3\u5b9a\u3057\u3066\u300150 kA\u3002<br>\u5b9f\u969b\u306b\u306f\u4e00\u6b21\u5074\u306b\u3053\u3093\u306a\u5927\u96fb\u6d41\u304c\u6765\u305f\u3068\u3057\u3066\u3082\u3001\u30b3\u30a2\u304c\u98fd\u548c\u3057\u3066\u4e8c\u6b21\u5074\u306b\u306f\u5927\u3057\u305f\u96fb\u6d41\u306f\u6765\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u4e00\u5fdc\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1910\" height=\"461\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14.png\" alt=\"\" class=\"wp-image-1480\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14.png 1910w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14-300x72.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14-1024x247.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14-768x185.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-14-1536x371.png 1536w\" sizes=\"(max-width: 1910px) 100vw, 1910px\" \/><\/figure>\n\n\n\n<p>\u5404\u7d20\u5b50\u306f\u5927\u4e08\u592b\u306a\u3093\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1912\" height=\"468\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344.png\" alt=\"\" class=\"wp-image-1479\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344.png 1912w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344-300x73.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344-1024x251.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344-768x188.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-142344-1536x376.png 1536w\" sizes=\"(max-width: 1912px) 100vw, 1912px\" \/><\/figure>\n\n\n\n<p>TVS\u30c0\u30a4\u30aa\u30fc\u30c9\u304c\u5438\u53ce\u3057\u3066\u304f\u308c\u3066\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BD%9C%E3%82%8B\"><\/span>\u4f5c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9B%9E%E8%B7%AF%E5%9B%B3-2\"><\/span>\u56de\u8def\u56f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ChatGPT\u306b\u8a00\u308f\u308c\u305f\u901a\u308a\u306b\u3001\u5404IC\u306e\u96fb\u6e90\u5165\u529b\u306e\u76f4\u524d\u306b\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u3068\u3057\u30661 uF\u30680.1 uF\u306e\u7a4d\u5c64\u30bb\u30e9\u30b3\u30f3\u3092\u5165\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"1032\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7.png\" alt=\"\" class=\"wp-image-1472\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7.png 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7-300x161.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7-1024x550.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7-768x413.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/image-7-1536x826.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%81%E3%83%A3%E3%83%BC%E3%82%B8%E3%83%9D%E3%83%B3%E3%83%97IC_ICL7660\"><\/span>\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7IC ICL7660<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"512\" height=\"384\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-135854.png\" alt=\"\" class=\"wp-image-1507\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-135854.png 512w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-28-135854-300x225.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>-3.3 V\u3092\u3053\u3053\u3067\u4f5c\u308a\u307e\u3059\u3002\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u3088\u308b\u30682\u500b\u306e10 uF\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u304c\u5fc5\u8981\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u30de\u30cb\u30e5\u30a2\u30eb\u901a\u308a\u306b\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u914d\u7f6e\u3057\u3066\u3082\u306a\u305c\u304b\u52d5\u4f5c\u305b\u305a&#8230;\u3057\u304b\u3082IC\u304c\u7206\u71b1\u306b\u3002<\/p>\n\n\n\n<p>\u8272\u3005\u8a66\u3059\u3068\u3001IC\u3078\u306e+3.3 V\u306e\u5165\u529b\u3092ESP32\u304b\u3089\u306e3.3 V\u3067\u306f\u306a\u304f\u3001\u5225\u3067\u7528\u610f\u3057\u305f3.3 V\u3092\u4f7f\u3046\u3068\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u3057\u305f\u3002<br>\u591a\u5206\u63a5\u7d9a\u6642\u306b3.3 V\u30e9\u30a4\u30f3\u304c\u63fa\u308c\u3066\u8aa4\u52d5\u4f5c\u3057\u3066\u3044\u308b\uff1f<\/p>\n\n\n\n<p>\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u306f\u3053\u3093\u306a\u8a18\u8f09\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>&#8220;If the voltage supply driving the TJ7660 has a large source impedance (25\u2126 &#8211; 30\u2126), then a 2.2\u00b5F capacitor from pin 8 to ground may be required to limit rate of rise of input voltage to less than 2V\/\u00b5s.&#8221;<\/p>\n\n\n\n<p>\u96fb\u6e90\u304c\u30b4\u30df\u306a\u3068\u304d\u3001IC\u306e\u96fb\u6e90\u5165\u529b\u3068GND\u306e\u9593\u306b2.2 uF\u3050\u3089\u3044\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u5165\u308c\u308d\u3068\u66f8\u3044\u3066\u307e\u3059\u306d\u3002<br>\u3046\u30fc\u3093\u3001\u3067\u3082\u4e00\u5fdc1 uF\u30680.1 uF\u304c\u65e2\u306b\u5165\u3063\u3066\u308b\u3051\u3069\u3002<\/p>\n\n\n\n<p>3.3 V\u30e9\u30a4\u30f3\u306e\u5927\u5143\u306b47 uF\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u5165\u308c\u3066\u307f\u305f\u3089\u89e3\u6d88\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%8A%E8%B2%B7%E3%81%84%E7%89%A9%E3%83%AA%E3%82%B9%E3%83%88\"><\/span>\u304a\u8cb7\u3044\u7269\u30ea\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g100941\/\" title=\"\">\u6c4e\u7528\u5c0f\u4fe1\u53f7\u9ad8\u901f\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30fb\u30c0\u30a4\u30aa\u30fc\u30c9 1N4148 100V200mA<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g129631\" title=\"\">TVS\u30c0\u30a4\u30aa\u30fc\u30c9 P4KE6.8CA<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g115927\/\" title=\"\">\u7a4d\u5c64\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc 0.1\u03bcF100V X7R 5mm\u30d4\u30c3\u30c1<\/a> (C0G\u9ad8\u3044\u304b\u3089100 V\u54c1\u3067\u4ee3\u7528)<\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g115940\/\">\u7a4d\u5c64\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc 1\u03bcF50V X7R 2.54mm\u30d4\u30c3\u30c1<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g108155\/\">\u7a4d\u5c64\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc 10\u03bcF50V X7S 5mm<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g116868\/\">\u5c0e\u96fb\u6027\u9ad8\u5206\u5b50\u30a2\u30eb\u30df\u56fa\u4f53\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9 47\u03bcF63V125\u2103 PZJ<\/a> (\u666e\u901a\u306e\u96fb\u89e3\u30b3\u30f3\u3067\u3082\u3044\u3044\u3068\u601d\u3046)<\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g113455\/\">2\u56de\u8def\u5165CMOS\u4f4e\u96d1\u97f3\u30aa\u30da\u30a2\u30f3\u30d7 TLC2272CP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g112017\/\">\u30b9\u30a4\u30c3\u30c1\u30c8\u30ad\u30e3\u30d1\u30b7\u30bf\u30fc\u96fb\u5727\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc(\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7) TJ7660(HTC\u88fd)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g105363\/\">3.5mm\u30b9\u30c6\u30ec\u30aa\u30df\u30cb\u30b8\u30e3\u30c3\u30afDIP\u5316\u30ad\u30c3\u30c8<\/a> (\u3042\u308b\u3068\u4fbf\u5229)<\/li>\n<\/ul>\n\n\n\n<p>(\u81ea\u5206\u306f\u524d\u8ff0\u3057\u305f\u30c1\u30e3\u30fc\u30b8\u30dd\u30f3\u30d7IC\u306e\u8aa4\u52d5\u4f5c\u306e\u539f\u56e0\u3092\u5207\u308a\u5206\u3051\u308b\u305f\u3081\u306b\u8ffd\u52a0\u3067 <a href=\"https:\/\/akizukidenshi.com\/catalog\/g\/g131109\" title=\"\">TC1044SCPA<\/a>\u3092\u8cb7\u3063\u305f\u306e\u3067\u7d50\u5c40\u3053\u3063\u3061\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u5b89\u3044TJ7660\u3067\u3044\u3044\u3068\u601d\u3046)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%AF%E3%82%93%E3%81%A0%E4%BB%98%E3%81%91\"><\/span>\u306f\u3093\u3060\u4ed8\u3051<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"764\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232831_0-1024x764.jpg\" alt=\"\" class=\"wp-image-1482\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232831_0-1024x764.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232831_0-300x224.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232831_0-768x573.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/232831_0.jpg 1447w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%A0\"><\/span>\u30d7\u30ed\u30b0\u30e9\u30e0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ESP32\u5074\u3067\u691c\u51fa\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092Arduino\u3067\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0.2 ms\u9593\u9694(5 kHz)\u3067\u5272\u308a\u8fbc\u307f\u3057\u3066ADC\u8aad\u307f\u53d6\u308a<\/li>\n\n\n\n<li>ADC\u5024\u304c500\u3092\u8d85\u3048\u305f\u3089ON\u5224\u5b9a<\/li>\n\n\n\n<li>ON\u5224\u5b9a\u5f8c\u300130\u56de\u9023\u7d9a(6 ms\u9593)ADC\u5024\u304c500~100\u306e\u9593\u306e\u5024\u3092\u8a18\u9332\u3057\u305f\u3089&#8221;\u30b5\u30fc\u30b8&#8221;\u3068\u3057\u3066\u30d5\u30e9\u30b0\u7acb\u3066\u308b(\u8981\u306f\u30ce\u30a4\u30ba\u5bfe\u7b56)<\/li>\n<\/ul>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;driver\/adc.h&gt;\n#include &lt;driver\/timer.h&gt;\n\n\/\/ ADC\u96f7\u30b5\u30fc\u30b8\u691c\u51fa\nconst uint32_t SAMPLE_US = 200;   \/\/ 0.2ms\u9593\u9694(5kHz)\n\n\/\/ \u95be\u5024\u3068\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\nconst int UPPER_THRESHOLD = 500; \/\/ ON\u5224\u5b9a\u7528\uff08\u9ad8\u3081\uff09\nconst int LOWER_THRESHOLD = 100; \/\/ OFF\u5224\u5b9a\u7528\uff08\u4f4e\u3081\uff09\n\n\/\/ \u9023\u7d9a\u5224\u5b9a\u7528\nconst int N_CONSECUTIVE = 30; \/\/ \u9023\u7d9a\u5224\u5b9a\u56de\u6570\nvolatile int consecutiveCount = 0; \/\/ ISR\u3067\u7ba1\u7406\n\nvolatile bool thresholdPending = false; \/\/ ISR -&gt; loop \u306b\u901a\u77e5\u3059\u308b\u30d5\u30e9\u30b0\nvolatile int lastAdcValueISR = 0;   \/\/ ISR\u3067\u4fdd\u5b58\u3059\u308b\u6700\u65b0ADC\u5024\n\n\/\/ \u30a4\u30d9\u30f3\u30c8\u78ba\u5b9a\u6642\u306b\u30b3\u30d4\u30fc\u3059\u308b\u5909\u6570\nint lastAdcValueEvent = 0;\n\n\/\/ \u30d6\u30ed\u30c3\u30af\u6642\u9593\uff08ms\uff09\nconst unsigned long BLOCK_TIME_MS = 10000;\nunsigned long lastTriggerTime = 0;\n\nhw_timer_t *timer = NULL;\n\nvoid IRAM_ATTR onTimer() {\n  \/\/ \u8efd\u91cf\u306b\u4fdd\u3064\uff1aADC\u8aad\u307f\u53d6\u308a\uff08\u8efd\u3044\uff09\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u66f4\u65b0\u3001\u30d5\u30e9\u30b0\u7acb\u3066\n  int val = adc1_get_raw(ADC1_CHANNEL_0);\n  lastAdcValueISR = val; \/\/ \u6700\u65b0\u5024\u3092\u4fdd\u5b58\n\n  \/\/ \u95be\u5024\u5224\u5b9a\n  if (val &gt;= UPPER_THRESHOLD) {\n    consecutiveCount++;\n    if (consecutiveCount &gt;= N_CONSECUTIVE) {\n      thresholdPending = true;\n      consecutiveCount = 0; \/\/ \u30d5\u30e9\u30b0\u7acb\u3066\u305f\u3089\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u518d\u691c\u51fa\u307e\u3067\u5f85\u3064\n    }\n  } else {\n    consecutiveCount = 0; \/\/ \u95be\u5024\u672a\u6e80\u306a\u3089\u30ab\u30a6\u30f3\u30bf\u30ea\u30bb\u30c3\u30c8\n  }\n}\n\nvoid setup() {\n  \/\/ ADC config\n  adc1_config_channel_atten(ADC1_CHANNEL_0, ADC_ATTEN_DB_11); \/\/ ADC1_CH0(VP\u30d4\u30f3)\u306e\u6e1b\u8870\u309211dB\u306b\u8a2d\u5b9a\n  adc1_config_width(ADC_WIDTH_BIT_12); \/\/ ADC1\u306e\u89e3\u50cf\u5ea6\u309212bit\uff080~4095\uff09\u306b\u8a2d\u5b9a\n\n  timer = timerBegin(0, 80, true);\n  timerAttachInterrupt(timer, &onTimer, true);\n  timerAlarmWrite(timer, SAMPLE_US, true);\n  timerAlarmEnable(timer);\n}\n\nvoid loop() {\n  \/\/ ISR \u304c\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u305f\u3089\u3053\u3053\u3067\u51e6\u7406\u3059\u308b\uff08\u30d6\u30ed\u30c3\u30af\u6642\u9593\u30c1\u30a7\u30c3\u30af\uff09\n  if (thresholdPending) {\n    \/\/ atomically copy and clear flag (avoid race)\n    noInterrupts();\n    bool pending = thresholdPending;\n    thresholdPending = false;\n    int capturedVal = lastAdcValueISR; \/\/ ADC\u5024\u3092\u30b3\u30d4\u30fc\n    interrupts();\n\n    if (pending) {\n      unsigned long now = millis();\n      if (now - lastTriggerTime &gt;= BLOCK_TIME_MS) {\n        \/\/ \u3053\u3053\u3067\u91cd\u3044\u51e6\u7406\u3057\u3066 OK\n        lastTriggerTime = now;\n        lastAdcValueEvent = capturedVal;  \/\/ \u30a4\u30d9\u30f3\u30c8\u7528\u5909\u6570\u306b\u78ba\u5b9a\u5024\u3092\u4fdd\u5b58\n\n        Serial.print(&quot;\u95be\u5024\u30a4\u30d9\u30f3\u30c8\u767a\u751f! ADC\u5024 = &quot;);\n        Serial.println(lastAdcValueEvent);\n      }\n    }\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%86%E3%82%B9%E3%83%88\"><\/span>\u30c6\u30b9\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u9069\u5f53\u306a\u30d1\u30eb\u30b9\u3092CT\u5165\u529b\u306b\u5370\u52a0\u3057\u3066\u691c\u51fa\u3067\u304d\u308b\u304b\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Raspberry Pi pico(RP2040)\u3067\u300110 us\u9593GPIO\u3092HIGH\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u8a66\u3057\u3066\u307f\u307e\u3057\u305f<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;Arduino.h&gt;\n\nconst int pulsePin = 2;  \/\/ \u51fa\u529b\u3059\u308bGPIO\u30d4\u30f3\u756a\u53f7\nint pulse_count = 0;\n\nvoid setup() {\n  Serial.begin(115200);\n\n  pinMode(pulsePin, OUTPUT);\n  digitalWrite(pulsePin, LOW);\n\n  delay(1000);\n}\n\nvoid loop() {\n  pulse_count++;\n\n  if(pulse_count==20){\n      \/\/ 10\u03bcs\u5e45\u306e\u30d1\u30eb\u30b9\u3092\u51fa\u529b(10\u79d2\u6bce)\n    digitalWrite(pulsePin, HIGH);\n    delayMicroseconds(10);  \/\/ 10\u03bcs\n    digitalWrite(pulsePin, LOW);\n    pulse_count=0;\n  }\n\n  delay(500);\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u3061\u3083\u3093\u3068\u691c\u51fa\u3067\u304d\u3066\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>\u95be\u5024\u30a4\u30d9\u30f3\u30c8\u767a\u751f! ADC\u5024 = 781\n\u95be\u5024\u30a4\u30d9\u30f3\u30c8\u767a\u751f! ADC\u5024 = 446\n\u95be\u5024\u30a4\u30d9\u30f3\u30c8\u767a\u751f! ADC\u5024 = 453<\/code><\/pre><\/div>\n\n\n\n<p>\u65e9\u304f\u96f7\u6765\u306a\u3044\u304b\u306a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LTSpice_KiCad%E3%83%87%E3%83%BC%E3%82%BF\"><\/span>LTSpice, KiCad\u30c7\u30fc\u30bf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/surge_counter_LTSpice.zip\">https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/surge_counter_LTSpice.zip<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/surge_counter_KiCad.zip\">https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/08\/surge_counter_KiCad.zip<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u8a2d\u7f6e\u3057\u305fSPD\u306e\u52b9\u679c\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u306b\u96f7\u30b5\u30fc\u30b8\u30ab\u30a6\u30f3\u30bf\u3092\u81ea\u4f5c\u3057\u307e\u3059\u3002\u5e02\u8ca9\u54c1\u306f\u3069\u3048\u3089\u3044\u4fa1\u683c\u3057\u307e\u3059\u3057\u3001\u4e2d\u53e4\u306f\u30e4\u30d5\u30aa\u30af\u306b\u51fa\u307e\u305b\u3093\u3002 \u65b9\u91dd \u5e02\u8ca9\u54c1 \u5e02\u8ca9\u54c1\u3092\u898b\u3066\u307f\u308b\u3068\u3001\u3069\u308c\u3082\u30b3\u30a2\u3067\u631f\u3080\u30bf\u30a4\u30d7\u306e\u96fb\u6d41\u30bb\u30f3\u30b5\u30fc\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u4f7f\u3063\u3066\u307e\u3059\u306d\u3002\u3053\u308c\u3092\u53c2\u8003\u306b\u3057\u307e\u3059\u3002 \u691c\u51fa\u96fb\u6d41\u95be\u5024\u309210 A\/50&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":1482,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,72,7,35,52],"tags":[],"class_list":["post-1444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esp32","category-spd","category-7","category-35","category-52"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1444"}],"version-history":[{"count":23,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1444\/revisions"}],"predecessor-version":[{"id":1600,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1444\/revisions\/1600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=\/wp\/v2\/media\/1482"}],"wp:attachment":[{"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tatuiyo.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}