{"id":699,"date":"2025-10-30T23:48:47","date_gmt":"2025-10-30T14:48:47","guid":{"rendered":"https:\/\/microelectronica.jp\/wiki\/?p=699"},"modified":"2025-10-31T23:18:03","modified_gmt":"2025-10-31T14:18:03","slug":"%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab%e3%80%80%ef%bd%9e%e3%82%b9%e3%82%b1%e3%83%83%e3%83%81%e3%81%ae%e9%96%8b%e7%99%ba%e3%82%92%e3%81%97%e3%82%88%e3%81%86%ef%bd%9e","status":"publish","type":"post","link":"https:\/\/microelectronica.jp\/wiki\/?p=699","title":{"rendered":"\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3000\uff5e\u30b9\u30b1\u30c3\u30c1\u306e\u958b\u767a\u3092\u3057\u3088\u3046\uff5e"},"content":{"rendered":"<h3 class=\"\u201dhh\"><strong>\u25a0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u308b L\u30c1\u30ab\u7de8<\/strong><\/h3>\n<p>\u305d\u308c\u3067\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u65e9\u901f\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6700\u3082\u7c21\u5358\u306aLED\u70b9\u6ec5\u30d7\u30ed\u30b0\u30e9\u30e0(L\u30c1\u30ab)\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002200\u30df\u30ea\u79d2\u9593\u9694\u3067\u6307\u5b9a\u3057\u305f\u30d4\u30f3\u3092High-Low\u3055\u305b\u308b\u3060\u3051\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u30d4\u30f3\u3068\u3057\u306626\u30d4\u30f3\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\u3002\u9069\u5b9c\u5909\u66f4\u3057\u3066\u30b9\u30b1\u30c3\u30c1\u3092\u66f8\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span>ESP32-DevKitC-32E\u5b9f\u9a13\u7528\u30d9\u30fc\u30b9\u30dc\u30fc\u30c9\u306b\u306f6\u500b\u306eLED\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404LED\u306fGPIO\u304cH\u30ec\u30d9\u30eb\u306e\u6642\u306b\u70b9\u706f\u3057\u307e\u3059\u3002<\/span><\/p>\n<p>\u203b\u4f46\u305735,34\u306f\u5165\u529b\u5c02\u7528\u306a\u306e\u3067\u4f7f\u3048\u307e\u305b\u3093\u3002<\/p>\n<div>\n<div>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers  language-cpp\" data-lang=\"C++\"><code class=\" language-cpp\" data-hcb-clip=\"1\"><span class=\"token keyword\">int<\/span> LED <span class=\"token operator\">=<\/span> 26<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token function\">pinMode<\/span><span class=\"token punctuation\">(<\/span>LED<span class=\"token punctuation\">,<\/span>OUTPUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n  <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>LED<span class=\"token punctuation\">,<\/span>HIGH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>LED<span class=\"token punctuation\">,<\/span>LOW<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<p><button class=\"hcb-clipboard\" data-clipboard-target=\"[data-hcb-clip=&quot;1&quot;]\" data-clipboard-action=\"copy\" aria-label=\"\u30b3\u30fc\u30c9\u3092\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3059\u308b\"><\/button><\/div>\n<div class=\"hcb_wrap\">\u3067\u306f\u65e9\u901f\u30b3\u30f3\u30d1\u30a4\u30eb\uff08\u30d3\u30eb\u30c9\uff09\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092ESP32-WROOM-32E\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08\u66f8\u304d\u8fbc\u307f\uff09\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<\/div>\n<p>\u30c4\u30fc\u30eb\u30d0\u30fc\u753b\u9762\u5de6\u4e0a\u306b\u3042\u308b\u300c\u2192\u300d\u306e\u30dc\u30bf\u30f3\uff08\u66f8\u304d\u8fbc\u307f\uff09\u3092\u62bc\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_i.jpg\" alt=\"\" width=\"380\" height=\"116\" class=\"alignnone  wp-image-585\" srcset=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_i.jpg 452w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_i-300x92.jpg 300w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_i-60x18.jpg 60w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_i-150x46.jpg 150w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u4fdd\u5b58\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u306e\u3067\u9069\u5f53\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u5c11\u3057\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u8aa4\u308a\u304c\u306a\u3051\u308c\u3070\u30b3\u30f3\u30d1\u30a4\u30eb\u5f8c\u306b\u81ea\u52d5\u7684\u306b\u66f8\u304d\u8fbc\u307f\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30a6\u30a4\u30f3\u30c9\u30a6\u4e0b\u306e\u300c\u51fa\u529b\u300d\u3068\u3044\u3046\u90e8\u5206\u306b\u9032\u6357\u72b6\u6cc1\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\u306e\u30b5\u30a4\u30ba\u3084RAM\u306e\u5bb9\u91cf\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7db4\u308a\u30df\u30b9\u3084\u30a8\u30e9\u30fc\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u66f8\u304d\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u3068\u300cHard resetting via RTS pin\u2026\u300d\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1.jpg\" alt=\"\" width=\"736\" height=\"251\" class=\"alignnone  wp-image-586\" srcset=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1.jpg 1024w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1-300x102.jpg 300w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1-768x262.jpg 768w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1-60x20.jpg 60w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2022\/08\/esp32_j-1024x349-1-150x51.jpg 150w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>\u30dc\u30fc\u30c9\u4e0a\u306b\u3042\u308b\u30c7\u30a3\u30c3\u30d7\u30b9\u30a4\u30c3\u30c1\u306e26\u3068\u66f8\u304b\u308c\u305f\u30b9\u30a4\u30c3\u30c1\u3092ON\u4f4d\u7f6e\u306b\u30bb\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30dc\u30fc\u30c9\u4e0a\u306e26\u3068\u66f8\u304b\u308c\u305fLED\u304c\u70b9\u6ec5\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u70b9\u6ec5\u3059\u308b\u5468\u671f\u3092\u5909\u66f4\u3057\u305f\u308a\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5909\u3048\u3066\u307f\u3066\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3 class=\"\u201dhh\">\u25a0\u30d4\u30f3\u306e\u72b6\u614b\u3092\u53d6\u5f97\u3057\u3066\u307f\u308b<\/h3>\n<p>GPIO\u3092\u5165\u529b\u8a2d\u5b9a\u306b\u3057\u3066\u305d\u306e\u72b6\u614b\u306b\u5fdc\u3058\u3066\u51e6\u7406\u3092\u5206\u5c90\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u672c\u5b9f\u9a13\u30dc\u30fc\u30c9\u306b\u306f6\u3064\u306e\u30bf\u30af\u30c8\u30b9\u30a4\u30c3\u30c1\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\uff081\u3064\u306f\u30ea\u30bb\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u3067\u3059\u3002\uff09\u3053\u3053\u3067\u306fGPIO36\u306e\u30b9\u30a4\u30c3\u30c1\u3092\u62bc\u3057\u305f\u6642\u306bLED\u3092\u70b9\u706f\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>GPIO36\u3092\u5165\u529b\u30d4\u30f3\u3068\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002<br \/>\n\u5165\u529b\u30d4\u30f3\u306e\u5834\u5408\u306b\u306f\u30b9\u30a4\u30c3\u30c1\u3092\u62bc\u3057\u3066\u3044\u306a\u3044\u6642\u306b\u30d4\u30f3\u306e\u8ad6\u7406\u72b6\u614b\u3092High\u306b\u3059\u308b\u304b\u3001Low\u306b\u3059\u308b\u304b\u3092\u30d7\u30eb\u30a2\u30c3\u30d7\u53c8\u306f\u30d7\u30eb\u30c0\u30a6\u30f3\u306b\u3088\u3063\u3066\u6c7a\u3081\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002ESP32\u3067\u306f\u6307\u5b9a\u3057\u305f\u30d4\u30f3\u3092\u5165\u529b\u30d4\u30f3\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3068\u3082\u306b\u305d\u306e\u30d4\u30f3\u3092\u5185\u90e8\u30d7\u30eb\u30a2\u30c3\u30d7\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u4f7f\u3048\u3070\u5916\u90e8\u306b\u30d7\u30eb\u30a2\u30c3\u30d7\u7528\u62b5\u6297\u5668\u3092\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u4f46\u3057\u3001\u30d7\u30eb\u30c0\u30a6\u30f3\u306e\u8a2d\u5b9a\u306f\u3067\u304d\u307e\u305b\u3093\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306fGPIO36\u306e\u30b9\u30a4\u30c3\u30c1\u3092\u62bc\u3057\u305f\u6642\u306bLED\u304c\u70b9\u706f\u3001\u96e2\u3059\u3068\u6d88\u706f\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<\/p>\n<div>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers  language-cpp\" data-lang=\"C++\"><code class=\" language-cpp\" data-hcb-clip=\"2\"><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> ledPin <span class=\"token operator\">=<\/span> <span class=\"token number\">32<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> swPin <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\r\n  <span class=\"token function\">pinMode<\/span><span class=\"token punctuation\">(<\/span>ledPin<span class=\"token punctuation\">,<\/span> OUTPUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token function\">pinMode<\/span><span class=\"token punctuation\">(<\/span>swPin<span class=\"token punctuation\">,<\/span> INPUT_PULLUP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\r\n  <span class=\"token keyword\">int<\/span> sw_state <span class=\"token operator\">=<\/span> <span class=\"token function\">digitalRead<\/span><span class=\"token punctuation\">(<\/span>swPin<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sw_state<span class=\"token operator\">==<\/span>HIGH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>ledPin<span class=\"token punctuation\">,<\/span> LOW<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span><span class=\"token keyword\">else<\/span><span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>ledPin<span class=\"token punctuation\">,<\/span> HIGH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n  <span class=\"token punctuation\">}<\/span>  \r\n\r\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<p><span>\u9069\u5f53\u306b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u3057\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u66f8\u304d\u8fbc\u3093\u3067\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u00a0<\/span><span>pinMode()<\/span><span>\u3067\u306f\u5165\u529b\u30d4\u30f3\u3068\u3059\u308b\u6642\u306b\u3060\u3051<\/span><span>INPUT_PULLUP<\/span><span>\u3092\u5f15\u6570\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u3068\u5185\u90e8\u30d7\u30eb\u30a2\u30c3\u30d7\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002 \u30d4\u30f3\u306e\u72b6\u614b\u306fdigitalRead()\u95a2\u6570\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002 \u623b\u308a\u5024\u306fint\u578b\u5909\u6570\u306b\u4ee3\u5165\u3057\u307e\u3059\u3002\u305d\u306e\u5024\u3092if\u6587\u3067\u5224\u5b9a\u3057\u307e\u3059\u3002 \u30b9\u30a4\u30c3\u30c1\u3092\u62bc\u3057\u3066\u3044\u306a\u3044\u6642\u306f\u30d7\u30eb\u30a2\u30c3\u30d7\u306b\u3088\u308aGPIO0\u306fHigh\u30ec\u30d9\u30eb\u306a\u306e\u3067LED\u306f\u6d88\u706f\u306b\u3001\u62bc\u3057\u305f\u6642\u306fLow\u306a\u306e\u3067LED\u3092\u70b9\u706f\u3055\u305b\u307e\u3059\u3002<\/span><\/p>\n<h5>if\u6587\u3067\u5224\u5b9a\u3059\u308b\u6761\u4ef6\u5f0f\u3067\u306f\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u304c\u3001\u300c\u7b49\u3057\u3044\u300d\u6642\u306f==\u306f2\u3064\u3067\u3059\u3002\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/h5>\n<h3>\u25a0LCD\u306bAD\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3067\u53d6\u5f97\u3057\u305f\u5024\u3092\u8868\u793a\u3059\u308b<\/h3>\n<p>\u672c\u30dc\u30fc\u30c9\u306b\u306f\u300116\u6587\u5b572\u884c\u306eI2C\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306eLCD\u304c\u642d\u8f09\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u306b\u6587\u5b57\u3092\u8868\u793a\u3059\u308b\u306b\u306fI2C LCD\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30ea ST7032_asukiaaa \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p><strong><a href=\"https:\/\/github.com\/asukiaaa\/ST7032_asukiaaa\">https:\/\/github.com\/asukiaaa\/ST7032_asukiaaa<\/a><\/strong><\/p>\n<p>\u30e9\u30a4\u30d6\u30e9\u30ea\u30de\u30cd\u30fc\u30b8\u30e3\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u3001\u4e0a\u8a18GitHub\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img01-300x283.jpg\" alt=\"\" width=\"254\" height=\"240\" class=\"alignnone  wp-image-707\" srcset=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img01-300x283.jpg 300w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img01-60x57.jpg 60w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img01-150x142.jpg 150w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img01.jpg 324w\" sizes=\"auto, (max-width: 254px) 100vw, 254px\" \/><\/p>\n<p>AD\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u7528\u306e\u30dc\u30ea\u30e5\u30fc\u30e0(10K\u30aa\u30fc\u30e0)\u306f\u3001GPIO36\u306b\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u3059\u3050\u5de6\u96a3\u306b\u3042\u308b\u30b8\u30e3\u30f3\u30d1\u30fc\u3092\u30bd\u30b1\u30c3\u30c8\u3067\u30b7\u30e7\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3067\u30dc\u30ea\u30e5\u30fc\u30e0\u3068GPIO36\u304c\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u4f8b\u3067\u306f\u3001GPIO36\u306b\u5370\u52a0\u3055\u308c\u3066\u3044\u308b\u96fb\u5727\u5024\u3092LCD\u306b\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div>\n<div>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;ST7032_asukiaaa.h&gt;\r\nST7032_asukiaaa lcd(0x3E);\r\n\r\nconst int adcPin = 36;\r\n\r\nvoid setup() {\r\n\r\n\u00a0 Wire.begin(21, 22); \/\/ SDA, SCL\r\n\u00a0 lcd.setWire(&amp;Wire);\r\n\r\n\u00a0 lcd.begin(16, 2);\r\n\u00a0 lcd.setContrast(30);\r\n\u00a0 delay(100);\r\n\u00a0 lcd.clear();\r\n\r\n}\r\n\r\nvoid loop() {\r\n\r\n\u00a0 int adcValue = analogRead(adcPin);\r\n\u00a0 float voltage = (adcValue \/ 4095.0) * 3.3;\r\n\r\n\u00a0 lcd.setCursor(0, 0);\r\n\u00a0 lcd.print(adcValue);\r\n\u00a0 lcd.setCursor(0, 1);\r\n\u00a0 lcd.print(voltage);\r\n\r\n}<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3>\u25a0WEB\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066LED\u3092\u5236\u5fa1\u3059\u308b<\/h3>\n<p>ESP32\u306eWEB\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u30d6\u30e9\u30a6\u30b6\u304b\u3089ESP32\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30dc\u30fc\u30c9\u4e0a\u306eLED\u3092\u5236\u5fa1\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>LED\u306f\u300126\u30fb27\u30fb14\u30fb13\u306e4\u3064\u3092\u4f7f\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u304b\u3089ESP32\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u306b\u306f4\u3064\u306e\u30dc\u30bf\u30f3\u3092\u8868\u793a\u3055\u305b\u3001\u30dc\u30bf\u30f3\u30921\u56de\u62bc\u3059\u3068\u70b9\u706f\u3001\u3082\u3046\u4e00\u5ea6\u62bc\u3059\u3068\u6d88\u706f\u3055\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u7c21\u5358\u306bLED\u5236\u5fa1\u304c\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u30dc\u30fc\u30c9\u306e26\u30fb27\u30fb14\u30fb13\u306e\u30c7\u30a3\u30c3\u30d7\u30b9\u30a4\u30c3\u30c1\u3092ON\u4f4d\u7f6e\u306b\u30bb\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\n<div>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;WiFi.h&gt;\r\n#include &lt;WebServer.h&gt;\r\n\r\n\/\/ Wi-Fi\u8a2d\u5b9a\r\nconst char* ssid = \"YOUR_SSID\";\r\nconst char* password = \"YOUR_PASSWORD\";\r\n\r\nWebServer server(80);\r\n\r\n\/\/ LED\u30d4\u30f3\u756a\u53f7\r\nint ledPins[] = {26, 27, 14, 13};\r\nbool ledState[4] = {false, false, false, false};\r\n\r\n\/\/ HTML\u30da\u30fc\u30b8\u751f\u6210\r\nString makeHTML() {\r\n\u00a0 String html = \"&lt;!DOCTYPE html&gt;&lt;html&gt;&lt;head&gt;&lt;meta charset='UTF-8'&gt;\";\r\n\u00a0 html += \"&lt;title&gt;ESP32 LED Control&lt;\/title&gt;\";\r\n\u00a0 html += \"&lt;style&gt;body{text-align:center;font-family:sans-serif;}\";\r\n\u00a0 html += \"button{width:120px;height:60px;font-size:18px;margin:10px;}&lt;\/style&gt;\";\r\n\u00a0 html += \"&lt;\/head&gt;&lt;body&gt;&lt;h2&gt;ESP32 LED Control&lt;\/h2&gt;\";\r\n\r\n\u00a0 for (int i = 0; i &lt; 4; i++) {\r\n\u00a0 \u00a0 html += \"&lt;p&gt;GPIO \" + String(ledPins[i]) + \": \";\r\n\u00a0 \u00a0 if (ledState[i])\r\n\u00a0 \u00a0 \u00a0 html += \"&lt;b&gt;ON&lt;\/b&gt;\";\r\n\u00a0 \u00a0 else\r\n\u00a0 \u00a0 \u00a0 html += \"&lt;b&gt;OFF&lt;\/b&gt;\";\r\n\u00a0 \u00a0 html += \"&lt;\/p&gt;\";\r\n\u00a0 \u00a0 html += \"&lt;form action='\/toggle' method='GET'&gt;\";\r\n\u00a0 \u00a0 html += \"&lt;input type='hidden' name='pin' value='\" + String(i) + \"'&gt;\";\r\n\u00a0 \u00a0 html += \"&lt;button type='submit'&gt;\" + String(ledState[i] ? \"OFF\" : \"ON\") + \"&lt;\/button&gt;&lt;\/form&gt;\";\r\n\u00a0 }\r\n\r\n\u00a0 html += \"&lt;\/body&gt;&lt;\/html&gt;\";\r\n\u00a0 return html;\r\n}\r\n\r\n\/\/ \u30c8\u30b0\u30eb\u51e6\u7406\r\nvoid handleToggle() {\r\n\u00a0 if (server.hasArg(\"pin\")) {\r\n\u00a0 \u00a0 int index = server.arg(\"pin\").toInt();\r\n\u00a0 \u00a0 if (index &gt;= 0 &amp;&amp; index &lt; 4) {\r\n\u00a0 \u00a0 \u00a0 ledState[index] = !ledState[index];\r\n\u00a0 \u00a0 \u00a0 digitalWrite(ledPins[index], ledState[index] ? HIGH : LOW);\r\n\u00a0 \u00a0 }\r\n\u00a0 }\r\n\u00a0 server.send(200, \"text\/html\", makeHTML());\r\n}\r\n\r\n\/\/ \u30e1\u30a4\u30f3\u30da\u30fc\u30b8\r\nvoid handleRoot() {\r\n\u00a0 server.send(200, \"text\/html\", makeHTML());\r\n}\r\n\r\nvoid setup() {\r\n\u00a0 Serial.begin(115200);\r\n\r\n\u00a0 \/\/ LED\u30d4\u30f3\u521d\u671f\u5316\r\n\u00a0 for (int i = 0; i &lt; 4; i++) {\r\n\u00a0 \u00a0 pinMode(ledPins[i], OUTPUT);\r\n\u00a0 \u00a0 digitalWrite(ledPins[i], LOW);\r\n\u00a0 }\r\n\r\n\u00a0 \/\/ WiFi\u63a5\u7d9a\r\n\u00a0 WiFi.begin(ssid, password);\r\n\u00a0 Serial.print(\"WiFi connecting...\");\r\n\u00a0 while (WiFi.status() != WL_CONNECTED) {\r\n\u00a0 \u00a0 delay(500);\r\n\u00a0 \u00a0 Serial.print(\".\");\r\n\u00a0 }\r\n\u00a0 Serial.println(\"\\nConnected!\");\r\n\u00a0 Serial.print(\"IP address: \");\r\n\u00a0 Serial.println(WiFi.localIP());\r\n\r\n\u00a0 \/\/ \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a\r\n\u00a0 server.on(\"\/\", handleRoot);\r\n\u00a0 server.on(\"\/toggle\", handleToggle);\r\n\r\n\u00a0 \/\/ \u30b5\u30fc\u30d0\u30fc\u958b\u59cb\r\n\u00a0 server.begin();\r\n\u00a0 Serial.println(\"HTTP server started\");\r\n}\r\n\r\nvoid loop() {\r\n\u00a0 server.handleClient();\r\n}<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<p>YOUR_SSID\u3068YOUR_PASSWORD\u306b\u306f\u5b9f\u969b\u306eWi-Fi\u306e\u63a5\u7d9a\u60c5\u5831\u3092\u8a18\u8ff0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d3\u30eb\u30c9\u3068\u66f8\u304d\u8fbc\u307f\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u30b7\u30ea\u30a2\u30eb\u30e2\u30cb\u30bf\u30fc\u3092\u6709\u52b9\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002ESP32\u306bDHCP\u3067\u5272\u308a\u5f53\u3066\u3089\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u304c\u4f55\u756a\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306b\u30b7\u30ea\u30a2\u30eb\u30e2\u30cb\u30bf\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002\u30e1\u30cb\u30e5\u30fc\u30d0\u30fc\u306e&#8221;\u30c4\u30fc\u30eb&#8221;\u2192&#8221;\u30b7\u30ea\u30a2\u30eb\u30e2\u30cb\u30bf&#8221;\u3067\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img02-300x166.jpg\" alt=\"\" width=\"300\" height=\"166\" class=\"alignnone size-medium wp-image-709\" srcset=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img02-300x166.jpg 300w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img02-60x33.jpg 60w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img02-150x83.jpg 150w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img02.jpg 467w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u66f8\u304d\u8fbc\u307f\u304c\u5b8c\u4e86\u3057\u3066Wi-Fi\u306b\u63a5\u7d9a\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u63a5\u7d9a\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3059\u308b\u3068\u30b7\u30ea\u30a2\u30eb\u30e2\u30cb\u30bf\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img03-300x124.jpg\" alt=\"\" width=\"300\" height=\"124\" class=\"alignnone size-medium wp-image-710\" srcset=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img03-300x124.jpg 300w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img03-60x25.jpg 60w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img03-150x62.jpg 150w, https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2025\/10\/img03.jpg 435w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30dc\u30bf\u30f3\u304c4\u3064\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5404\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068LED\u304c\u70b9\u706f\u3001\u6d88\u706f\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u308b L\u30c1\u30ab\u7de8 \u305d\u308c\u3067\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u65e9\u901f\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6700\u3082\u7c21\u5358\u306aLED\u70b9\u6ec5\u30d7\u30ed\u30b0\u30e9\u30e0(L\u30c1\u30ab)\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002200\u30df\u30ea\u79d2\u9593\u9694\u3067\u6307\u5b9a\u3057\u305f\u30d4\u30f3\u3092High-Low\u3055\u305b\u308b\u3060\u3051\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002 \u4eca\u56de\u306f\u30d4 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