{"id":1559,"date":"2025-09-05T02:39:26","date_gmt":"2025-09-04T17:39:26","guid":{"rendered":"https:\/\/tatuiyo.xyz\/?p=1559"},"modified":"2026-03-26T11:14:20","modified_gmt":"2026-03-26T02:14:20","slug":"500%e5%86%86%e3%81%a7%e4%bd%9c%e3%82%8c%e3%82%8b%e3%82%aa%e3%82%b7%e3%83%ad%e3%82%b9%e3%82%b3%e3%83%bc%e3%83%97-scoppy-raspberry-pi-pico-rp2040-2350","status":"publish","type":"post","link":"https:\/\/tatuiyo.xyz\/?p=1559","title":{"rendered":"500\u5186\u3067\u4f5c\u308c\u308b\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7 Scoppy\u306e\u96fb\u5727\u30ec\u30f3\u30b8\u8abf\u6574 (Raspberry Pi Pico RP2040, RP2350)"},"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=1559\/#%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=1559\/#%E3%82%B9%E3%83%9A%E3%83%83%E3%82%AF\" >\u30b9\u30da\u30c3\u30af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#%E5%9B%9E%E8%B7%AF\" >\u56de\u8def<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#%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-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#Scoppy%E3%82%A2%E3%83%97%E3%83%AA\" >Scoppy\u30a2\u30d7\u30ea<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#%E8%A3%9C%E6%AD%A3\" >\u88dc\u6b63<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#%E7%9F%A9%E5%BD%A2%E6%B3%A2%E3%82%92%E6%B8%AC%E3%82%8B\" >\u77e9\u5f62\u6ce2\u3092\u6e2c\u308b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#1_kHz\" >1 kHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#5_kHz\" >5 kHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#10_kHz\" >10 kHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#50_kHz\" >50 kHz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#100_kHz\" >100 kHz<\/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=1559\/#200_kHz\" >200 kHz<\/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-14\" href=\"https:\/\/tatuiyo.xyz\/?p=1559\/#KiCad%E3%83%87%E3%83%BC%E3%82%BF\" >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>Raspberry Pi Pico\u306eADC\u5165\u529b\u3092\u5229\u7528\u3057\u305f\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3002\u30e9\u30ba\u30d1\u30a4\u3068Android\u3068OTG\u30b1\u30fc\u30d6\u30eb\u3067\u63a5\u7d9a\u5f8c\u3001\u30b9\u30de\u30db\u30a2\u30d7\u30ea\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/oscilloscope.fhdm.xyz\">https:\/\/oscilloscope.fhdm.xyz<\/a><\/p>\n\n\n\n<p>\u6709\u6599\u7248(\u8cb7\u3044\u5207\u308a450\u5186)\u30672ch\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u7121\u6599\u7248\u306f1ch\u306e\u307f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%83%9A%E3%83%83%E3%82%AF\"><\/span>\u30b9\u30da\u30c3\u30af<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>RP2040\u5185\u8535ADC\u306e\u30b5\u30f3\u30d7\u30eb\u30ec\u30fc\u30c8\u306f 500 kS\/s \u3067\u3059\u304c\u3001\u30aa\u30fc\u30d0\u30fc\u30af\u30ed\u30c3\u30af\u3057\u3066 2.0 MS\/s\u3067\u52d5\u304b\u305b\u308b\u3089\u3057\u3044\u3002<br>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5b9a\u7406\u3088\u308a\u3001 1 MHz\u306e\u5468\u6ce2\u6570\u307e\u3067\u7406\u8ad6\u4e0a\u306f\u898b\u308c\u308b\u306f\u305a\u3002\u5b9f\u969b\u306f1\/5\u3050\u3089\u3044\u306e200 kHz\u304c\u3044\u3044\u3068\u3053\u307f\u305f\u3044\u3067\u3059\u304c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"461\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485-1024x461.jpg\" alt=\"\" class=\"wp-image-1582\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485-1536x691.jpg 1536w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234485.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30e9\u30ba\u30d1\u30a4\u306eADC\u5165\u529b\u7bc4\u56f2\u306f 0~3.3 V \u306a\u306e\u3067\u3001\u3053\u308c\u3088\u308a\u5e83\u3044\u30ec\u30f3\u30b8\u3092\u898b\u308b\u306b\u306f\u56de\u8def\u5074\u3067\u5de5\u592b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br>\u305d\u306e\u5f8c\u3001Scoppy\u30a2\u30d7\u30ea\u5074\u304b\u3089\u56de\u8def\u3067\u6c7a\u3081\u305f\u96fb\u5727\u30ec\u30f3\u30b8\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u30a2\u30d7\u30ea\u306e\u30ec\u30f3\u30b8\u8868\u793a\u3082\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9006\u306b\u30ec\u30f3\u30b8\u3092 0~1 V \u3068\u304b\u306b\u3057\u3066\u30aa\u30da\u30a2\u30f3\u30d7\u30673.3\u500d\u306b\u5897\u5e45\u3057\u3066\u89e3\u50cf\u5ea6\u3092\u9ad8\u304f\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9B%9E%E8%B7%AF\"><\/span>\u56de\u8def<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3068\u308a\u3042\u3048\u305a\u3001 -6 V ~ +12 V \u3050\u3089\u3044\u304c\u6e2c\u308c\u308c\u3070\u826f\u3044\u304b\u306a\uff1f<br>CH1\u306e\u96fb\u5727\u30ec\u30f3\u30b8\u306f\u3053\u308c\u3092\u76ee\u6a19\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u96fb\u5727\u30ec\u30f3\u30b8\u3092\u6c7a\u3081\u308b R1, R2, R3 \u306f\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u6cd5\u5247\u3067\u7c21\u5358\u306b\u6c42\u307e\u308a\u307e\u3059\u304c\u3001\u90fd\u5408\u3088\u304f\u305d\u306e\u62b5\u6297\u5024\u306e\u62b5\u6297\u304c\u3042\u308b\u3068\u3082\u9650\u3089\u306a\u3044\u306e\u3067\u3001\u6301\u3063\u3066\u308b\u62b5\u6297\u306e\u4e00\u89a7\u3068\u3001\u3053\u306e\u5e0c\u671b\u30ec\u30f3\u30b8\u3092\u6e21\u3057\u3066\u6700\u9069\u306a\u62b5\u6297\u306e\u7d44\u307f\u5408\u308f\u305b\u3092ChatGPT\u306b\u635c\u7d22\u3055\u305b\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"689\" height=\"377\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-13.png\" alt=\"\" class=\"wp-image-1561\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-13.png 689w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-13-300x164.png 300w\" sizes=\"(max-width: 689px) 100vw, 689px\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u6642\u3001-6.6 V ~ +13 V \u307e\u3067\u306e\u30ec\u30f3\u30b8\u306b\u306a\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5404\u62b5\u6297\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u5bfe\u3059\u308b\u96fb\u5727\u30ec\u30f3\u30b8\u306f\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>\u6700\u5c0f\u30ec\u30f3\u30b8\n= - A2 * 3.3 \/ C2\n\u6700\u5927\u30ec\u30f3\u30b8\n= 3.3 * (1 + A2 * (1\/B2 + 1\/C2)) - A2 * 3.3 \/ C2<\/code><\/pre><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"595\" height=\"155\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-14.png\" alt=\"\" class=\"wp-image-1563\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-14.png 595w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-14-300x78.png 300w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/figure>\n\n\n\n<p>\u30c0\u30a4\u30aa\u30fc\u30c9\u306f\u96fb\u5727\u30ec\u30f3\u30b8\u7bc4\u56f2\u5916\u306e\u5165\u529b\u304b\u3089\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30d0\u30c3\u30d5\u30a1\u3057\u3066\u304b\u3089ADC\u5165\u529b\u3078\u3002<br>CH2\u306f\u5358\u306b 0~3.3 V \u3060\u3051\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u7bc4\u56f2\u306b\u3057\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\/09\/image-12.png\" alt=\"\" class=\"wp-image-1560\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-12.png 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-12-300x161.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-12-1024x550.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-12-768x413.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-12-1536x826.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p>\u62b5\u6297\u6bd4\u306f\u6c7a\u307e\u308a\u307e\u3057\u305f\u304c\u3001\u30b9\u30b1\u30fc\u30eb\u306f\u3069\u3046\u3057\u307e\u3057\u3087\u3046\uff1f\u59a5\u5f53\u305d\u3046\u306a\u306e\u306f\u3001(R1, R2, R3) = (2k, 680, 1k) or (20k, 6.8k, 10k) or (200k, 68k, 100k) \u3042\u305f\u308a\u3002<br>\u5927\u304d\u3059\u304e\u3066\u3082\u30ce\u30a4\u30ba\u306e\u539f\u56e0\u306b\u306a\u308b\u3057\u3001\u5c0f\u3055\u3059\u304e\u308b\u3068\u6e2c\u5b9a\u5bfe\u8c61\u304b\u3089\u96fb\u6d41\u3092\u5f15\u304d\u629c\u304d\u3059\u304e\u308b\u306e\u3067\u3001\u4eca\u56de\u306f (20k, 6.8k, 10k) \u3092\u9078\u5b9a\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001ADC\u5165\u529b\u76f4\u524d\u306e\u306eR=100 \u03a9, C=4.7 nF \u306f\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u3002ADC\u306e\u6e2c\u5b9a\u53ef\u80fd\u5468\u6ce2\u6570\u306e\u4e0a\u9650\u4ee5\u4e0a\u306e\u9ad8\u5468\u6ce2\u304c\u5165\u529b\u3055\u308c\u308b\u3068\u30ce\u30a4\u30ba\u306b\u306a\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u6e1b\u8870\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"788\" height=\"304\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-15.png\" alt=\"\" class=\"wp-image-1564\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-15.png 788w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-15-300x116.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-15-768x296.png 768w\" sizes=\"(max-width: 788px) 100vw, 788px\" \/><\/figure>\n\n\n\n<p>\u672c\u5f53\u306f3.9 nF\u306e\u307b\u3046\u304c\u826f\u3055\u305d\u3046\u3060\u3051\u3069\u30014.7 uF\u3057\u304b\u624b\u6301\u3061\u304c\u306a\u304b\u3063\u305f\u3002(\u30b8\u30e3\u30f3\u30af\u96fb\u6e90\u57fa\u677f\u304b\u3089\u5f15\u3063\u3053\u629c\u3044\u305f\u3084\u3064)<br>\u3053\u306e\u3068\u304d\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f339 kHz\u3002<\/p>\n\n\n\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u306fMCP6002\u3092\u9078\u5b9a\u3057\u305f\u3002GBW\u306f1 MHz\u3067\u3001\u30d0\u30c3\u30d5\u30a1\u3068\u3057\u3066\u4f7f\u3046\u3060\u3051\u306a\u306e\u3067\u304a\u305d\u3089\u304f\u5341\u5206\u3002<\/p>\n\n\n\n<h2 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><\/h2>\n\n\n\n<p>\u3042\u3093\u307e\u308aKiCad\u306e\u672c\u6765\u306e\u4f7f\u3044\u65b9\u3058\u3083\u306a\u3044\u6c17\u304c\u3059\u308b\u3051\u3069\u3001\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u57fa\u677f\u306e\u914d\u7dda\u3092\u4e8b\u524d\u306b\u6c7a\u3081\u3066\u304a\u304f\u3068\u30b3\u30c6\u3092\u63e1\u308a\u306a\u304c\u3089\u6df7\u4e71\u3059\u308b\u3053\u3068\u304c\u306a\u304f\u306a\u308b\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\/09\/image-16.png\" alt=\"\" class=\"wp-image-1565\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-16.png 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-16-300x161.png 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-16-1024x550.png 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-16-768x413.png 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-16-1536x826.png 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\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\/09\/image-17.jpg\" alt=\"\" class=\"wp-image-1566\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17-300x161.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17-1024x550.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17-768x413.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17-1536x826.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\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\/09\/234455-1024x768.jpg\" alt=\"\" class=\"wp-image-1567\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234455-1024x768.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234455-300x225.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234455-768x576.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234455.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Scoppy%E3%82%A2%E3%83%97%E3%83%AA\"><\/span>Scoppy\u30a2\u30d7\u30ea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A3%9C%E6%AD%A3\"><\/span>\u88dc\u6b63<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5de6\u4e0b\u306eCH1\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30ec\u30f3\u30b8\u306e\u8a2d\u5b9a\u3092\u958b\u304f (\u753b\u50cf\u306f\u88dc\u6b63\u5f8c)<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"461\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456-1024x461.jpg\" alt=\"\" class=\"wp-image-1572\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456-1536x691.jpg 1536w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234456.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u62b5\u6297\u6bd4\u306e\u8a08\u7b97\u3067\u6c42\u307e\u3063\u305f min: -6.6, max: 13 \u3092\u5165\u529b\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u5f8c\u3001CH1\u3092GND\u3068+3.3 V\u306b\u7e4b\u3044\u3067\u307f\u308b\u3002<\/p>\n\n\n\n<p>GND\u306b\u7e4b\u3050\u3068 +0.13 V<br>+3.3 V\u30ec\u30fc\u30eb(\u30c6\u30b9\u30bf\u30fc\u5b9f\u6e2c3.297 V) \u306b\u7e4b\u3050\u3068+3.46 V<\/p>\n\n\n\n<p>\u3068\u8868\u793a\u3055\u308c\u305f\u3002\u3053\u308c\u3092\u88dc\u6b63\u3059\u308b\u3068&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"673\" height=\"848\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17.png\" alt=\"\" class=\"wp-image-1573\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17.png 673w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/image-17-238x300.png 238w\" sizes=\"(max-width: 673px) 100vw, 673px\" \/><\/figure>\n\n\n\n<p>\u6700\u5f8c\u306e\u88dc\u6b63\u5f0f\u306eVmeas\u306b\u5143\u306e\u96fb\u5727\u30ec\u30f3\u30b8\u3092\u4ee3\u5165\u3059\u308c\u3070\u771f\u5024\u304c\u6c42\u307e\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u65b0\u3057\u3044\u96fb\u5727\u30ec\u30f3\u30b8\u3068\u3057\u3066\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%9F%A9%E5%BD%A2%E6%B3%A2%E3%82%92%E6%B8%AC%E3%82%8B\"><\/span>\u77e9\u5f62\u6ce2\u3092\u6e2c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u521d\u671f\u8a2d\u5b9a\u3067GPIO22\u304b\u3089\u77e9\u5f62\u6ce2\u3092\u51fa\u529b\u3067\u304d\u308b\u3002\u3053\u308c\u3092CH1\u306b\u5165\u529b\u3057\u3066\u89b3\u6e2c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"461\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476-1024x461.jpg\" alt=\"\" class=\"wp-image-1574\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476-1536x691.jpg 1536w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234476.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_kHz\"><\/span>1 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0.jpg\" alt=\"\" class=\"wp-image-1575\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p>2 us\u3050\u3089\u3044\uff1f\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\u304c\u3042\u308b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481.jpg\" alt=\"\" class=\"wp-image-1576\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234481-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_kHz\"><\/span>5 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1.jpg\" alt=\"\" class=\"wp-image-1577\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234470_0-1-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_kHz\"><\/span>10 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0.jpg\" alt=\"\" class=\"wp-image-1578\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234472_0-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"50_kHz\"><\/span>50 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u602a\u3057\u304f\u306a\u3063\u3066\u304d\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0.jpg\" alt=\"\" class=\"wp-image-1579\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234473_0-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"100_kHz\"><\/span>100 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0.jpg\" alt=\"\" class=\"wp-image-1580\" style=\"width:960px;height:auto\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234474_0-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"200_kHz\"><\/span>200 kHz<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u307b\u307c\u6b63\u5f26\u6ce2\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1920\" height=\"864\" src=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0.jpg\" alt=\"\" class=\"wp-image-1581\" srcset=\"https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0.jpg 1920w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0-300x135.jpg 300w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0-1024x461.jpg 1024w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0-768x346.jpg 768w, https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/234475_0-1536x691.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p>\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u3059\u308b\u3068\u3001\u77e9\u5f62\u6ce2\u306f\u57fa\u672c\u6ce2\u30013\u500d\u30015\u500d\u30017\u500d&#8230;\u306e\u9ad8\u8abf\u6ce2\u3067\u8868\u73fe\u3055\u308c\u307e\u3059\u3002<br>RC\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u304c339 kHz\u3060\u304b\u3089\u3001\u57fa\u672c\u6ce2\u306e200 kHz\u306e\u6b63\u5f26\u6ce2\u3057\u304b\u898b\u3048\u306a\u304f\u306a\u308b\u306e\u306f\u5fc5\u7136\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>R=47 \u03a9, C= 4.7 uF \u306e\u307b\u3046\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002(\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570 720 kHz)<br>\u3068\u3044\u3046\u304b\u3001\u30d0\u30c3\u30d5\u30a1\u306eMCP6002\u3067\u3082\u9ad8\u5468\u6ce2\u306f\u6e1b\u8870\u3055\u308c\u308b\u304b\u3089(GBW=1 MHz\u306a\u306e\u3067)\u3001\u308f\u3056\u308f\u3056RC\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u3092\u5165\u308c\u306a\u304f\u3066\u3082\u826f\u304b\u3063\u305f\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"KiCad%E3%83%87%E3%83%BC%E3%82%BF\"><\/span>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\/09\/scoppy.zip\">https:\/\/tatuiyo.xyz\/wp-content\/uploads\/2025\/09\/scoppy.zip<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Raspberry Pi Pico\u306eADC\u5165\u529b\u3092\u5229\u7528\u3057\u305f\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3002\u30e9\u30ba\u30d1\u30a4\u3068Android\u3068OTG\u30b1\u30fc\u30d6\u30eb\u3067\u63a5\u7d9a\u5f8c\u3001\u30b9\u30de\u30db\u30a2\u30d7\u30ea\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 https:\/\/oscilloscope.fhdm.xyz 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