{"id":7349,"date":"2024-07-07T14:06:53","date_gmt":"2024-07-07T05:06:53","guid":{"rendered":"https:\/\/akibabara.com\/blog\/?p=7349"},"modified":"2024-07-07T14:06:54","modified_gmt":"2024-07-07T05:06:54","slug":"m5stack%e3%81%aeuart%e3%83%87%e3%83%90%e3%82%a4%e3%82%b9%e3%82%92i2c%e3%81%8b%e3%82%89%e4%bd%bf%e3%81%86-%ef%bd%9eunit-synth%e7%b7%a8%ef%bd%9e","status":"publish","type":"post","link":"https:\/\/akibabara.com\/blog\/7349.html","title":{"rendered":"M5Stack\u306eUART\u30c7\u30d0\u30a4\u30b9\u3092I2C\u304b\u3089\u4f7f\u3046 \uff5eUnit-Synth\u7de8\uff5e"},"content":{"rendered":"\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e00d2b73323&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e00d2b73323\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198-1024x768.webp\" alt=\"\" class=\"wp-image-7345\" style=\"aspect-ratio:16\/9;object-fit:cover\" srcset=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198-1024x768.webp 1024w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198-300x225.webp 300w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198-768x576.webp 768w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198-1536x1152.webp 1536w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8198.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M5Stack\u306eGrove\u7aef\u5b50\u306b\u63a5\u7d9a\u3059\u308b\u30e6\u30cb\u30c3\u30c8\u306b\u306f\u3001I2C\u3067\u63a5\u7d9a\u3059\u308b\u3082\u306e\u3001UART\u3067\u63a5\u7d9a\u3059\u308b\u3082\u306e\u3001\u30a2\u30ca\u30ed\u30b0\u5165\u51fa\u529b\u3067\u884c\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306f\u8907\u6570\u306e\u30e6\u30cb\u30c3\u30c8\u30921\u3064\u306eGrove\u7aef\u5b50\u306b\u63a5\u7d9a\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001<a href=\"https:\/\/www.switch-science.com\/products\/9510\" target=\"_blank\" rel=\"noreferrer noopener\">Unit-Synth<\/a>\u306eI\/F\u306fUART\u306a\u306e\u3067\u3001\u4ed6\u306eI2C\u306e\u3082\u306e\u3068\u4e00\u7dd2\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u3053\u3067I2C\u304b\u3089UART\u3092\u5236\u5fa1\u3067\u304d\u308b\u5909\u63db\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306a\u3089M5Stack\u304b\u3089\u306f\u5168\u3066I2C\u306b\u7d71\u4e00\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">I2C-UART\u5909\u63db SC16IS740<\/h2>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e00d2b739f7&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e00d2b739f7\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"612\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199-1024x612.webp\" alt=\"\" class=\"wp-image-7357\" style=\"width:360px\" srcset=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199-1024x612.webp 1024w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199-300x179.webp 300w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199-768x459.webp 768w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199-1536x918.webp 1536w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMG_8199.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I2C\u3068UART\u306e\u5909\u63db\u306b\u306f SC16IS740 \u3068\u3044\u3046IC\u304c\u4e57\u3063\u3066\u3044\u308b <a href=\"https:\/\/www.switch-science.com\/products\/6027\" target=\"_blank\" rel=\"noreferrer noopener\">I2C-Uart\u5909\u63db\u57fa\u677f<\/a> \u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u3053\u306eIC\u306f\u6587\u5b57\u901a\u308aI2C\u304b\u3089UART\u306b\u3001UART\u304b\u3089I2C\u306b\u30c7\u30fc\u30bf\u3092\u9001\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M5Stack\u7528MIDI\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30e6\u30cb\u30c3\u30c8 Unit-Synth<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"782\" height=\"779\" src=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779.webp\" alt=\"\" class=\"wp-image-7350\" style=\"width:200px\" srcset=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779.webp 782w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779-300x300.webp 300w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779-150x150.webp 150w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779-768x765.webp 768w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/84f87aaa-aaf8-4dbc-90d7-44819e9ea8ef_93c66329-76ff-43aa-87af-73f7c7e1b983_782x779-180x180.webp 180w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.switch-science.com\/products\/9510\" target=\"_blank\" rel=\"noreferrer noopener\">Unit-Synth<\/a>\u306fSAM2695\u3068\u3044\u3046\u97f3\u6e90\u30c1\u30c3\u30d7\u304c\u4e57\u3063\u305fM5Stack\u7528MIDI\u30b7\u30f3\u30bb\u30b5\u30a4\u30b6\u30e6\u30cb\u30c3\u30c8\u3067\u3059\u3002\u5927\u304d\u3055\u306e\u308f\u308a\u306b\u3057\u3063\u304b\u308a\u3057\u305f\u97f3\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Unit-Synth\u304b\u3089\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306f <a href=\"https:\/\/github.com\/kaz-mac\/misc\/tree\/master\/synth_chime_i2c\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub <\/a>\u306b\u30a2\u30c3\u30d7\u3057\u307e\u3057\u305f\u3002<br>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306fI2C-UART\u5909\u63db\u57fa\u677f\u7d4c\u7531\u3067\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001Unit-Synth\u95a2\u4fc2\u306e\u51e6\u7406\u306f<a href=\"https:\/\/github.com\/m5stack\/M5Unit-Synth\" target=\"_blank\" rel=\"noreferrer noopener\">M5Unit-Synth\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001I2C\u304bUART\u304b\u3092\u610f\u8b58\u3057\u306a\u304f\u3066\u3082\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u90e8\u3092\u5909\u3048\u308b\u3060\u3051\u3067UART\u63a5\u7d9a\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6e96\u5099\uff1a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4fee\u6b63<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Arduino IDE\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308bSC16IS7X0\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u3068\u5909\u6570\u540d\u304c\u7af6\u5408\u3057\u3066\u3057\u307e\u3063\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u7ba1\u7406\u304c\u8907\u96d1\u306b\u306a\u308b\u306e\u3067\u672c\u5f53\u306f\u3084\u308a\u305f\u304f\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001<a href=\"https:\/\/github.com\/alexmaurer-madis\/SC16IS7X0\" target=\"_blank\" rel=\"noreferrer noopener\">SC16IS7X0\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\u306eSerialConfig\u3068\u3044\u3046\u5909\u6570\u540d\u3092\u5225\u306e\u540d\u524d\u3067\u7f6e\u304d\u63db\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#define SC16IS750_ADDR 0x9A           \/\/ I2C to UART\u5909\u63db\u57fa\u677f\u306eI2C\u30a2\u30c9\u30ec\u30b9\n#define SC16IS750_XTAL_FREQ 7372800UL \/\/ I2C to UART\u57fa\u677f\u306e\u30af\u30ea\u30b9\u30bf\u30eb\u306e\u5468\u6ce2\u6570 (https:\/\/www.switch-science.com\/products\/6027)\n#define UNIT_SYNTH_BAUD_I2C 30720     \/\/ Unit-Syhth\u306e\u30dc\u30fc\u30ec\u30fc\u30c8\u306f\u672c\u6765\u306f31250\u3060\u304c\u51fa\u305b\u306a\u3044\u306e\u306730720\u306b\u3057\u3066\u3044\u308b\n\n#include &lt;SC16IS7X0.h&gt;  \/\/ \u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306fSerialConfig\u3092SCSerialConfig\u306b\u76f4\u63a5\u66f8\u304d\u63db\u3048\u3066\u3044\u308b\uff08ESP32\u3068\u7af6\u5408\u3059\u308b\u305f\u3081\uff09\nSC16IS7X0 sc16is750(SC16IS750_XTAL_FREQ);\n\n#include &quot;SC16IS7X0Serial.h&quot;  \/\/ SC16IS7X0\u306e\u30e9\u30c3\u30d1\u30fc\u30af\u30e9\u30b9\nSC16IS7X0Serial i2cuart(sc16is750);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">I2C-UART\u5909\u63db\u57fa\u677f\u306b\u306f7.3728MHz\u306e\u30af\u30ea\u30b9\u30bf\u30eb\u304c\u4e57\u3063\u3066\u3044\u308b\u306e\u3067\u3001SC16IS750_XTAL_FREQ\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002Unit-Synth\u304c\u53d7\u3051\u4ed8\u3051\u308b\u30dc\u30fc\u30ec\u30fc\u30c8\u306f\u672c\u676531250\u30dc\u30fc\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u30af\u30ea\u30b9\u30bf\u30eb\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306f31250\u30dc\u30fc\u3092\u51fa\u529b\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u305b\u3093\u300231250\u3092\u4e0e\u3048\u3066\u3082\u8fd1\u4f3c\u5024\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u4eca\u56de\u306fUnit-Synth\u304c\u8a8d\u8b58\u3067\u304d\u305f30720\u30dc\u30fc\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sc16is750\u304cI2C-UART\u5909\u63db\u57fa\u677f\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001i2cuart\u304c\u30b7\u30ea\u30a2\u30eb\u3068\u3057\u3066\u6271\u3048\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002M5Unit-Synth\u30e9\u30a4\u30d6\u30e9\u30ea\u304b\u3089\u306fi2cuart\u306b\u5bfe\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u3067I2C-UART\u5909\u63db\u57fa\u677f\u306e\u521d\u671f\u5316\u3068\u30dc\u30fc\u30ec\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>if (sc16is750.begin_I2C(SC16IS750_ADDR &gt;&gt; 1)) {\n}\nsc16is750.begin_UART(UNIT_SYNTH_BAUD_I2C);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306fUnit-Synth\u306e\u521d\u671f\u5316\u3092\u3057\u3066\u3044\u307e\u3059\u3002begin()\u306e\u7b2c\u4e00\u5f15\u6570\u306f\u3001UART\u63a5\u7d9a\u306e\u5834\u5408\u306f&amp;Serial2\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306fI2C-UART\u5909\u63db\u3092\u3059\u308b\u306e\u3067&amp;i2cuart\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304c\u7570\u306a\u308b\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;M5UnitSynth.h&gt;\nM5UnitSynth synth;\nsynth.begin(&i2cuart, UNIT_SYNTH_BAUD, 13, 14);<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u9006\u306b\u3053\u308c\u4ee5\u5916\u306f\u540c\u3058\u306a\u306e\u3067\u3001\u4ed6\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u304b\u3082\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u97f3\u8272\u306e\u8a2d\u5b9a\u306a\u3069\u306e\u8aac\u660e\u306f\u5272\u611b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u97f3\u697d\u306e\u518d\u751f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f2\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u72ec\u81ea\u306e\u3082\u306e\u3067\u3059\u304c\u3001\u30bd\u30fc\u30b9\u3092\u898b\u308c\u3070\u69cb\u9020\u306f\u3060\u3044\u305f\u3044\u308f\u304b\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u30021\u3064\u76ee\u306e\u548c\u97f3\u306e\u97f3\u968e\u3068\u9577\u3055\u30012\u3064\u76ee\u2026\u30013\u3064\u76ee\u2026\u3001\u30671\u30bb\u30c3\u30c8\u3067\u3001\u4e00\u5fdc3\u548c\u97f3\u307e\u3067\u518d\u751f\u3067\u304d\u307e\u3059\u3002\u672c\u5f53\u306f\u8907\u96d1\u306a\u66f2\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u9762\u5012\u3060\u3063\u305f\u306e\u3067\u7c21\u5358\u306a\u3082\u306e\u3057\u304b\u518d\u751f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>uint16_t tempo = 160;\nconst uint8_t melody[][6] PROGMEM = {\n  { NOTE_FS5,8, 0,0,        0,0 },\n     :\n};\n\nSynthUtil music(&synth);\nsize_t len = sizeof(melody) \/ sizeof(melody[0]);\nmusic.setMusic(melody, len, tempo);  \/\/ \u697d\u8b5c\u30c7\u30fc\u30bf\u3092\u30bb\u30c3\u30c8\u3059\u308b\nmusic.playBackground(); \/\/ \u518d\u751f\u958b\u59cb \nwhile (music.isPlaying()) {  \/\/ \u518d\u751f\u4e2d\u306a\u3089\u5f85\u6a5f\u3059\u308b\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">playBackground()\u3067\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u518d\u751f\u3067\u304d\u308b\u306e\u3067\u3001\u518d\u751f\u4e2d\u306b\u5225\u306e\u51e6\u7406\u3082\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002\u4e00\u65b9\u3001play()\u306f\u518d\u751f\u304c\u7d42\u308f\u308b\u307e\u3067\u5f85\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u306fM5GFX\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u751f\u3057\u306a\u304c\u3089Unit-Synth\u3067\u30b5\u30a6\u30f3\u30c9\u3092\u518d\u751f\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001UART\u63a5\u7d9a\u306e\u5834\u5408\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u518d\u751f\u306b\u3059\u308b\u3068\u753b\u9762\u304c\u4e71\u308c\u305f\u308a\u3001\u30ea\u30bb\u30c3\u30c8\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u306a\u306e\u3067\u3069\u3061\u3089\u3067\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u5f62\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u52d5\u304b\u3057\u3066\u307f\u305f<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"ja\" dir=\"ltr\">\u3053\u308c\u3067I2C\u306b\u4e00\u672c\u5316\u3067\u304d\u308b\uff01 <a href=\"https:\/\/twitter.com\/hashtag\/M5Stack?src=hash&amp;ref_src=twsrc%5Etfw\">#M5Stack<\/a> <a href=\"https:\/\/t.co\/cqe4CKfeyX\">pic.twitter.com\/cqe4CKfeyX<\/a><\/p>&mdash; Kaz (@Kaz_Macintosh) <a href=\"https:\/\/twitter.com\/Kaz_Macintosh\/status\/1803730190708900073?ref_src=twsrc%5Etfw\">June 20, 2024<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u3060\u3051\u3067\u3059\ud83d\ude05<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">AliExpress\u3067\u58f2\u3063\u3066\u3044\u305f\u5b89\u3044\u5909\u63db\u57fa\u677f\u3067\u8a66\u3057\u3066\u307f\u308b<\/h2>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e00d2b75993&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e00d2b75993\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h-1024x768.webp\" alt=\"\" class=\"wp-image-7356\" style=\"width:480px\" srcset=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h-1024x768.webp 1024w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h-300x225.webp 300w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h-768x576.webp 768w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h-1536x1152.webp 1536w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_GRxGrlwagAEKq5h.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u30b5\u30a4\u30a8\u30f3\u30b9\u3055\u3093\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u308bI2C-UART\u5909\u63db\u57fa\u677f\u306f\u9ad8\u3044\u306e\u3067\u3001AliExpress\u3067\u3082\u3063\u3068\u5b89\u3044\u306e\u304c\u306a\u3044\u304b\u63a2\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001SC16IS750\u304c\u4e57\u3063\u305f\u5909\u63db\u57fa\u677f\u304c4\u30c9\u30eb\u524d\u5f8c\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3055\u3063\u305d\u304f\u8cfc\u5165\u3057\u3066\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u6614\u306eAliExpress\u3063\u3066\u6ce8\u6587\u3057\u3066\u304b\u3089\u5c4a\u304f\u307e\u30672\u304b\u6708\u304f\u3089\u3044\u666e\u901a\u306b\u304b\u304b\u3063\u3066\u3044\u305f\u306e\u306b\u3001\u4eca\u306f1\uff5e2\u9031\u9593\u304f\u3089\u3044\u3067\u6765\u308b\u3093\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5909\u63db\u57fa\u677f\u306f\u30af\u30ea\u30b9\u30bf\u30eb\u304c14.7456MHz\u306a\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#define SC16IS750_XTAL_FREQ 14745600UL<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u306a\u305c\u304bUnit-Synth\u304b\u3089\u97f3\u306f\u9cf4\u3089\u305a\u2026\u3002Teraterm\u306b\u7e4b\u3052\u3066\u30d0\u30a4\u30ca\u30ea\u30e2\u30fc\u30c9\u306b\u3057\u3066\u6bd4\u8f03\u3057\u305f\u3068\u3053\u308d\u3001\u3061\u3083\u3093\u3068\u5024\u306f\u53d6\u308c\u3066\u308b\u306e\u306b\u8a8d\u8b58\u3057\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u30aa\u30b7\u30ed\u3067\u898b\u308b\u3068\u5fae\u5999\u306b\u6ce2\u5f62\u306e\u5e45\u306b\u9055\u3044\u304c\u3042\u308a\u3001\u30dc\u30fc\u30ec\u30fc\u30c8\u3092\u8abf\u6574\u3057\u307e\u3057\u305f\u304c\u3060\u3081\u3067\u3057\u305f\u3002\u3058\u3083\u3042\u3044\u3063\u305d\u306e\u3053\u3068\u30af\u30ea\u30b9\u30bf\u30eb\u3092\u4ea4\u63db\u3057\u3066\u3001\u3074\u3063\u305f\u308a31250\u30dc\u30fc\u3092\u51fa\u305b\u3070\u3044\u3044\u3058\u3083\u306a\u3044\u304b\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">12MHz\u306e\u30af\u30ea\u30b9\u30bf\u30eb\u306b\u4ea4\u63db\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u8a08\u7b97\u4e0a31250\u30dc\u30fc\u304c\u51fa\u305b\u308b\u306f\u305a\u3067\u3059\u3002M5Stack\u304b\u3089\u51fa\u529b\u3057\u305f\u6ce2\u5f62\u3068\u6bd4\u3079\u3066\u540c\u3058\u30b9\u30d4\u30fc\u30c9\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e00d2b76091&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e00d2b76091\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007-1024x614.webp\" alt=\"\" class=\"wp-image-7348\" style=\"width:480px\" srcset=\"https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007-1024x614.webp 1024w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007-300x180.webp 300w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007-768x461.webp 768w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007-1536x922.webp 1536w, https:\/\/akibabara.com\/blog\/wp-content\/uploads\/2024\/07\/xn_IMAGE007.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u304c\u3001\u3057\u304b\u3057\u3001Unit-Synth\u306f\u9cf4\u308a\u307e\u305b\u3093\u3002Teraterm\u3067\u898b\u3066\u307f\u308b\u3068\u30c7\u30fc\u30bf\u306e\u4e00\u90e8\u304c\u6b63\u5e38\u306b\u51fa\u529b\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u304a\u304b\u3057\u306a\u5024\u306b\u5316\u3051\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u30ea\u30d5\u30ed\u30fc\u3067\u71b1\u3092\u52a0\u3048\u3059\u304e\u3066\u58ca\u3057\u3066\u3057\u307e\u3063\u305f\u306e\u3060\u308d\u3046\u304b\u2026\u3001\u305d\u308c\u306a\u3089\u305d\u3082\u305d\u3082\u4e2d\u9014\u534a\u7aef\u306b\u52d5\u304b\u306a\u3044\u3060\u308d\u3046\u3057\u3001\u4ed6\u306b\u3082\u5909\u3048\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3053\u308d\u304c\u3042\u3063\u305f\u306e\u304b\u2026\u3001\u3046\u30fc\u3093\u308f\u304b\u3089\u3093\uff01\u307e\u3044\u3063\u304b\u3002<\/p>\n\n\n\n<p 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