{"image_url":null,"provider_url":"https://hatena.blog","url":"https://yshigu.net/entry/2026/02/18/234328","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyshigu.net%2Fentry%2F2026%2F02%2F18%2F234328\" title=\"\u30d3\u30c3\u30c8\u30d0\u30f3\u30ae\u30f3\u30b0\u306b\u3088\u308bSPI\u901a\u4fe1\u306e\u5b9f\u88c5\uff08XIAO Seeed RP2040\uff09 - yshigu\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u30d3\u30c3\u30c8\u30d0\u30f3\u30ae\u30f3\u30b0\u306b\u3088\u308bSPI\u901a\u4fe1\u306e\u5b9f\u88c5\uff08XIAO Seeed RP2040\uff09","blog_url":"https://yshigu.net/","categories":[],"published":"2026-02-18 23:43:28","width":"100%","author_url":"https://blog.hatena.ne.jp/yshigu/","version":"1.0","blog_title":"yshigu\u2019s diary","description":"\u80cc\u666f \u30d3\u30c3\u30c8\u30d0\u30f3\u30ae\u30f3\u30b0\u624b\u6cd5\u3092\u7528\u3044\u3066\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304b\u3089\u76f4\u63a5GPIO\u3092\u64cd\u4f5c\u3057\u3001SPI\u901a\u4fe1\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u307e\u3059\u3002 \uff08Emulate SPI communication by directly manipulating GPIO in software using bit-banging techniques.\uff09 2\u670817\u65e5\u306b\u3001e-Paper\u3092\u30de\u30a4\u30b3\u30f3\uff08XIAO Seeed RP2040\uff09\u3067\u52d5\u4f5c\u3055\u305b\u307e\u3057\u305f\u3002 \u305d\u306e\u969b\u3001SPI\u901a\u4fe1\u306b\u306f\u5c02\u7528\u30d4\u30f3\uff08MOSI\u30d4\u30f3\u3068SCK\u30d4\u30f3\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002 \u4eca\u56de\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u4efb\u610f\u306e\u30c7\u30b8\u30bf\u30eb\u30d4\u30f3\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u30d3\u30c3\u30c8\u30d0\u30f3\u30ae\u30f3\u30b0\u624b\u6cd5\u3092\u7528\u3044\u3066\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u2026","author_name":"yshigu","height":"190","provider_name":"Hatena Blog","type":"rich"}