{"version":"1.0","description":"Arduino UNO R4\u76f8\u4e92\u306e\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u3067\u3059\u3002 \u30dd\u30a4\u30f3\u30c8\u306fUSB(\u3053\u3053\u306e\u5834\u5408\u306fPC\u63a5\u7d9a)\u306f\u300cSerial\u300d\u3001D0\u3001D1\u3092\u7528\u3044\u305f\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306f\u300cSerial1\u300d\u3068\u3044\u3046\u3068\u3053\u308d\u3067\u3059\u3002 \u306a\u304a\u3001Arduino UNO R3\u306e\u5834\u5408\u306fUSB\u3082D0\u3001D1\u3082\u300cSerial\u300d\u3067\u3059\u3002 \u63a5\u7d9a \u9001\u4fe1\u5074 ----- \u53d7\u4fe1\u5074 D0 ----- D1 D1 ----- D0 \u9001\u4fe1\u5074 void setup() { Serial.begin(115200); // PC\u30e2\u30cb\u30bf\u30fc\u7528 Serial1.begin(115200); // R4\u540c\u58eb\u306e\u901a\u4fe1\u7528 } void loop() { Serial1.print(\"Hello \u2026","provider_url":"https://hatena.blog","title":"Arduino UNO R4 \u30b7\u30ea\u30a2\u30eb\u901a\u4fe1","url":"https://rott1st.hatenablog.com/entry/2026/06/11/093318","height":"190","author_name":"rott1st","author_url":"https://blog.hatena.ne.jp/rott1st/","provider_name":"Hatena Blog","blog_title":"mahler.jp Programming Tips Blog","blog_url":"https://rott1st.hatenablog.com/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frott1st.hatenablog.com%2Fentry%2F2026%2F06%2F11%2F093318\" title=\"Arduino UNO R4 \u30b7\u30ea\u30a2\u30eb\u901a\u4fe1 - mahler.jp Programming Tips Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn.image.st-hatena.com/image/square/adad63b72f1d6545b2ba2538c3fc2923b2fd5989/backend=imagemagick;height=80;version=1;width=80/https%3A%2F%2Fcdn.blog.st-hatena.com%2Fimages%2Fcircle%2Fofficial-circle-icon%2Fcomputers.gif","categories":["Arduino"],"published":"2026-06-11 09:33:18","width":"100%"}