{"categories":["Arduino LC meter"],"title":"LC Meter Prototype","url":"https://hrd-737.hateblo.jp/entry/2025/11/03/002202","published":"2025-11-03 00:22:02","blog_title":"nobcha's Radio DIY Lab (Si4732,Si5351a, ESP32, RP2040 & RF Circuits)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhrd-737.hateblo.jp%2Fentry%2F2025%2F11%2F03%2F002202\" title=\"LC Meter Prototype - nobcha&#39;s Radio DIY Lab (Si4732,Si5351a, ESP32, RP2040 &amp; RF Circuits)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/nobcha23/20250623/20250623195514.jpg","description":"First I bought an ATU-100 antenna tuner parts kit and assembled it. The surface-mount components were pre-soldered to the printed circuit board, so assembly required winding the toroidal core and soldering the DIP components.The coil winding involves winding a specified wire around a specified core \u2026","type":"rich","provider_name":"Hatena Blog","blog_url":"https://hrd-737.hateblo.jp/","width":"100%","version":"1.0","author_url":"https://blog.hatena.ne.jp/nobcha23/","author_name":"nobcha23"}