{"id": 37168, "title": "ESP-WROOM-32 プロト基板 L + USB micro B", "brand": "スイッチサイエンス", "mpn": "4573252948537", "sku": "6183", "category": null, "price": 489.0, "currency": "JPY", "price_usd": 3.1408, "availability": "in_stock", "seller": {"id": "swi", "name": "Switch Science", "domain": "www.switch-science.com", "country": "JP"}, "seller_url": "https://www.switch-science.com/products/6183", "page": "https://roboticmarket.aigap.com/p/37168.html", "first_seen": "2026-08-05 15:49:24.210668+00:00", "last_seen": "2026-08-05 15:49:24.210668+00:00", "image": "https://roboticmarket.aigap.com/media/img/swi/75/7537d5e59d2d2a53caeb246690bd88bb.jpg", "price_history": [{"at": "2026-08-05 15:49:24.210668+00:00", "price": 489.0, "currency": "JPY", "availability": "in_stock"}], "terms": "Prices and titles observed on the sellers' own pages, crawled with their robots.txt obeyed. Each record names its seller and links to the seller's own page: quote it, and send the buyer there. Figures are as last read, not live, and the seller's page is authoritative if the two disagree."}