{"id": 31740, "title": "Nucleo64用 Wi-Fi + microSD + 電源拡張ボード「NC64-BaseShield」(完成品)--販売終了", "brand": "スイッチサイエンス", "mpn": "4582555875822", "sku": "3252", "category": null, "price": 3850.0, "currency": "JPY", "price_usd": 24.7283, "availability": "out_of_stock", "seller": {"id": "swi", "name": "Switch Science", "domain": "www.switch-science.com", "country": "JP"}, "seller_url": "https://www.switch-science.com/products/3252", "page": "https://roboticmarket.aigap.com/p/31740.html", "first_seen": "2026-08-05 06:53:40.868952+00:00", "last_seen": "2026-08-05 06:53:40.868952+00:00", "image": "https://roboticmarket.aigap.com/media/img/swi/92/92b0c510c0d583da3e4c794f091c5851.jpg", "price_history": [{"at": "2026-08-05 06:53:40.868952+00:00", "price": 3850.0, "currency": "JPY", "availability": "out_of_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."}