{"type":"product","schema_version":"1.0","item_id":"100043804672","canonical_url":"https://tw.bid.yahoo.com/item/100043804672","title":"【夜市王】紅綠燈 智力拼裝DIY紅綠燈39元","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-03T10:31:44.152Z","current_price":39,"original_price":null,"stock_status":"in_stock","available_quantity":825,"sold_quantity":172,"seller":{"id":"Y4703356977","name":"夜市王","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/045234fb-5977-4803-91b3-8ee14b1e2d63.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/633fc608-b524-4cd3-b4f0-4372c2ba3307.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d6af8d0c-4081-4986-aefd-790d3d4edd19.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"小製作之:自製紅綠燈\n\n寶貝材料：木頭+電池盒+電子元件+紅黃綠LED燈\n\n小套件升極了！現改為鑲嵌式，把相應的圓木棒插入相對應的孔中即可。不需要木工膠和其他的工具。組裝起來更方便。\n\n組裝提示:\n\n二極體上的藍線為LED燈的正極，紅線為負極。紅和黃二極體的電壓實際只需要1.8-2.2V所以串聯一個電阻.電阻限壓所以時間一長二極體才不會被燒掉.\n\n     學習知識：1、瞭解一些基本的交通安全知識，知道紅燈停、綠燈行的道理。\n\n2、知道過馬路時要注意自己的安全。\n\n \n\n實驗重點：理解紅綠燈是並聯電路的應用    紅燈停，綠燈行，斑馬線上才安全。是不是每當聽到這首兒歌，就會想到馬路上的紅綠燈呢？但是你知道紅綠燈為什麼一會紅一會綠嗎？學完本節實驗你或許就會明白其中的奧秘了。\n\n實驗目的：認識電子元件並瞭解其應用接觸簡單的電路\n\n    ！","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"26018","category_name":"其他益智遊戲/玩具","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"2092074497","name":"益智遊戲/玩具","url":"/tw/%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-2092074497-category.html"},{"id":"26018","name":"其他益智遊戲/玩具","url":"/tw/%E5%85%B6%E4%BB%96%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-26018-category.html"}],"view_count":0,"watch_count":29}