{"type":"product","schema_version":"1.0","item_id":"101307951769","canonical_url":"https://tw.bid.yahoo.com/item/101307951769","title":"【飛兒】《伺服馬達數碼大扭力舵機 180度 20KG TD-8120MG》微型舵機 連續旋轉 伺服器 電機馬達 金屬舵機","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-27T18:21:36.154Z","current_price":249,"original_price":"362.00","stock_status":"in_stock","available_quantity":999,"sold_quantity":0,"seller":{"id":"Y2289783745","name":"飛兒小舖手機配件專賣店","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/8a4c9091-9134-44d3-9a7d-9a3031328283.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b820338a-da8d-4695-9115-be5a36bea57c.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/53f51f2d-8b43-4ba6-83b1-77e243b47a1d.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/5a42c809-9627-4750-8ac7-8778110eddcc.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/6d94d5a0-37fa-49af-8eb1-79a3c50634a9.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/72ca3d41-6798-4839-88c5-deebbbd3508a.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/93fd2e21-b5f3-415d-bccf-e37753b6820f.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/8cd639b4-1605-4306-9c6e-537883bb3fe0.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/f4f44464-01a0-41ee-bc3f-0a33cbabb72c.jpg","role":"detail","alt":"商品圖片 9","width":null,"height":null}],"description":"🔎商品特色🔎\n\n👍虛位小、高精度、全金屬\n\n👍應用範圍廣\n\n🔎商品說明🔎\n\n🔸品名：伺服馬達數碼大扭力舵機 TD-8120MG\n\n🔸工作電壓：4.8V~7.2V\n\n🔸堵轉電流：2100mA±10%2700mA±10%\n\n🔸驅動方式：PWM\n\n🔸脈寬範圍：500~2500usec\n\n🔸軸承類型：雙滾珠軸承\n\n🔸產品尺寸：40.0*20.5*40.5mm\n\n🔸產品重量：56g±5%\n\n🔎新手指南🔎\n\n1.舵機的角度是隨PWM控制信號變化而變化的。\n\n很多新朋友拿到舵機測試時，發現舵機的角度只有90度左右，\n\n因為他們的控制信號只有1MS的信號寬度即（對應的控制信號1-2MS)\n\n正常180度是對應2MS的信號寬度即（對應的控制信號0.5-2.5MS)。\n\n市面上的99%以上的搖控器都是1-2MS這個控制信號範圍，\n\n還有簡易的舵機測試也是1-2MS這個控制信號範圍。\n\n這個是我們用示波器實測得到的數據。\n\n2.關於舵機供電問題，很多新朋友收到舵機後，發現舵機不能正常工作，\n\n不受控制，抖舵，亂動亂轉等各種問題。\n\n而且他們的工作電壓也是正常的工作電壓。\n\n那麼是什麼問題呢？往往他們忽略一個重要的問題供電電流，\n\n我們在學物理的時候就知道：功率=電壓*電流。\n\n假設我們的舵機功率是10W，供電壓是5V，那麼我們電流是不是要2A才能達到10W的功率。\n\n當電壓或者電流其中的一項沒有滿足要求，舵機是不可能會正常工作的。\n\n舵機裡面的是由電機和其他的一些配件組成的，電機在通電的時候有\n\n個啟動電流，這個啟動電流一般是額定電流的4-7倍。\n\n（有興趣的朋友可以上網查詢這方面的資料電機啟動電流)\n\n3.結論：舵機正常工作必滿足3個要求。\n\n(1)供電電壓正常。\n\n(2)供電電流要足夠。\n\n(3)控制信號要正常。","shipping_methods":[{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","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","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"24678","category_name":"其他","breadcrumb":[{"id":"24198","name":"居家、家具與園藝","url":"/tw/%E5%B1%85%E5%AE%B6%E3%80%81%E5%AE%B6%E5%85%B7%E8%88%87%E5%9C%92%E8%97%9D-24198-category.html"},{"id":"24678","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-24678-category.html"}],"view_count":0,"watch_count":1}