{"type":"product","schema_version":"1.0","item_id":"100784198684","canonical_url":"https://tw.bid.yahoo.com/item/100784198684","title":"霍爾感測器 電機測速模組 3144E單開電路 測速感測器 計數感測器 W1035","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-30T11:17:08.046Z","current_price":14,"original_price":null,"stock_status":"in_stock","available_quantity":20,"sold_quantity":0,"seller":{"id":"Y1521320670","name":"。ICgo。電子配件之家","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/afc54f22-8086-4b72-bb13-99c0800c3add.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/0962dd94-1e5a-40b8-a837-1fab17fefea9.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b04895e6-7dfd-405c-b7e5-f7acf147b936.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"(每樣商品下單金額需滿10元訂單才成立，未滿10元訂單將被取消) 霍爾感測器模組\n   \n   \n   測速感測器模組 計數感測器模組 用於磁場檢測\n\n  產品參數:c\n\n  產品名稱：霍爾感測器模組         \n\n  產品尺寸：31.5mm * 14.0mm* 9.0mm (長x寬x高)  \n\n  顏    色： 藍  色     \n\n  產品重量：3g(含包裝) \n\n  包    裝：單個模組靜電袋包裝 \n\n  亮點展示:\n\n   \n\n  產品特點：\n\n  1.工作電壓:3.3--5V\n 2.使用3144E開關型霍爾感測器。\n 3.當感測器感應到磁場時，數位輸出低電平，信號燈亮；如果沒有感應到磁場，則數位輸出高電平，信號燈不亮。\n\n  4.具有電源指示燈和信號指示燈。\n 5.數位開關量輸出（0和1）AO口無效\n 6.採用LM393比較器輸出，型號乾淨，波形好，驅動能力強，超過15mA。\n 7.設有固定螺栓孔，方便安裝固定。\n\n  8.可用於電機測速、位置檢測等。\n\n  感測器功能介紹：\n\n  3144霍爾開關積體電路應用霍爾效應原理，採用半導體集成技術製造的磁敏電路，它是由電壓調整器、霍爾電壓發生器、差分放大器、史密特觸發器，溫度補償電路和集電極開路的輸出級組成的磁敏傳感電路，其輸入為磁感應強度，輸出是一個數位電壓信號。\n\n  該傳感器具有以下特點：體積小，靈敏度高，回應速度快，溫度性能好，精確度高，可靠性高等。\n\n  接線說明:\n  1、VCC→電源正極\n  2、GND→電源負極\n  3、DO →TTL數位量輸出\n  4、AO →類比量輸出（不同距離輸出不同電壓）","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","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":"2092104064","category_name":"電子零件/材料","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092104064","name":"電子零件/材料","url":"/tw/%E9%9B%BB%E5%AD%90%E9%9B%B6%E4%BB%B6-%E6%9D%90%E6%96%99-2092104064-category.html"}],"view_count":0,"watch_count":0}