{"type":"product","schema_version":"1.0","item_id":"100064291709","canonical_url":"https://tw.bid.yahoo.com/item/100064291709","title":"新款有源蜂鳴器模組Arduino電子積木套件 低電平觸發控制板 （261659 -035）","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-01T11:33:20.098Z","current_price":26,"original_price":null,"stock_status":"in_stock","available_quantity":89,"sold_quantity":11,"seller":{"id":"Y2831399681","name":"。BUY360。電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/01910af0-7e7b-4b0c-a125-71fea71e4736.jpg","role":"main","alt":"商品主圖","width":null,"height":null}],"description":"現在有很多人對有源蜂鳴器和無源蜂鳴器的概念不是很清楚，這裏做簡單介紹，希望對大家日後使用有所幫助。\n\n \n\n注意，這裏的“源”不是指電源。而是指震盪源。\n\n無源蜂鳴器的特點是：\n1 無源內部不帶震盪源，所以如果用直流信號無法令其鳴叫。必須用2K~5K的方波去驅動它\n2 聲音頻率可控，可以做出“多來米發索拉西”的效果。\n3 在一些特例中，可以和LED複用一個控制口\n\n有源蜂鳴器的特點是：\n1 有源蜂鳴器內部帶震盪源，所以只要一通電就會叫\n2 程式控制方便，單片機一個高低電平就可以讓其發出聲音，而無源蜂鳴器卻做不到。\n每套重量約為6g\n\n一 模組描述\n1 模組採用S8550三極管驅動\n\n2 工作電壓3.3V-5V\n\n3 低電平觸發\n4 設有固定螺栓孔，方便安裝\n5 小板PCB尺寸：3.1cm * 1.3cm\n\n二 模組介面說明（3線制）\n1 VCC  外接3.3V-5V電壓（可以直接與5v單片機和3.3v單片機相連）\n2 GND  外接GND\n3 I/O   外接單片機IO口","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":"2092074846","category_name":"電池/變壓器","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":"2092072522","name":"電腦/筆電周邊","url":"/tw/%E9%9B%BB%E8%85%A6-%E7%AD%86%E9%9B%BB%E5%91%A8%E9%82%8A-2092072522-category.html"},{"id":"2092074846","name":"電池/變壓器","url":"/tw/%E9%9B%BB%E6%B1%A0-%E8%AE%8A%E5%A3%93%E5%99%A8-2092074846-category.html"}],"view_count":0,"watch_count":1}