{"type":"product","schema_version":"1.0","item_id":"100350004686","canonical_url":"https://tw.bid.yahoo.com/item/100350004686","title":"聲控LED流水燈套件 CD4017彩燈控制趣味電子製作散件 (元器件+PCB板) w87 [77955]","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-30T12:31:17.852Z","current_price":47,"original_price":null,"stock_status":"out_of_stock","available_quantity":1,"sold_quantity":2,"seller":{"id":"Y3802229009","name":"BUY360-IC 電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/aa1c3f80-06b9-48cf-a9ee-e0173271fed3.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/957201f4-5fa3-45fe-9088-c83eaa691142.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/5b36e844-76ce-4072-8750-0817eeb21d67.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"buy360-ic\r\n\r\n\t名稱：聲控LED流水燈套件\n\n\r\n\r\n\t電路板厚1.5mm，焊盤超大，導線較粗，元件佈局美觀。電路採用聲音控制11個LED流水發光，是裝配實作、技能訓練、裝配競賽等的首選材料。\n\n\r\n\r\n\t本套件可以非常直觀地展示CD4017的功能，是學習計數器、分頻器、彩燈控制器的首選套件。同時該套件具有很好的效果，極具趣味性和實用性，也是初學者入門的優選材料。\n\n\r\n\r\n\t電路板為玻纖噴錫板\n\n\r\n\r\n\t電路功能：10個LED隨聲音大小和高低輪流流水迴圈發光，聲音越大流水速度越快，每迴圈1次L11閃亮1次，能將4017的功能完全直觀地展示出來。\n\r\n\t工作電壓：4-12V均可，電壓越高LED會越亮。\n\n\r\n\r\n\t散件圖：\n\r\n\t\n\r\n\t\n\r\n\tPCB板：\n\r\n\t\n\r\n\t\n\r\n\t\n\r\n\t成品展示：\n\r\n\t\n\n\r\n\r\n\t電路原理：Q1及其週邊電路組成簡易放的電路，MIC將聲音信號轉換為電信號，經C3耦合到Q1進行放大，在Q1集電極形成高低變化的電壓信號，幅度足夠的電壓送到CD4017的計數輸入端（14腳），每到來1個脈衝，計數器的Q0-9輸出的高電平依次移動1位，點亮對應的發光二極體，從而產生流水的感覺。其中L11接到4017計數輸出端CO，當L1-5點亮時，4017的CO端輸出高電平，點亮L11，當L6-10點亮時，CO端輸出低電平，L11不亮。如果覺得L11有礙美觀，也可以不裝，完全不影響電路工作。\n\n\r\n\r\n\t電路原理圖：\n\n\r\n\r\n\t\n\n\r\n\r\n\t元件清單：","shipping_methods":[{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"},{"name":"7-ELEVEN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":"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":2,"watch_count":3}