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價格均含稅，下單享優惠！歡迎大量採購，由專人提供專案報價。

目前僅提供網路賣場服務，無實體店面，無自取服務。

價格均含稅，下單享優惠！歡迎大量採購，由專人提供專案報價。

目前僅提供網路賣場服務，無實體店面，無自取服務。

價格均含稅，下單享優惠！歡迎大量採購，由專人提供專案報價。

View All / Educational | DIY Kits
DIY-20 下雨報知器套件

DIY-20 下雨報知器套件

產品貨號：368030200093
區號：Qe12-05
品牌：
原廠貨號：CHD-129

滿千免運優惠(限郵寄和超商純取貨) on order

本賣場無實體店面，無提供自取服務，敬請見諒。 on order

NT$110
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Description
Shipping & Payment
Description

商品規格

工作原理

  • 0.01UF為回授電容
  • 47K為基極偏壓電阻
  • 本電路為一音頻震盪器,測濕片接於電晶體基 極及電池正極,未下雨時,測濕片開路,電路中電晶體 無偏壓,而不工作所以喇叭無聲音,下雨時當雨水淋 濕測濕片,而使測濕片短路,電壓經47K供電晶體偏壓 而使電晶體工作喇叭因47K電阻及0.01UF電容震盪而 發出聲音

 

出貨清單

  • DIY-20 下雨報知器套件 x 1
Shipping & Payment

Delivery Options

  • Overseas (FedEx)
  • Overseas (Post)
  • Postal delivery
  • 7-11 Pickup and pay in store (C2C)
  • 7-11 Pickup only (C2C)
  • Tcat - Room Temp.
  • Tcat - Room Temp. (Collect on Delivery)
  • Draft quotation

Payment Options

  • Bank transfer
  • Sales Coordinator Contact
  • Credit Card
  • Tcat (Collect on Delivery)
  • Pay on 7-11 Store Pickup (C2C)

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