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View All / 感測器模組
【UCI電子】(13-5) 有源蜂鳴器模組 無源蜂鳴器模組 低電平觸發 蜂鳴器 控制板

【UCI電子】(13-5) 有源蜂鳴器模組 無源蜂鳴器模組 低電平觸發 蜂鳴器 控制板

NT$15
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Description

無源蜂鳴器的特點是：
1. 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
2. 聲音頻率可控， 

有源蜂鳴器的特點是：
1. 有源蜂鳴器內部帶震盪源，所以只要一通電就會叫
2. 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。
每套重量約為6g

一 模組描述
1. 模組採用9012三極管驅動

2. 工作電壓3.3V-5V
3. 設有固定螺栓孔，方便安裝
4. 小板PCB尺寸：3.3cm * 1.3cm

二 模組介面說明（3線制）
1. 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）
2. GND  外接GND
3. I/O   外接單片機IO口

Shipping & Payment

Delivery Options

  • 門市自取
  • 7-11 Pickup and pay in store (C2C)
  • Tcat - Room Temp.
  • Family Mart Pickup and pay in store (C2C)

Payment Options

  • LINE Pay
  • Apple Pay
  • 門市自取
  • Bank Transfer
  • Pay on Family Mart Store Pickup (C2C)
  • Pay on 7-11 Store Pickup (C2C)
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