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【UCI電子】 (Y-2) HC-SR04 超音波模塊 測距模塊

【UCI電子】 (Y-2) HC-SR04 超音波模塊 測距模塊

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Description

本模組性能穩定,測度距離精確。能和國外的SRF05,SRF02等超聲波測距模組相媲美。模組高精度,盲區(2cm)超近,穩定的測距是此產品成功走向市場的有力根據!


主要技術參數:

1.使用電壓:DC5V 2.靜態電流:小於2mA

3:電平輸出:高5V 4:電平輸出:低0V

5:感應角度:不大於15 6:探測距離:2cm-450cm 7:高精度:可達3mm

接線方式,VCCtrig(控制端)、 echo(接收端)、 GND地線

本產品使用方法:一個控制口發一個10US以上的高電平,就可以在接收口等待高電平輸出.一有

輸出就可以開計時器計時,當此口變為低電平時就可以讀計時器的值,此時就為此次測距的時間,

方可算出距離.如此不斷的週期測,就可以達到你移動測量的值了~~


模組工作原理:

(1)採用IO觸發測距,給至少10us的高電平信號;

(2)模組自動發送840khz的方波,自動檢測是否有信號返回;

(3)有信號返回,通過IO輸出一高電平,高電平持續的時間就是

超聲波從發射到返回的時間.測試距離=(高電平時間*聲速(340M/S))/2;

 

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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