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SparkFun Ultrasonic Sensor – HC-SR04 超音波測距模組 SparkFun ROHS進口探頭
HC-SR04超聲波測距傳感器。這款經濟型傳感器提供2cm至400cm的非接觸式測量功能,測距精度可達3mm。每個HC-SR04模塊包括一個超聲波發射器,一個接收器和一個控制電路。在HC-SR04上只需要四個引腳:VCC(電源),Trig(觸發器),Echo(接收)和GND(地)。你會發現這個傳感器很容易設置和使用你的下一個測距項目!
- 工作電壓:5V DC
- 工作電流:15mA
- 測量角度:15°
- 測距距離:2cm – 4m
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Ultrasonic Sensor – HC-SR04
This is the HC-SR04 ultrasonic ranging sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.
There are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project!
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