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Upgraded version HC-SR04 Ultrasonic Sensor Wide Voltage 3.3-5V Range Ultrasonic Ranging Module: Amazon.co.uk: Business, Industry & Science
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Ultrasonic Module HC SR04 Distance Measuring Transducer Sensor for arduino Ultrasonic Wave Detector Ranging Module|module hc-sr04|module for arduinomodule arduino - AliExpress
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