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WWZMDiB Ultrasonic Sensor Module for Arduino UNO R3 Raspberry Pi etc. (5Pcs HC-SR04 with Mounting Bracket)
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WWZMDiB Ultrasonic Sensor Module for Arduino UNO R3 Features
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💎【HC-SR04 Ultrasonic Sensor】：This is a device that can use sound waves to measure the distance of an object. It measures distance by emitting a sound wave of a specific frequency and listening to the bounce of that sound wave. The distance between the sonar sensor and the object can be calculated by recording the time elapsed between the generation of the sound wave and the bounce of the sound wave.
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⚡【Working Voltage】: 5V DC；Quiescent current: less than 2mA.
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📐【Ranging Distance】：2cm - 450 cm；High precision: 0.3 cm.
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📐【Effectual Angle】: <15°
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🎯【Test mode 】：Test distance = ((Duration of high level)*(Sonic :340m/s))/2
About WWZMDiB Ultrasonic Sensor Module For Arduino UNO R3
HC-SR04 Ultrasonic Sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. By recording the elapsed time between the sound wave being generated and the sound wave bouncing back, it is possible to calculate the distance between the sonar sensor and the object. Themodule works: (1) IO trigger ranging to at least 10us high signal; (2) module automatically sends eight 40kHz square wave, automatically detect whether a signal return; (3) the signal to return, a high IO output, high duration of Ultrasonic time from launch to return. Test distance = (time high * speed of sound (340M / S)) / 2; Technical Specification： Power Supply :+5V DC Quiescent Current : 3mA Working Current:
