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Ultrasonic HC-SR04 Distance Measuring Transducer Sensor Compatible with Arduino
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object. The distance between the unit and the object is calculated by measuring the traveling time of sound and output it as the width of a TTL pulse.
Power supply: 5V DC; quiescent current: less than 2mA; effectual angle: less than 15°; distance: 2cm~300cm; resolution: 0.3 cm
Package Content: 5pcs HC-SR04 with a gift of 10 pcs female to male dupont cable
You can download the datasheet from the link below: http://bit.ly/2jKlJMO
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