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Product Details
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.
Power supply: 5V DC; quiescent current: less than 2mA; effectual angle: less than 15°; distance: 2cm~500cm; resolution: 0.3 cm
This seller has been a member since: Aug. 08, 2016
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Total Classifieds: 68
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