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Description

Ultrasonic hc-sr04 distance measuring transducer sensor includes an ultrasonic transmitter, a receiver and a control circuit..
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..
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..
Ranging distance: 2cm~450cm: High precision: up to 0.3cm; Input trigger pulse：10us TTL Level Working voltage：5V(DC); Working current: 15mA; Detecting angle：15 degrees.
Package Content: 5pcs HC-SR04 with a gift of 10 pcs female to male dupont cable.
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This module has stable performance and accurate measurement distance. Module high-precision, blind (2cm) ultra-close, stable range is the success of this product to the market a strong basis! This module fully humility GH-311 anti-theft module. (1) using IO trigger ranging,to at least 10us of high-level signal; (2) the module automatically sends eight 40khz square wave, automatically detect whether there is signal return; (3) there is a signal return, through the IO output of a high, high duration is the time from the launch to the return of ultrasound. Test distance = (high time * sound speed (340M / S)) / 2; This product is simple to use, a control mouth made a 10US above the high level, you can wait for the reception of high-level output. An output can be opened timer, when the mouth becomes low when you can read The value of the timer, this time for the distance of time, can be calculated from the distance. Such a continuous cycle of measurement, you can move the measured value The module features: 1: Working voltage: DC5V 2: Quiescent current: less than 2mA 3: Level output: High 5V 4: Level output: Bottom 0V 5: Sensing angle: not more than 15 degrees 6: Detection range: 2cm-450cm 7: High precision: up to 0.3cm

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ANGEEK 5PCS HC-SR04 to world Ultrasonic Wave Detector Ranging Module for arduino Distance Sensor

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