All in One Designed: 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.
Easy to Install: HC-SR04 Ultrasonic Distance Sensor with 4 Pins: VCC; Trig(Control Side); Echo (Receiver); Out (Empty); GND; Small Size Designed,Easy for Embedded Installation.
Applications: HC-SR04 Ultrasonic Distance Sensor Widely used for Robot Obstacle Avoidance, Object Distance Measuring, Liquid Level Detection, Public Security, Parking Lot Detection etc.
Package Contents: You will Get 10pcs HC-SR04 Ultrasonic Distance Sensor,1pc 10pin Cable 20cm(M-F) and 1pc 10pin Cable 20cm(F-F)
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