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  • 5pcs HC-SR04 Ultrasonic Distance Measuring Sensor Module for Arduino
5pcs HC-SR04 Ultrasonic Distance Measuring Sensor Module for Arduino

5pcs HC-SR04 Ultrasonic Distance Measuring Sensor Module for Arduino

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This module features stable performance and accurate distance measurement. It is compare favourably with SRF05, SRF02 and other ultrasonic distance measuring modules. With high precision, ultra-close(2cm) blind area and stable performance.

Features:
Adopt IO trigger distance measuring, to at least 10us high-level signal.
Module automatically sends 8 40KHz square wave, automatically detect whether there is signal return.
If there is signal return, output a high level through the IO, the duration of high level is the time of ultrasound from the launch to the return.
Distance measurement = (high level time * sound speed (340M/S)) / 2.

Specifications:
Working Voltage: DC5V
Quiescent Current: less than 2mA
Level Output: High 5V, Low 0V
Sensing Angle: ≤ 15°
Detection Range: 2cm ~ 450cm 
Precision: Up to 0.3cm
Wiring: VCC, Trig(Control Terminal), Echo(Receiver), Out(Empty Foott), GND
Size(1pc): 45 * 20 * 13mm
Weight(1pc): 8g
Package Size: Approx. 7 * 6 * 3cm
Package Weight: 42g

Note:
1. TRIP pin is the internal pull-up 10K resistor, pull down TRIP pin with the MCU IO port, and then to a 10us or more pulse signal.
OUT pin as the switch output pin of anti-theft module for this module, ranging module does not use this foot!
2. The module should be installed on circuit board and then power on, avoiding high level; if generated, please re-power.

Package List:
5 * Ultrasonic Distance Measuring Module
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