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Ultrasonic Range/Distance/Proximity Sensor (HC-SR04)

Ultrasonic Range/Distance/Proximity Sensor (HC-SR04)
Ultrasonic Range/Distance/Proximity Sensor (HC-SR04) Ultrasonic Range/Distance/Proximity Sensor (HC-SR04)
Product Code: SB-038
Availability: In Stock
Price: ₱149



DESCRIPTION
 
The Ultrasonic module detects the distance of the closest object in front of the sensor (from 2 cm up to 400cm). It works by sending out a burst of ultrasound and listening for the echo when it bounces off of an object. The module sends a short pulse through (Pin ‘Trig’) to trigger the detection, then listens for a pulse on the Pin ‘Echo’. The duration of this second pulse is equal to the time taken by the ultrasound to travel to the object and back to the sensor. Using the speed of sound, this time can be converted to distance.
 

SPECIFICATION
 
- Operating voltage: +5V. 
- Static current: less than 2mA. 
- Detection angle: 15 degrees 
- Range: 2cm ~ 400cm. 
- Precision: 0.3cm.
- Operating Current 15mA
- Operating Frequency 40KHZ
- Dimensions 45mm x 20mm x 15mm
 

TUTORIALS – SAMPLE CODE – DOCUMENTS
 
* Sample Code and Circuit
Tutorial: Arduino and HCSR04 example (by jsvester)

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