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Ultrasonic Range Finder 4 Pin HC-SR04

Ultrasonic Range Finder 4 Pin HC-SR04
Ultrasonic Range Finder 4 Pin HC-SR04
SKU SKU17713  
Weight 20.00 grams
 
Our price: Rs168.00 ($3.50)
including CST 5% ( Rs8.00 )
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READ THIS CAREFULLY BEFORE PURCHASING !

Ultrasonic ranging module HC-SR04 provides 2cm - 400cm non-contact distance measurement function, the ranging accuracy can reach up to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit.

The basic principle of work:

  • The module should be triggered by pulling Trig pin high for at least 10uS.

  • The Module automatically sends eight 40 kHz pulses and detect whether there is a echo back after bouncing off any obstacle in front of it.

  • If their is an echo back, the module pulls up the echo line high for a duration it takes for the waves to go to the obstacle and return. Test distance = (high level time×velocity of sound /2)

 

Description of four pin interface

  1. 5V Supply
  2. Trigger Pulse Input
  3. Echo Pulse Output
  4. GND

More details:

  • Power supply :5V DC

  • Quiescent current : <2mA

  • Effectual angle: <15°

  • Ranging distance : 2cm – 500 cm

  • Resolution : 0.3 cm

Datasheet


Interfacing Demos

Ultrasonic Rangefinder HC-SR04 Interfacing with ATmega8 : This tutorial will show you how to interface this sensor with ATmega8 microcontroller. The distance measured (in cm) is shown on a 16x2 alphanumeric LCD module. In the tutorial you will find hex file ready to burn and complete Atmel Studio 6 project with source code.

ATmega8 HC-SR04 demo

Fig. Testing HC-SR04 with ATmega8

Ultrasonic Rangefinder HC-SR04 Interfacing with PIC16F877A : This tutorial will show you how to interface this sensor with PIC microcontroller. The distance measured (in cm) is shown on a 16x2 alphanumeric LCD module. In the tutorial you will find hex file ready to burn and complete MPLABX project with source code.

PIC 16F877A HC-SR04

 

READ THIS CAREFULLY BEFORE PURCHASE

Please note that these modules requires a lots of work on users part to get it to working.

  • Also user should have thorough knowledge of electronics, programming and debugging.
  • They are NOT complete product, but just a part which depends on other parts and software form the user.
  • IT IS BECAUSE OF THESE REASONS WE DO NOT PROVIDE ANY KIND OF GUARANTEE, WARRANTY, RETURNS, REFUND OR PROBLEM SOLVING SUPPORT ON THESE PRODUCTS.
  • THE PRICE WE COLLECT IS OF THE HARDWARE ONLY. SO DO NOT EXPECT ANY KIND OF CONSULTANCY SERVICES ALONG WITH IT.
  • WE WILL SHIP THE PRODUCT ONLY IF YOU AGREE TO ABOVE TERMS.

BUT EACH MODULE IS THROUGHLY INSPECTED, TESTED AND WELL PACKED BEFORE DISPATCH.

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