Hc sr04 user guide part 1 ultrasonic introduction 1. This economical sensor provides 2cm to 400cm of noncontact measurement functionality with a ranging accuracy that can reach up to 3mm. It is able to measure distances from 2cm to 400cm with an accuracy of about 3mm. The module sends an ultrasonic signal, eight pulses of 40khz square wave from the transmitter. Ultrasonic pulses travel outward until they encounter an object, the object causes the the wave to be reflected back towards the unit. The next pulse can be transmitted when the echo is faded away. This module provides a full set of ranging process. Get objectdistance detection in your project using the lowcost hc sr04 ultrasonic distance module from elegoo. I am trying to interface hc sr04 ultrasonic sensor with arduino. Heres a list of some of the hcsr04 ultrasonic sensor features and specs. An ultrasonic range finder does this through sound waves. We will be using the hcsr04 ultrasound sensor for distance measurement. Feb 04, 2014 using an ultrasonic sensor hcsr04 with a tiva c series microcontroller and energia this guide will provide you with everything needed to connect an ultrasonic sensor hcsr04 to your tiva c series based microcontroller. The module is with high precision, blind spots 3cm super close.
We would like to show you a description here but the site wont allow us. It comes complete with ultrasonic transmitter and receiver modules. The senor receives this signal and converts it to an electric signal. We are using this sensor because it is a low cost and easily available module. Using the hcsr04 ultrasonic distance sensor with arduino everything you need to know. As we connect the module to 5v and initialize the input pin, it starts transmitting the sound waves which then travel through the air and hit the. This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the gnd terminal of this module to be connected first,otherwise, it will affect the normal work of the module package includes. Hcsr04 ultrasonic sensor distance measuring module 3. If you are sourcing an ultrasonic ranging module, the hcsr04 is a good choice. Its stable performance and high ranging accuracy make it a popular module in the electronic market.
Hcsr04 user guide the transmitter emits a 8 bursts of an directional 40khz ultrasonic wave when triggered and starts a timer. To start measurement, trig of sr04 must receive a pulse of high 5v for at least 10us, this will initiate the sensor will transmit out 8 cycle of ultrasonic burst at 40khz and wait for the reflected ultrasonic burst. Ultrasonic module hcsr04 distance sensor for arduino. The smart techies private limited offering ultrasonic sensor hc sr04 in marudhar nagar, jaipur, rajasthan. Ultrasonic ranging module hcsr04 summerfuel robotics. The hcsr04 ultrasonic sensor uses sonar to determine distance to an object. Buy ultrasonic hcsr04 sensor module robomart india. Ultrasonic ranging module hc sr04 product features. If you are sourcing a ultrasonic ranging module, the hcsr04 is good choose. The hcsr04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. Ultrasonic sensor hcsr04 hcsr04 distance overview if you are sourcing a ultrasonic ranging module, the hcsr04 is good choose. If you are sourcing a ultrasonic ranging module, the hc sr04 is good choose. The hcsr04 ultrasonic sensor uses sonar waves to determine distance to an object. It is very useful for accurate distance measurement of the target object and mainly works on the sound waves.
Doradus hcsr04 ultrasonic module distance measuring. Compared to the shap ir ranging module, hc sr04 is more inexpensive than it. The ultrasonic receiver would detect the reflected wave and stop the stop timer. The smart techies private limited offering ultrasonic sensor hcsr04 in marudhar nagar, jaipur, rajasthan. Toogoor hcsr04 distance measuring transducer sensor ultrasonic module for arduino this module performance is stable, measure the distance accurately.
I got a kit from gearbest that has everything in it that you will need for this project, also this kit is very good for beginners and i would recommend you check it out here. The module includes ultrasonic transmitter, receiver and. The hcsr04 ultrasonic us sensor is an ultrasonic transducer that comes with 4 pin interface named as vcc, trigger, echo, and ground. The modules includes ultrasonic transmitters, receiver and control circuit. This code is licensed under creative commons share alike and attribution by j. Hcsr04 ultrasonic sensor working as shown above the hcsr04 ultrasonic us sensor is a 4 pin module, whose pin names are vcc, trigger, echo and ground respectively. This ultrasonic distance sensor provides steady and accurate distance measurements within the range of 2cm to a whooping 450cm. Using the same principle as bats echo location, this module uses trigger and echo pin to send a signal and listen for it to be bounced back. As shown above the hcsr04 ultrasonic us sensor is a 4 pin module, whose pin names are vcc, trigger, echo and ground respectively. Compared to the sharp ir ranging module, the hc sr04 is less expensive but with same ranging accuracy and longer ranging distance. The hcsr04 ultrasonic sensor uses sonar to determine distance to an object like bats do. It is perfect for the obstacle avoiding system in your robot project.
Hcsr04 ultrasonic range sensor 3d cad model library. This tutorial will show you how to use an hc sr04 chip with arduino. An ultrasonic distance sensor is a sensor that can measure distance from a solid or physical object. Hcsr04 ultrasonic range finder distance measuring module. Hcsr04 ultrasonic distance sensor is a popular and low cost solution for noncontact distance measurement function. It can measure the distance between the sensor and the object by the time from the sound wave of a specific frequency to the time when the sound wave is heard to bounce back. But it has the same ranging accuracy and longer ranging distance. Hc sr04 ultrasonic sensor consists of a transmitter, a receiver and a control module. How to plug the ultrasonic hcsr04 into the arduino using the example plugandplay. Its rather interesting, to work with hcsro4 ultrasonic sensor. Complete guide for ultrasonic sensor hcsr04 with arduino.
I am trying to interface hcsr04 ultrasonic sensor with arduino. Working of hcsr04 ultrasonic sensor with arduino uno. Each hc sr04 module includes an ultrasonic transmitter, a receiver and a control circuit. The hcsr04 has a 5v output which needs to be reduced to 3.
Description ultrasonic ranging module hc sr04 provides 2cm 400cm noncontact measurement function, the ranging accuracy can reach to 3mm. Ultrasonic range sensor module hcsr04 famosa studio. Jul 06, 20 therefore, ultrasonic sensor can be used to measure distance. The connected microcontroller accepts the signal and. Hcsr04 specifications the sensor chosen for the firefighting drone project was the hcsr04.
It offers excellent noncontact range detection with high accuracy and stable readings in an easytouse package. Ultrasonic sensor is a sensor that works on principle similar to radar or sonar. Discontinued ultrasonic ranging detector mod hcsr04. Apr 26, 2020 if you are sourcing a ultrasonic ranging module, the hc sr04 is good choose. Jan 04, 2016 we will be using the hc sr04 ultrasound sensor for distance measurement. Ultrasonic sensor hc sr04 hc sr04 distance overview if you are sourcing a ultrasonic ranging module, the hc sr04 is good choose. Hcsr04 ultrasonic module can offer noncontact distance sensing function, the range of which is 2cm to 400cm, and the range accuracy is up to 2mm. The datasheet of hc sr04 can be obtained here, hc sr04. This article illustrates how to interface the hc sr04 to the arietta g25 board.
How to plug the ultrasonic hc sr04 into the arduino using the example plugandplay. How to use an hcsr04 ultrasonic sensor with arduino. It offers excellent range accuracy and stable readings in an easytouse and small package. Hcsr04 ultrasonic range finder distance measuring module sensor arduino pi.
Hc sr04 ultrasonic sensor working as shown above the hc sr04 ultrasonic us sensor is a 4 pin module, whose pin names are vcc, trigger, echo and ground respectively. Hcsr04 is an ultrasonic ranging module that provides 2 cm to 400 cm noncontact measurement function. This hcsr04 ultrasonic sensor uses sonar to measure the distance to an object. Ultrasonic ranging module hc sr04 provides 2cm 400cm noncontact measurement function, the ranging accuracy can reach to 3mm. The hcsr04 sensor works best between 2cm 400 cm 1 ft within a 30 degree cone, and is accurate to the nearest. Hc sr04 ultrasonic distance sensor is a popular and low cost solution for noncontact distance measurement function. The hcsr04 is great, as its low cost, can be powered via the raspberry pis 5v output, and is relatively accurate. But then on the serial monitor, it keeps printing some unknown characters and not the distance.
Hcsr04 datasheet ultrasonic ranging detector sensor. The ranging accuracy can reach to 3mm and effectual angle is hcsr04 pdf datasheet. Hcsr04 ultrasonic sensor distance measuring module at. Hcsr04 datasheet pdf pinout ultrasonic ranging module. This is a model of the common hcsr04 ultrasonic range sensor.
Hcsr04 datasheet, hcsr04 pdf, hcsr04 pinout, equivalent, replacement ultrasonic ranging module elecfreaks, schematic, circuit, manual. This sensor is a very popular sensor used in many applications where measuring distance or sensing objects are required. Hc sr04 user guide the transmitter emits a 8 bursts of an directional 40khz ultrasonic wave when triggered and starts a timer. Home arduino related hcsr04 ultrasound sensor module. Hcsr04 ultrasonic sensor consists of a transmitter, a receiver and a control. Smraza ultrasonic module hc sr04 distance sensor can measure the distance to an object by using echo.
The connected microcontroller accepts the signal and performs necessary processing. It generates high frequency sound and calculate the time interval between the sending of signal and the receiving of echo. It sends out highfrequency sound waves and then waits to listen back for these sound waves. Sounds very interesting the technology used here is quite simple and clear for which users can easily purchase products and work accordingly. Therefore, ultrasonic sensor can be used to measure distance. Compared to the shap ir ranging module, hcsr04 is more inexpensive than it. Smraza ultrasonic module hcsr04 distance sensor can measure the distance to an object by using echo. This performance of the ultrasonic sensor distance measuring module is stable, measure the distance accurately. Feb 12, 2016 using the hcsr04 ultrasonic distance sensor with arduino everything you need to know. Robomart india the online megstore for buy hc sr04 module, hc sr04 module online india, buy online hc sr04 module, hc sr04 module price, hc sr04 module buy at best buy prices. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
The hc sr04 ultrasonic sensor ranging module is a good choice if you are sourcing an ultrasonic ranging module. Hc sr04 ultrasonic module can offer noncontact distance sensing function, the range of which is 2cm to 400cm, and the range accuracy is up to 2mm. Get objectdistance detection in your project using the lowcost hcsr04 ultrasonic distance module from elegoo. Using io trigger for at least 10us high level signal, the modul. The working principle of a ultrasonic sensor is as below. Hcsr04 ultrasonic sensor 3d cad model library grabcad. This section contains the specifications and why they are important to the sensor module. Hcsr04 with a tiva c series microcontroller and energia this guide will provide you with everything needed to connect an ultrasonic sensor hcsr04 to your tiva c series based microcontroller. The module includes ultrasonic transmitter, receiver and control circuit. Ultrasonic ranging module hc sr04 mouser electronics. Each hcsr04 module includes an ultrasonic transmitter, a receiver and a control circuit. Its stable performance and high ranging accuracy make it a popular module in electronic market.
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