A sensor that uses sound waves to determine how far away an object is from it. It is used for measuring distances.
In other words, a sensor that uses sound waves to determine how far away an object is from it
Description:
This sensor uses sound waves to determine how far away an object is from it.
How It Works:
This device emits sound with a very high pitch. So high, in fact that you cannot hear it. Sound takes time to travel through the air. This clever device listens for the first echo to bounce off a nearby object. It then figures out how far away the object is by measuring the time it takes for the sound to reflect off the target and echo back to it.
Connect It:
There are three pins on the bottom of this device. Power the device by connecting the Power pin to the Arduino 5V terminal and Ground to any GND terminal on an Arduino. The Signal pin is connected to any digital or analog terminal on the Arduino.
How It Is Used:
Select the device during simulation to show a region with a circle in it. The region represents the space in which the sensor can detect a large object. The circle is the target object. Select the target to move it around the region and change the distance between it and the sensor.
Get Started:
Drag the starter circuit below into your design for a working example of how to use this part.
More About Ultrasonic Distance Sensor:
To add an Ultrasonic Distance Sensor in Tinkercad, search for "Ultrasonic Distance Sensor" in the component library, drag it onto your breadboard, and connect its terminals with wires to other components in your circuit. You can then click on the Ultrasonic Distance Sensor to set its name for easy identification.
The Ultrasonic Distance Sensor operates on the principle of Time-of-Flight (ToF), using high-frequency sound waves to measure the distance to an object. The key components are the Transmitter (or transducer), which converts an electrical signal into an ultrasonic pulse (typically 40 kHz), and the Receiver, which detects the reflected echo. Sensors are primarily classified as Proximity sensors (measuring distance to the nearest object) or more specialized types like Level Sensors (for fluids/solids) or Flow Sensors. Common module specifications, such as for the popular HC-SR04, include a Working Voltage of 5 VDC, a Working Current of around 15 mA (measured in milliamperes), and a typical Working Range of 2 cm to 400 cm (measured in centimeters). They offer an Accuracy of approximately ±3 mm (measured in millimeters) and are unaffected by the object's color or ambient light.
Random Nerd Tutorials – Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino
Website Title: Random Nerd Tutorials
Website Page URL: https://randomnerdtutorials.com/complete-guide-for-ultrasonic-sensor-hc-sr04/
URL recommended for: A detailed, complete guide for beginners on the widely used HC-SR04 module, covering the working principle, pinout, wiring with Arduino, and providing an example sketch with code explanation.
Instructables – Ultimate Guide for Beginner to Ultrasonic Sensor
Website Title: Instructables
Website Page URL: https://www.instructables.com/Ultimate-Guide-for-Beginner-to-Ultrasonic-Sensor/
URL recommended for: A step-by-step tutorial, including an animated GIF image, that clearly explains the core working principle (Time of Flight and distance calculation formula), wiring, and Arduino code for the HC-SR04.
Baumer – Functionality and technology of ultrasonic sensors
Website Title: Baumer
Website Page URL: https://www.baumer.com/us/en/service-support/function-principle/ultrasonic-sensors---function/a/Know-how_Function_Ultrasonic-sensors
URL recommended for: A professional overview of the functionality and technology, detailing the Time-of-Flight principle, distance formula (Distance=(T×C)/2), and different sensor principles like proximity and through-beam.
Adafruit Learning System – Ultrasonic Sonar Distance Sensors
Website Title: Adafruit Learning System
Website Page URL: https://learn.adafruit.com/ultrasonic-sonar-distance-sensors/overview
URL recommended for: A concise technical overview of ultrasonic sonar sensors, their common applications in robotics, and typical range specifications.
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