How to Use Rangefinder Frc? – Quick and Easy Guide with Expert Advice

People often ask, how to use the FRC rangefinder?

Let’s find out!

How to Use Frc Rangefinder?

The FRC rangefinder is a great tool for hunters who want to know where they stand relative to a target. It’s not just for hunting though – it’s useful for any situation where you need to measure distance accurately.

Some of the most popular rangefinders used in FRC® are ultrasonic ones. They are quite reliable, affordable, and simple to operate. When using an ultrasonic rangefinder, a high-frequency sound pulse is first emitted, and then the time it takes for the echo to return to the sensor after bouncing off the target is measured. The target’s distance can be calculated using the measured time and the sound speed in the air.

Note: If you want to know tutorials about rangefinder click HERE.

Ultrasonics Hardware

Ultrasonic sensors use high-frequency sound waves to measure distances. They are inexpensive and easy to use. They are reliable but need calibration.

how to use rangefinder frc

How to Use Rangefinder Frc?

Types of Ultrasonics

Ultrasonic rangefinders use the same principle as the roboRIO but they may vary in how they communicate with the oratorio.

Note: If you want to know How to Wire Rangefinder CJMCU981 to APM26 click HERE.

Analog Ultrasonics

A simple analog voltage corresponds to the distance to the object. An analog ultrasonic sensor connects to an analog input port and converts the distance to an analog signal.

Ping Response Ultrasonics

Ultrasonic devices use sound waves to communicate. A ping response device connects to an input and an output. The output sends out a ping, and the input receives the reply.

Serial Ultrasonics

Ultrasonic sensors use sound waves to detect objects. These sensors may be used to control robots or other devices.

Note: If you want to know How to Use the X40 Rangefinder click HERE.


Ultrasonic sensors are very useful tools for detecting objects. However, they aren’t always accurate. You need to make sure you choose the right sensor for the task. The beam pattern should be considered carefully before purchasing.

Note: If you want to know How to Use Tour S Laser Rangefinder click HERE.


Ultrasonic sensors are susceptible to interference from other sensors. The roboRIO can use round-robin ping-responses to reduce interference from other robots.

However, in competitions, there is no sure method to ensure that interference from other robots doesn’t happen. Ultrasonics may not be effective for detecting soft, curved objects.

We hope that this article was helpful. If you have any queries feel free to reach out in the comments section below.

If you want to gain more information about rangefinder click HERE.


  • John Moses

    John is the Editor in Chief here at The Outdoor Stores. His area of expertise ensures that there is no one better to suggest which rifles are most suitable for your hunting experience. He is also available for you to contact him personally to discuss the types of animals you want to hunt and the terrain you will be hunting on. Feel free to read his posts for expert opinion on Rifles, Scopes, Rangefinders, Bonoculars and Monoculars.

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