How to Hook Up 2 Laser Rangefinders to Arduino?- Step-by-Step Guide with FAQs, Tips, & More

People often ask how to hookup two laser rangefinders to Arduino.
Let’s find out!

How to Hook Up 2 Laser Rangefinders to Arduino?

The Arduino has built-in I2C (inter-IC) bus capability. This means it can talk directly to devices connected to its serial port without needing any additional hardware.

Hardware installation is simple. Simply attach the LRF to the aluminum mount using two screws. Then connect the LRF to the motor shield using a cable.

Note: If you want to know a complete guide about rangefinder click HERE.


  • Round files are used to cut metal
  • A Dremel rotary tool is used to make holes in the acrylic plate
  • A soldering iron is used to attach wires to the servo

Note: If you want to gain information about How to Use West Marine Rangefinder Reticle 7×50 click HERE.

Installation Guide

An installation guide is provided.

Step 1: This robot moves forward by rotating its head.

Step 2: A servo motor rotates a metal plate attached to an acrylic base.

Step 3: The servo motor connects to the motor shield via a cable.

Step 4: The cable goes into the servo connector labeled “servo 1”. Be careful not to connect the cable backward.

Note: If you want to know Leica LRF 1200 Rangefinder 2002 Model click HERE.

Install Laser Range Finder LRF

Laser range finders use lasers to measure distances. Triangulation is used to determine the distance. Accuracy is about 5%. Optimal measurement ranges 6-48″ with an average error of 3%.

Note: If you want to know How Use 19TH Century Rangefinder clicks HERE.

how to hook up 2 laser rangefinders to arduino

How to Hook Up 2 Laser Rangefinders to Arduino?


Hardware installation is simple. If you have any more questions feel free to comment below.

If you want to know 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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