The main goal of this tutorial is to interface the HOKUYO URG 04LX with MATLAB for the understanding of basic commands.

HOKUYO URG 04LX

The Hokuyo URG 04LX is a 2D low cost, small and accurate laser finder that is perfect suitable for the robotics applications. It has 240 degree arc with 0.36 angular revolution and also able for the detection range from 20mm to 5600mm. It is compatible with serial as well as USB communication both.

Power Consumption for the HOKUYO URG:

Voltage : 5 Volt

Current : 500 mA

It is allowed to use with battery operated platforms

Hardware Components

HOKUYO URG 04LX

USB CONNECTOR

Interfacing of HOKUYO URG with UrgBenri Plus

Download the Software : https://sourceforge.net/projects/urgbenri/

Configure with the software

  Change the COM Port (according to the connected port)
  Click the connectivity button
  Device is connected and ready to see!!

Screenshot for PORT

Output Window

Interfacing of HOKUYO URG with MATLAB

The main procedure behind the implementation is as follow:

1. Configuration of LiDAR with initialization Commands

2. Read the data from the LiDAR

3. Decode the Data into mm

4. Plot this points on the Graph

Configuration of LiDAR with initialization Commands

Initialization Commands – (Default Baudrate for Hokuyo is: 19200)

Read the data from the LiDAR

Decode Data for LiDAR

GUI for the decode Data

OUTPUT from MATLAB

Command Window output

GUI output

Final Word

If you have any query please feel free to ask at [email protected]