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StatusWiFi Breakout Breakout 9V ~24V IO -0.3V ~3.6V / -20oC ~+60oC. cd ~/catkin_ws/src/hector_slam/hector_slam_launch/launch Save the file, and return to the terminal window. >Д¬hange those lines to this (be sure to remove the comment tags (): Now go to the end of this file, and find these lines (line 54 in my code). Search for these lines (lines 5 and 6 in my code). sudo gedit ~/catkin_ws/src/hector_slam/hector_mapping/launch/mapping_default.launch All of this below is a single command, so you can just copy and paste. We need to set the frame names and options correctly. git clone Set the Coordinate Frame Parameters If you see streaming data, your Internet is connected properly. Make sure you have an Internet connection. cd ~/catkin_ws/srcД¬lone the Hector-SLAM package into your workspace. Move to your catkin workspaceвЂ™s source folder. The whole process should take a few minutes. Type Y and press Enter to complete the installation.

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sudo apt-get install qt4-qmake qt4-dev-tools

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Qt4 is a software that is used to generate graphical user interfaces. mapping) while simultaneously keeping track of its position within that map (i.e. SLAM is a popular technique in which a robot generates a map of an unknown environment (i.e. SLAM stands for Simultaneous Localization and Mapping. The original research paper is available here if you want to learn more about the details (you donвЂ™t need to know the details of the algorithm in order to use it in your applications). Hector stands for вЂњHeterogeneous Cooperating Team of RobotsвЂќ, the name of a robotics research group at TU Darmstadt. The advantage of Hector-SLAM over other SLAM techniques is that it only requires laser scan data to do its job. Hector-SLAM is an algorithm that uses laser scan data to create a map. In this section, we will build a map of our environment using the ROS Hector-SLAM package. Build a Map Using the Hector-SLAM ROS Package

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Press CTRL + C in all terminal windows to close everything down. If you see output like this, it means everything is working correctly. Open a new terminal window, and type: rostopic list To this: ROS_INFO('RPLIDAR running on ROS package rplidar_ros. cd ~/catkin_ws/src/rplidar_ros/src sudo chmod +x node.cpp sudo gedit node.cppД¬hange this: ROS_INFO('RPLIDAR running on ROS package rplidar_ros. The error is occurring in the node.cpp file. I saw an error that says вЂњC++11 requires space between literal and string macro.вЂќ source ~/catkin_ws/devel/setup.bashД¬lone the RPLIDAR ROS package to your src folder. Type this command in the current terminal (we wonвЂ™t need to do this again since weвЂ™ve added this command to our bash file).

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Having a portable power bank enables you to move the Jetson Nano and LIDAR around a room freely so you can build a map.ДЇirst, take the jumper off of pin J48 so your Jetson Nano knows we are going to plug in the portable battery into the 5V/2A USB Micro B connection (J28) rather than the 5V/4A barrel power jack (J25). The portable power bank that I purchased can be used to power your Jetson Nano. Once you finish this project, you can mount your Jetson Nano and LIDAR on anything that moves (drone, robot car, etc.) so you can map an environment.Дisclosure (#ad): As an Amazon Associate I earn from qualifying purchases. Acrylic Case for Jetson Nano B01 With a Dedicated Cooling Fan (Optional).Slamtec RPLIDAR A1M8 360 Degree 2D Laser Range Lidar Sensor 12 Meters Scanning Radius.INIU Power Bank, LED Display 10000mAh Portable Charger.In addition to the parts listed in the article I linked to in the Prerequisites, you will need the following components (#ad). You have already set up your NVIDIA Jetson Nano (4GB, B01) with ROS.Mapping of Underground Mines, Caves, and Hard-to-Reach Environments.This project has a number of real-world applications: Build a Map Using the Hector-SLAM ROS Package.Set Up a Catkin Workspace and Install RPLIDAR ROS Packages.