PC Setup

Foxy

Download and Install Ubuntu on PC

lsb_release -a

Turtlebot3QuickStart1
=> Already Installed
Installation Confirmed

Install ROS on Remote PC

sudo apt update
sudo apt upgrade
wget https://raw.githubusercontent.com/ROBOTIS-GIT/robotis_tools/master/install_ros_noetic.sh
chmod 755 ./install_ros_noetic.sh 
bash ./install_ros_noetic.sh

Turtlebot3QuickStart2
=> Successfully Installed

Install Dependent ROS Packages

sudo apt-get install ros-noetic-joy ros-noetic-teleop-twist-joy \
  ros-noetic-teleop-twist-keyboard ros-noetic-laser-proc \
  ros-noetic-rgbd-launch ros-noetic-rosserial-arduino \
  ros-noetic-rosserial-python ros-noetic-rosserial-client \
  ros-noetic-rosserial-msgs ros-noetic-amcl ros-noetic-map-server \
  ros-noetic-move-base ros-noetic-urdf ros-noetic-xacro \
  ros-noetic-compressed-image-transport ros-noetic-rqt* ros-noetic-rviz \
  ros-noetic-gmapping ros-noetic-navigation ros-noetic-interactive-markers

Install TurtleBot3 Packages

sudo apt install ros-noetic-dynamixel-sdk
sudo apt install ros-noetic-turtlebot3-msgs
sudo apt install ros-noetic-turtlebot3

=> Try sudo apt-get update when it fails

Network Configuration

(1)Connect PC to a WiFi device and find the assigned IP address with the command below

ifconfig

Turtlebot3QuickStart4
=> Find the ip address

ifconfig

(2)Open the file and update the ROS IP settings with the command below

nano ~/.bashrc

(3)Modify the address of localhost in the ROS_MASTER_URI and ROS_HOSTNAME with the IP address acquired from the above terminal window
Turtlebot3QuickStart5
(4)Source the bashrc with below command

source ~/.bashrc

SBC Setup

(1)Prepare microSD Card and Reader
Turtlebot3QuickStart6 (2)Download TurtleBot3 SBC Image

Reference:
https://emanual.robotis.com/docs/en/platform/turtlebot3/quick-start/