ROS Developers LIVE Class #86: How to use OpenCV with ROS

OpenCV is the best library for image processing. How can we take advantage of that with a ROS program?
In this Live Class we will show you how to capture an image from a ROS topic and convert it into an OpenCV image. Then we will show you how to use OpenCV to detect a line and make the robot follow the line.

Robot used: Parrot Drone

The whole code will be provided to all the attendants of the class.

If you missed the class,

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Every Tuesday @ 6 PM CET. This is a LIVE class on how to develop with ROS. In Live Classes, you will practice with me at the same time that I explain, with the provided free ROS material. * IMPORTANT: Remember to be on time for the class because at the beginning of the class, we will share the code with the attendants for free. * IMPORTANT 2: In order to start practicing quickly, we are using the ROS Development Studio. You will need a free account to attend the class. Go to and create an account prior to the class. // RELATED LINKS ▸ ROS Development Studio: ( ) ▸ Robot Ignite Academy: ( )

#ROS #Robot #ROStutorials

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How to Fix Kali Linux 2020 apt-get update Error | WORKING 100% PROBLEM SOLVED

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HOW TO FIX apt-get update problem in NEW KALILINUX (2020) ON VBOX
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This video is for educational purpose only.Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

Thanks for watching!
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How To Fix Screen Tearing Whilst Gaming On Linux – nVidia ⁄ Force Composition Pipeline

How To Fix Screen Tearing Whilst Gaming On Linux – nVidia ⁄ Force Composition Pipeline

This is a quick tutorial on fixing screen tearing on Linux when using a nVidia GPU, by enabling Force Composition Pipeline in the nVidia X Server Setting application.

However you need to run the nVidia X Server Setting application as root in order to save and apply this settings permanently.

The easiest way to do this is type the following into the terminal:

sudo nvidia-settings

Then navigate to X Server Display Configuration / Advanced and enable Force Composition Pipeline

Repeat for all your monitors.

Click Save to X Configuration File and click Save.

This will save it to xorg.conf, which can be found at:

/etc/X11/xorg.conf

Alternatively if you are using Manjaro, instead of saving to xorg.conf, you
need to save the settings to mhwd.d, which can instead be found at:
/etc/X11/mhwd.d

So instead of clicking Save, instead click on Show Preview, copy and paste that content into the mhwd.d file, and save.

Once this setting is applied, then screen tearing will be fixed, and more importantly this will be applied at each boot.

#linuxgaming #nvidia #tutorials

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What Is The Best Linux Distribution?

In this video i answer the question i get asked the most regarding Linux. What is the best Linux distribution? Feel free to share your thoughts and feedback in the comments section.

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#Linux

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How to Make Arch Linux Stable and What NOT to Do!

In this video, I go over how to make Arch Linux stable and what NOT to do! These rules apply to all Arch-based distros like Manjaro, Arco, etc.

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CS506 Assignment 2 Solution Fall 2019 | Virtual University | HackerOne

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CS604 Assignment 2 Solution Fall 2019 | Virtual University | HackerOne

Solution File: https://vu-solved.blogspot.com/2019/11/cs604-assignment-2-solution-fall-2019.html
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CS201 Assignment 2 Solution Fall 2019 | Virtual University | HackerOne

Solution File: https://vu-solved.blogspot.com/2019/11/cs201-assignment-2-solution-fall-2019.html
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ROS Developers LIVE Class #75: Why doesn’t the Robot move when I send a Navigation Goal?

In this class, you will learn how to prevent common errors in navigation that prevent a robot from moving when a goal is sent.

**Why is it so important to learn this topic?**

A very important part of robotics is navigation, the ability of a robot to move in an environment, whether for transport, exploration, or other various uses of the robotics. It is very common to work sending goals to carry out our navigation, and using RVIZ is a very useful and powerful graphic way to do it. However, when it fails to complete the operation correctly, we get stuck trying to figure out the possible errors in navigation. Sometimes, it can be due to the configuration of some tools, or other problems with the move base, or another cause altogether.
Finding these mistakes is not an easy task, which is why we will contemplate the most common mistakes that prevent the completion of these navigation goals.

The robot that we will use is the Turtlebot.

**REQUIREMENTS:**
– Basics of Linux (…)
– ROS Basics (…)
– ROS Navigation

The whole code will be provided to all the attendants of the class.

If you missed the class, you can find the ROSject files and full-code used in the class at Robot Ignite Academy:
============================
Every Tuesday @ 6 PM CET.

This is a LIVE Class on how to develop with ROS. In Live Classes, you will practice with me at the same time that I explain, with the provided free ROS material.

IMPORTANT: Remember to be on time for the class because at the beginning of the class, we will share the code with the attendants for free.

IMPORTANT 2: In order to start practicing quickly, we are using the ROS Development Studio. You will need a free account to attend the class. Go to and create an account prior to the class.

// RELATED LINKS
▸ ROS Development Studio: ()
▸ Robot Ignite Academy: ()

#ROS #Robot #ROStutorials #Robotics

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