![[ROS Q&A] 187 – Unable to use data received in callback function](https://www.theconstructsim.com/wp-content/uploads/2019/05/Unable-to-use-data-received-in-callback-function.jpg)
by Alberto Ezquerro | May 3, 2019 | ROS Q&A
Learn the proper use of ROS spin for a ROS subscriber so that the data received in the callback function can be accessed. This is an answer to a question on the ROS Answers forum. Let’s go! Related Resources ROS Development Studio (ROSDS) Robot Ignite Academy...
![[Morpheus Chair] Pan & Tilt with Raspberry Pi and ROS | S3.Ep.1](https://www.theconstructsim.com/wp-content/uploads/2019/05/Pan-Tilt-with-Raspberry-Pi-and-ROS-tutorials-the-construct.png)
by Miguel Angel | May 3, 2019 | Real Robots with ROS
About In this video, you are going to learn how to set up your raspberry pi to use the Pan & Tilt Hat created by WaveShare. We will create a python class to move the two servos and test all its functionality. Remember to leave a message of love to ANKI 😉 with the...
![[ROS Q&A] 186 – How to store value from a subscribed topic in ROS in Python](https://www.theconstructsim.com/wp-content/uploads/2019/04/how-to-store-value-from-suscribed-topic-ROS-python.jpg)
by Alberto Ezquerro | Apr 26, 2019 | ROS Q&A
About: In the video of today, we are going to see how you can easily store a value from a subscribed topic into a variable in order to use it later for further purposes. In this case, we will use a global variable to do so. ? Subscribe for more free ROS learning:...
![[Morpheus Chair] Vector ROSDS CloudConnection | T2.Ep.4](https://www.theconstructsim.com/wp-content/uploads/2019/04/Connect-to-real-vector.jpg)
by Miguel Angel | Apr 26, 2019 | Real Robots with ROS
About: In this video, you are going to learn how to connect to the real Vector ROBOT through ROSDS using the real robot connection tools. You will also use a docker created by betaB0t to connect to VECTOR. Commands to launch the docker in your local PC: sudo docker...
![[ROS Q&A] 185 – 2D Drone Navigation (Part 4 Get Odometry from Laser readings)](https://www.theconstructsim.com/wp-content/uploads/2019/04/2d-drone-navigation-no4.jpg)
by Alberto Ezquerro | Apr 14, 2019 | ROS Q&A
About: In the video of today, we are going to see how you can generate Odometry data from the Drone’s laser readings (using the rf2o_laser_odometry package). Then, we will use this Odometry data in order to perform Navigation. Get the full code of this video...
