Program Robots Like a Boss
In this tutorial you will learn how to run ROS2 on multiple machines, including a Raspberry Pi 4 board. As you’ll see, things will be quite easy and there is almost no configuration to do. If you’re using a Raspberry Pi with ROS2 as one of the machines, make sure you have correctly installed ROS2 … Read more
In this tutorial you’ll learn how to enable ssh on Raspberry Pi 4, with the Raspberry Pi OS (previously Raspbian). On Raspberry Pi OS, ssh is disabled by default, so you’ll have to find a way to enable ssh + find the IP address + connect to it. I will separate the tutorial into 2 … Read more
In this tutorial you will learn how to install ROS2 Foxy Fitzroy on Raspberry Pi 4. ROS2 is a great framework/middleware for robotics applications. With a Raspberry Pi board you can go much further, and embed a complete ROS2 application inside a small robot. For example, if you want to build a mobile base with … Read more
In this tutorial you’ll learn how to install Ubuntu 20.04 on Raspberry Pi 4, without needing any external monitor/keyboard/mouse. Just your computer (with which you’re reading this tutorial now), your Raspberry Pi 4 board, a micro SD card, and the power cable. I will also show you how to completely configure Ubuntu server on your … Read more
Have you ever wanted to control your Arduino board from a Raspberry Pi (or your computer), using only Python and not the Arduino language? Here comes pyFirmata, a Python library based on the Firmata protocol. In this tutorial I’ll show you how to setup pyFirmata and write complete programs using real hardware. You’ll need: An … Read more
So, you’re using – or want to use – ROS on a Raspberry Pi. That’s great! ROS + Raspberry Pi is such a powerful combination to create smart robots, with a somehow low cost, and very small electronic board embedded in the robot. Although there are many advantages, there are also some limitations that you … Read more
In this tutorial I’ll show you how to install Raspbian Desktop on a virtual machine, and more specifically on VirtualBox. As you may know, Raspbian – derived from Debian – is the official operating system (OS) for Raspberry Pi boards. But… Raspbian is not only working on Raspberry Pi boards. You can actually install it … Read more
In this tutorial I’ll show you how to write a complete ROS Service on your Raspberry Pi. You’ll see how to create both sides of the ROS Service: the client and the server. Also, to make it more interesting, we’ll use the Raspberry Pi GPIO header to actuate real hardware (using interrupts). Here is the … Read more
In this tutorial I’ll show you how to create a ROS Python Subscriber on your Raspberry Pi. This is the direct following of how to create a ROS Publisher on Raspberry Pi. Please check out this previous tutorial first, before you continue. In the first tutorial you have seen how to read the state of … Read more
In this tutorial I’ll show you how to write a ROS Python publisher on your Raspberry Pi. With the following code example you’ll learn how to publish a GPIO state with ROS. For that we’ll use a simple push button with a minimal hardware setup. You’ll see all the steps, from setting up the environment, … Read more