In this video I will write a little OPC UA client by using the open62541 OPC UA implementation. With this client I will read and write some variables from the Server, we created in the last videos. Here is a list of free and open source Software I use in this video or to make the video: - Virtualbox: https://www.virtualbox.org/ - i3wm (https://i3wm.org/) with i3blocks (https://github.com/vivien/i3blocks) - vim: https://www.vim.org/ - urxvt: http://software.schmorp.de/pkg/rxvt-unicode.html - gcc: https://gcc.gnu.org/ - SimpleScreenRecorder: https://www.maartenbaert.be/simplescreenrecorder/ - OpenShot: https://www.openshot.org/ - Firefox: https://www.mozilla.org/de/firefox/ - Zathura: https://pwmt.org/projects/zathura/