I didn't get much of a chance to work through the home automation tutorial at linux.conf.au 2019 because I ended up helping others in the room get their Orange Pi is booting. Now that things have settled down after the conference, I've had a chance to actually do some of the tutorial myself. These are my notes so I can remember what I did later... Pre-tutorial setup You need to do the pre-tutorial setup first. I use Ubuntu, which means its important that I use 18.10 or greater so that st-link is packaged. Apart from that the instructions as written just worked. You also need to download the image for the SD card, which was provided on the day at the conference. The URL for that is from github. Download that image, decompress it, and then flash it to an SD card using something like Balena Etcher. The tutorial used 32gb SD cards, but the image will fit on something smaller than that. hassos also doesn't put anything on the Orange Pi HDMI port when it boots, so your machine is going to look like it didn't boot. That's expected. For the tutorial we provided a mapping from board number (mac…