Comment by Janine Charnley: "It’s also a good idea to check your poster through a colour contrast analyser - this will let you know if your poster will be easy for everyone to read. I use: https://www.tpgi.com/color-contrast-checker/"
Reply by Ankit about the QR code included in one of the posters in his presentation: "The QR code provides access to a full length article PDF. "TO READ MORE" is written next to the QR code."
The second to last slide in Ankit's presentation lists some useful resources: