tags : Custom Protocols, Creative Programming, Human Computer Interaction ( HCI ) Interesting links § QR codes https://github.com/kochrt/qr-designer (maybe port this to go?) Art QR Code Design by minor on Dribbble https://art-qrcode.com/ (archived) https://github.com/ciaochaos/qrbtf 10 > 64, in QR codes | Huon on the internet qrquine: a QR code based quine