For anyone interested, the qr code system is AprilTags: <a href="https:&#x2F;&#x2F;april.eecs.umich.edu&#x2F;wiki&#x2F;index.php&#x2F;AprilTags" rel="nofollow">https:&#x2F;&#x2F;april.eecs.umich.edu&#x2F;wiki&#x2F;index.php&#x2F;AprilTags</a> Works like QR codes but is optimized for CV tasks and works well on embedded systems.