Version 1 — 21×21 — This reads, “Ver1” Image: Autopilot
Version 2 — 25×25 — This reads, “Version 2” Image: Autopilot
Version 3 — 29×29 — This reads, “Version 3 QR code” Image: Autopilot
Version 4 — 33×33 — This reads, “Version 4 QR code, up to 50 char”
Version 10 — 57×57 — This reads, “Version 10 QR code, up to 174 char at H level, with 57×57 modules and plenty of error correction to go around. Note that there are additional tracking boxes”
Version 40 — 177×177 — This reads, “Version 40 QR code can contain up to 1852 chars.”
