Cauzin Softstrip was the first commercial 2D barcode format, introduced in 1985 (en.wikipedia.org) 3 points by arduinomancer 1y ago ↗ HN
[–] superconduct123 1y ago ↗ Tech Tangents did a good video on that recentlyhttps://www.youtube.com/watch?v=mIGotStRCkAThe idea was you could use the scanner instead of manually typing in programs from magazines
[–] arduinomancer 1y ago ↗ I’m curious if this system would have some sort of checksum to know if the data was loaded correctly?I guess a more general question: do barcodes have checksums? Or QR codes for that matter?
2 comments
[ 3.0 ms ] story [ 27.5 ms ] threadhttps://www.youtube.com/watch?v=mIGotStRCkA
The idea was you could use the scanner instead of manually typing in programs from magazines
I guess a more general question: do barcodes have checksums? Or QR codes for that matter?