This tag should be used for questions on how to generate, decode, or use barcodes in programs.

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3
votes
3answers
482 views

How to structure an application which reads UPC barcodes

I have no previous experience on creating a project for a seller which will use barcode reader. I am trying to put together a small project but I cannot figure out how the pieces should glue together. ...
8
votes
3answers
702 views

What Is The Formula for the 3 of 9 Bar Code Alphabet?

Background: 3 of 9 Barcode Alphabet A simple syntax for 3 of 9 bar codes What is the formula behind the alphabet and digits in a 3 of 9 bar code? For example, ASCII has a relatively clear ...
5
votes
2answers
4k views

Micro QR Code Generator with minimal error correction [closed]

I am searching a Micro QR Code Generator that fulfills the following requirements: At least 20 characters encoded Minimal error correction (required to get the 20 characters stuffed in) I already ...
7
votes
1answer
417 views

Patient Record Tracking System

Background At a medical facility, staff can remove patient records (file folders) from a room. The room is locked using a standard tumbler lock (i.e., no swipe cards). The medical facility does not ...