qr-code
Topic | Replies | Views | Activity | |
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Creating a warning sign if a QR/barcode is scanned twice |
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2 | 1681 | January 19, 2020 |
QR question won't work - help please! |
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27 | 4265 | September 20, 2019 |
Digitizing hardcopy answers using QR/ bar code |
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1 | 922 | September 2, 2019 |
How to prevent from scanning a duplicate card with QR codes in it? |
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1 | 1667 | August 22, 2019 |