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I'm trying to read a Data Matrix code from a laptop PCB but ZXing is not reading it:
The actual code size is about 6mm x 6mm.
I tried my Motorola Edge 20 with ZXing and a few other android QR and Data Matrix apps, as well as about seven online QR and Data Matrix scanner sites, nothing works...
Except for ... a collegues Samsung phone (I think it is a Galaxy bought in 2022) using the standard camera app, it picks it up in milliseconds.
The camera app on my Motorola Edge 20 (Android 12) has a Macro mode, that does not read it either. The ZXing app is unable to use that Macro mode so the standard mode is used. I took a photo of the code and opened it on my Windows Desktop and tried scanning the screen using the ZXing Android app, it did not recognize it.
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I'm trying to read a Data Matrix code from a laptop PCB but ZXing is not reading it:
The actual code size is about 6mm x 6mm.
I tried my Motorola Edge 20 with ZXing and a few other android QR and Data Matrix apps, as well as about seven online QR and Data Matrix scanner sites, nothing works...
Except for ... a collegues Samsung phone (I think it is a Galaxy bought in 2022) using the standard camera app, it picks it up in milliseconds.
The camera app on my Motorola Edge 20 (Android 12) has a Macro mode, that does not read it either. The ZXing app is unable to use that Macro mode so the standard mode is used. I took a photo of the code and opened it on my Windows Desktop and tried scanning the screen using the ZXing Android app, it did not recognize it.
Any ideas?
[EDIT]
Looks like it is the circles regarding WhiteRectDetector.
https://stackoverflow.com/questions/48908115/how-to-scan-a-dpm-datamatrix-from-a-mobile-app
[EDIT2]
For anyone who is looking for a Direct Part Mark scanner (dots instead of squares): The Cognex scanner can read it.
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