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Stuxnet49660126dAnswer with: "why the fuck don't you put enough light in that room?" lol
resolve with "request the barcodes to be printed inversed, using fluorescent ink"
bigus-dickus7790126dIf barcode scanners have like a light source (sort of like a camera flash) that gets triggered while scanning, would be a cool feature.
I'm not an expert so bear with me. I've used bar code scanners before but not in low light conditions. so I wouldn't how they would respond in such a scenario.
From what I've heard, bar-code scanners don't detect the 'bars' but instead the white-space between the bars so maybe, a little illumination might be of help.
Again, I may be utterly wrong to think this way.
@bigus-dickus yes, but they detect the white space by shooting out a line of laser (usually red) and recieving back its reflection from the white spaces. the bars themselves, being black, absorb it, making it recieve the reflection that has the striped pattern...
it's pretty easy to see the laser even in shops when they sometimes use the handheld one, and you can even see it "flashing", the frequency is so low. except it's not really a flashing line, since it's a laser, so the flash is a consequence of it running the point back and forth. it basically reads the thing like a morse code/binary/cd reading laser, "holes" and "hills".
jeeper4504124dAnd then the dev-god said: let there be light in your dark ass store room, and let there be gray matter between your ears to realize that you probably needed a proper laser scanner all along. And it was good.
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