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    David Kimura PRO said about 8 years ago on Bar Code Reader with Rails :

    I'll definitely look into this, but it does appear to be something a bit more application specific.

    My initial thoughts would be to use an android device and a javascript library. Since iOS does not allow for direct access to the camera with getUserMedia, you would have different functionality between platforms.

    Were you thinking of a USB Barcode scanner or something similar? I wonder if they make WiFi barcode scanners that can make an post to a web API.

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