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  1. #1
    Full Member level 1
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    homemade barcode scanner

    Hi,
    Any one have designed the hardware and software? with microcontroller?
    Can you share with me?

    THX
    Tr2000

    •   Alt8th May 2003, 04:46

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  2. #2
    Junior Member level 2
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    homemade barcode reader

    Simplest way to do this is to get hold of an SE923 Barcode engine from Symbol [www.symbol.com]

    The documentation is on-line (large PDF file), This engine has a decoded output, so that all you have to do is implement a TTL Serial interface between the Microcontroller and the 923, and you receive a character stream corresponding to the barcode.

    Requires 3.3 - 5V supply, ground, Tx, Rx, CTS, RTS. 12 pin connector but most of the pins are not needed, they are *Redundant* pins from older handheld barcode scanner.

    Size is approximately 20mm * 15mm * 10mm so is idea for an embedded solution, they also have a larger decoded version SE1223 which is 40mm * 25mm * 20mm and cheaper in price as I remember.

    Hope this helps.



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