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Homemade Barcode reader?

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johan_tr2000

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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
 

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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