I need an app to run on the Raspberry Pi (Zero preferably) (Linux) which can achieve the following;
1 - POS Computer connected to Raspberry Pi (via USB or Serial(R232))
2 - Raspberry Pi connected to a POS Printer (via USB or Serial(R232))
3 - When POS sends print command to printer, Raspberry sniffs the RAW stream(Kind of man in the middle) and convert it to a text file
Basically goal is to capture data and turn it into a text formatted file.
We need this data so that we can store digital receipts from our POS.
If you think you can develop this app then make a bid!
Thanks for looking.
**Project may need PCB and circuit design**
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