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PCB needed, this pcb will be microcontroller based, it will accept serial data change the format (asci) and send to printer with changed data, this is needed for reciept printers , example, data is sent to a printer that says "$ 20.00" on the printed reciept, but instead we want it to say "USD 20" , so this pcb will accept the data (i think 9600 baud serial), change the text and send to printer
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