in POS system, cashier computer connect to printer using serial rs232 cable or usb. we need to capture data from that connection, and parsing the data to get total amount for each transaction at POS, then send it to database server via internet. if possible, using raspberry or arduino, also gsm modem to send the data. while capture the data, the POS pc still can print bill normally.
12 freelancers estão ofertando em média $486 para esse trabalho
HI , I am an expert in arduino. I can do the job on time and quality guaranteed. Please feel free to contact by sending a private messae here. Regards Er. Aman Kaushal
Hi we are a team of freelance software developers, if you contact me at our website we can discuss the details of the project. w w w . s o l ve r . i o