Point of Sale ( POS ) Controller

 
Point of Sale ( POS ) systems are used in supermarkets, restaurants and shops. The POS controller offers a low cost embedded solution which can be expanded with networking options to build a large network of POSs.

The POS-I is a versatile design, aimed at providing all features essential in a POS at a low cost of ownership. It provides interface ports to printers, PC connectivity through serial port, separate port for bar code reader, different display options, non-volatile storage of transactions, and features for networking 31 stations onto a single serial port on the PC.

Software features provided include simple Windows based programs, whereby the user can change his key designations, rates, etc.
 

The POS-I system consists of :
Atmel 8052 microcontroller
Real Time Clock
Display Options :  Seven Segment Display interface
  Backlit LCD display
Parallel Port to connect to printers
32 KB In-built memory to store 1000 transactions
Serial port for interface to Barcode Reader
Dedicated keypad with > 400 keys
RS 485 serial port for PC-connectivity
 
Special features :
The system features include :
User features :
Driver for standard 24 col. Citizen printers ( parallel port )
Seven Segment Display and LCD driver ( max. 40 chars  x 4 lines )
Bar Code Reader Connectivity
Keypad configurable as required
Cascading of 31 units on a network
Connectivity to PC
 
User Software on PC to :
Upload all transactions in any POS on the network
Download key settings, rates
Download standard discounts
Set Configuration :  POS-I id, 
Header information ( while printing ), 
Special footer information