Arudino board with 3 serial(RS 232) ports

Projects General Guidance
1

HI:

I'm planning to connect 3 barcode readers on to a single controller, and develop an evaluation program to compare the read values from barcode readers and initiate digital output.

Pl suggest me the right Arduino board to integrate 3 serial(RS232) devices.

Thanks

2

Arduino Mega2560 has 4 serials. I think that none of AVRs chip has 3 serials, only 1, 2 or 4.

3

You should also keep in mind that the Arduino boards' serial ports use TTL signal levels rather than RS232 levels which could damage the board. If your devices use RS232 signal levels you will need a level-shifter such as the MAX232 chip.

...R

4

Thanks all