Hardware interface with Intel based systems is easy with Realbasic. I wrote
a POS system for mini-marts for the Thai market a couple of years ago and
chose a USB barcode scanner that emulated a keyboard and a USB based receipt
printer. Very easy to deal with. The cash draw was only slightly harder
needing a few serial commands. Just difficult enough to be enjoyable.
BTW, stay away from LED based Barcode scanners, they don't produce enough
light to use easily for the store clerk. I found clerks using the
miscellaneous category often because they couldn't get the scanner to read
difficult codes with the LED unit. Reeked havoc on my inventory.
-Scott.
-----Original Message-----
From: realbasic-nug-bounces at lists dot realsoftware dot com
[mailto:realbasic-nug-bounces at lists dot realsoftware dot com] On Behalf Of
Ryan Dary
Sent: Monday, April 30, 2007 5:11 AM
To: REALbasic NUG
Subject: Writing custom POS software
Hello. Does anyone have some experience they'd like to share? I'm
going to be working on some custom POS (Point-of-Sale) software for a
client. They need some good used POS hardware, and I need to know how
to interface it with REALbasic.
Perhaps someone can tell me what kind of hardware to look for, and some
examples of how to interface with the hardware.
Initially, we just need some receipt printing and cash drawer opening.
The computer that will be used will be either an old 400 Mhz iMac with
Mac OS X 10.2 or 10.3, or some old 400 Mhz Pentium III PCs running
Fedora Core.
Thanks,
Ryan Dary
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