Charles,
Reading from mag stripe cards is easy - but first you need to know what you
are reading - there are several different formats and several different
track types / numbers / protocols / formats, then you need the appropriate
head type to read what you need. USB is very difficult - and very very
expensive ... not a $10-00 job ... more like a $1000-00 job - just for the
development kit.
Writing mag stripe cards is not particularly difficult - however you need
the appropriate write head with the needed number of tracks on it and the
driver circuit to go along with it (also not that hard) ... you then need to
control the precise speed in which the track is written.
Or you could use a serial buffer IC with the clock input deriving from an
optocoder connected to say a rubber wheel that moves as the card goes
through the writer. Depends what you want to use it for.
J0n
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----- Original Message -----
From: "Charles" <hazenoff@...>
To: <Electronics_101@...>
Sent: Tuesday, October 23, 2001 1:39 PM
Subject: [Electronics_101] Plans I have been looking for
Hello all,
I'm new to this group, and have a special project .. was hoping I
could find some people to point me in the right direction.
I am building a magnetic strip reader / writer, and although I have
come across some very crude plans, I do not have access to any of the
parts that it ask for, or requires, and was wondering if there was a
way to take standard read write heads, and use them for this purpose,
and if you could find the circuit and plans needed to construct it.
Basicly, I want to be able to strole into Rat Shack, pop down 10
bucks, and come out with everything I need to build this lil unit,
with a serial, or better yet, a USB port so I can read the cards from
a computer, as well as write to them. Sounds like a fun project to me.
Get in touch with me at hazenoff@... if you have any info on a
project like this..
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