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12v 500ma output from rs232 pin 2 or 3

Posted on 2009-05-06
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Last Modified: 2012-05-06
I need to fire a cash drawer, I just need some data to flow for a split second from rs232 pin 2 or 3 at a voltage of 12v and 500ma,
is this possible,
is there some sort of code that can make this happen
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Question by:kempvet
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Callandor earned 2000 total points
ID: 24314173
It sounds like you need a custom-built circuit, as pins 2 and 3 are normally signal lines for send and receive on an RS-232 port.  Perhaps http://forum.allaboutcircuits.com/showthread.php?t=5451 will give you some ideas, if you are able to make your own circuits.  Also take a look at http://www.tkk.fi/Misc/Electronics/circuits/rspower.html
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Author Comment

by:kempvet
ID: 24320731
Callandor:
that's a reasonable answer,
on the website http://www.windmeadow.com/node/4
it appears that I would have to make my own circuit and use the RS232 to initiate the circuit,
it appears that it is not possible to get the result that I want directly from the RS232,
if this is the case, it is better to simpy buy another cash drawer as I don't have the time to build a circuit
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