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Subject: Question: How can I build a computer controled timing curcuit?

Date: 06/12/00 at 9:50 AM
Posted by: Matthew Wright
E-mail: wright@phys.uconn.edu
Message Posted:

I am currently trying to design a timing curcuit that
could be controled by digital or analog output from a
computer. It needs to vary from 4 msec to 50 msec.

I have two thoughts. One is to use a JFET as a variable
resistor for a monostable and the other is to use a pot
that would be controlled with the output if the serial
port.

Any ideas? Does any of my approaches sound good?


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