Re: Inexpensive Digital Strip Chart Recorder

In article <42kqi7F1hi7q1U1@xxxxxxxxxxxxxx>, Hans-Bernhard Broeker <broeker@xxxxxxxxxxxxxxxxxxxxx> wrote:
>[Note: F'up2 cut down --- should have been done by OP!]
>
>In comp.arch.embedded Too_Many_Tools <too_many_tools@xxxxxxxxx> wrote:
>> I would agree...I am surprised that in today's world of electronics
>> that an inexpensive turnkey appliance is not available.
>
>While a paper strip recorder might have seemed a good idea back in its
>day, actually using one in this day and age would be a rather obvious
>waste of paper. The kind of device you're looking for is called a
>storage oscilloscope or data logger, these days, mostly depending on
>its typical sampling rate and number of channels.
>
>Any computer or PDA with decent sound hardware should suffice for a
>working, no-cost, software-only approach. Just connect your analog
>input to line-in (adapt level and impedance as needed), and record
>your signal as an audio stream, which you can later transform into
>whatever kind of plot or display you like. It won't be spectacularly
>accurate, granted, but it'll still outperform a paper strip plotter on
>all practical counts.
>

Later transformation pretty much is not what a stripchart is all about.
Real time control and observation! Position, zeroing, instant gain change, etc.
Don't forget writing next to the plot. Very simple.

The only thing I have used, is NI VI, which comes with acquisition cards.
Converts to Excel.

greg
.