[time-nuts] Multiple Voltage monitoring

Lux, James P (337C) james.p.lux at jpl.nasa.gov
Fri Jul 31 13:12:54 UTC 2009


The $25 widget from Dataq.  4 channels, 10 bits, serial port
http://www.dataq.com/products/startkit/di194rs.htm

They have others.

I've also used the Eval boards from Maxim or Nat Semi, but these day's they're usually USB.  Sometimes, the protocol isn't published, but is trivially reverse engineerable from the demo program and a line monitor (inevitably, they talk USB, but emulate a COM port on the PC) OR they'll tell you the protocol if you ask.


On 7/30/09 9:00 PM, "Matt Ettus" <boyscout at gmail.com> wrote:

Does anyone have a good solution for monitoring 4-8 different voltages
at the same time?  I only need a sample rate around 1-2 Hz, but would
need GPIB, serial, or ethernet support with protocol documentation.

Any help identifying a solution other than 8 voltmeters would be much
appreciated.

Thanks,
Matt

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