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Hi Dick Ok It was worth checking, as these things
get more processing power it becomes possible....I am probably talking of 10
year old product, where we saw that problem.
----- Original Message -----
Sent: Sunday, May 10, 2015 9:03 PM
Subject: Re: [Raspberry_Pi_4-Ham_RADIO]
Re: multimeters with a USB interface linux?
The article at linuxtoys.org suggests that it is ASCII data. I
seem to remember that my Chinese made cheap DMM with RS-232 also responded as
ASCII strings when I looked at it as a 1200bd serial port (under windows) with
my USB to RS-232 adapter. A quick check on the RPi2 also had results
using a terminal emulator and /dev//ttyUSB0. Not gone further than
A good start might be to 'sniff' the serial data using original
Windows software and see what the protocols are but that needs an older window
machine if the software won't run on Win7