On Feb 19, 2013, at 5:38 PM, Hal Murray <[email protected]> wrote:
> > [email protected] said: >> The actual electrodes instrumentation amp is pretty much working fine so no >> worries there. > >> My first tthought was a frequency to voltage IC like the LM2907 or the 2917 >> but I get the impresiion from the data sheets that these chips will not work >> at these very low 1 Hz applications, > > If you have clean pulses, connect them up to the PPS input on a PC serial > port. The rest is software. > Windows PC-based time stamping counter: http://leapsecond.com/tools/pctsc.c But I'd opto-isolate a PC serial port before I put it too close to my heart. /tvb Sent from my iPad/mini _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
