[time-nuts] Need usb time interval time for portable bullet chrongraph
Tom Van Baak (lab)
tvb at leapsecond.com
Mon Aug 27 04:06:10 UTC 2012
See http://leapsecond.com/pic/picpet.htm and contact me offline for the USB part.
What do you use for sensors: acoustic, optical, seismic?
On Aug 26, 2012, at 10:48 PM, Paul Cianciolo <paulc at snet.net> wrote:
> Hello Folks
> I have been looking at bullet chrographs and wondering if I could get the a usb module to do a interval measurement and display on my laptop.
> on a yet to be discovered module to calculate the time interval between the pulses?
> The bullet travels at approx 1050 feet per second.
> By spacing my gates providing the start stop pulses precisely 1 foot apart I think a direct read out except for the decibal point being in the wrong place .
> Does this seem fesable?
> Here is one module I found http://www.weedtech.com/index_eventcount.html
> Any thoughts on this?
> The reason for the USB would be for display on my laptop at the firing range
> Thank you for any help I would really appreciate it
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