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by Caleb9849
Thu Feb 23, 2012 5:32 am
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<t>Wow, that actually looks a lot more like what we were looking for originally as a main operating platform for the controller software, before I discovered the Raspberry Pi and proposed it as a solution.  I see a 2-line text LCD there, is the programmer able to control that?  We've already ordered...
by Caleb9849
Thu Feb 23, 2012 12:46 am
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<t>Chris Rowland said: <br/> <br/> <br/> There's been a number of things like this, such as Mel Bartels scope drive system. This uses the parallel port of a PC to drive two stepper motors, but it has to run under DOS.  This is because Windows will take over the CPU for enough time to give unacceptab...
by Caleb9849
Tue Feb 21, 2012 11:24 pm
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<t>drgeoff said:<br/> <br/> <br/> My mention of absolute accuracy was to do with to what extent your notion of "one second" needs to agree with what everyone else thinks is one second.  That depends on what you are doing.  Not sure that you have explained that well enough and I'm even less sure I wo...
by Caleb9849
Tue Feb 21, 2012 7:24 pm
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<r>Thanks Liz! <br/> <br/> <URL url="https://www.globaleqplatform.com/">https://www.globaleqplatform.com/</URL><br/> <br/> There's our forum, for Timothy and any other interested astronomers.  Feel free to look around, or register and post if you have questions/suggestions <br/> <br/> drgeoff said: ...
by Caleb9849
Tue Feb 21, 2012 7:02 pm
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<t>Thanks for the quick replies, guess this forum is pretty active <br/> <br/> Timothy Giles said:<br/> <br/> <br/> Gosh you have us other astronomers wonder what you are up to!! Any chance of spilling the beans!??<br/> <br/> <br/> Absolutely didn't want to make too bulky a post to begin with....tho...
by Caleb9849
Tue Feb 21, 2012 6:06 pm
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 12638

Re: A question about timing

<t>Hi all...<br/> <br/> I would like to use a Raspberry Pi for an astronomical project which requires very precise timing...it does *not* matter what "time of day" it is, but I've developed an application which needs to perform a series of computations and operations repetitively at a high rate whic...

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