[Skimmertalk] Red Pitaya set up with N6TV's instructions

[N4ZR]

I bought a 25mm 5V muffin fan from Mouser, which fits perfectly in the 
predrilled plastic case. It has the right connector on it to fit the 
board's fan connector.

73, Pete N4ZR
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On 10/4/2017 4:27 PM, Bob Wilson, N6TV wrote:
> Congrats Wes!
>
> Yes, the aluminum case needs cooling as well, but obviously it provides
> better shielding than the plastic case.  Small 5V fans can be ordered from
> Mouser at the same time that you order the Red Pitaya, though it's tricky
> to connect the power cable inside (not much room left to get something on
> the 2-pin header that supplies 5V).  I also had to drill some threaded
> holes in the top center of the case (right into the heatsink) to mount the
> fan.
>
> As for ready-to-go SD cards, Pavel Demin has made new card images with an
> improved operating system that fixes many of the limitations I reported
> with his original images.  Unfortunately he's not using Ubuntu, the OS that
> ships with the Red Pitaya.
>
> Details here:
>
> http://pavel-demin.github.io/red-pitaya-notes/alpine/
>
> But if you already have everything working with Ubuntu, no need to start
> over.
>
> 73,
> Bob, N6TV
>
> On Wed, Oct 4, 2017 at 11:30 AM, Wes Cosand <wes.cosand at gmail.com> wrote:
>
>> Just a note to say that I received a RP board and got it going in a couple
>> days using N6TV's excellent instructions.
>>
>> http://hamsci.org/n6tv-red-pitaya-combine-cw-rtty-skimmer-hdsdr
>>
>>
>> I can remember the frustration every time I tried to work in a different
>> biochemistry lab -- the frustration of being a true "newbie" and *everybody
>> *knowing more than you do.  *"I can't even find the pipette drawer!*"  That
>> frustration came back this week trying to get the RP going and you will
>> probably experience it also.  But don't fear.  Bob's instructions will
>> guide you through it -- just takes some time.
>>
>> Just as Bob warns, cooling is an issue.  I don't have the plastic case --
>> just the aluminum one where the entire case tries to be a heat sink.  But I
>> stuck an old CPU cooling fan on top and it is running at about 44 degrees
>> C.  With a frequency correction factor of "1" I am getting the same
>> frequencies as on the gps-disciplined QS1R on all the HF bands.
>>
>> If we use this board for any RBN gap filling I would suggest that we
>> install the necessary software on the SD card and ship it with some kind of
>> cooling solution.
>>
>> Wes WZ7I
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