RedPitaya 125-10 : Dimensions & Schematics - where are they

Placement, modules, components and accessories; the ones that exist and the the nice-to-be's
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mjdbishop
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Joined: Wed Feb 01, 2017 1:51 pm

RedPitaya 125-10 : Dimensions & Schematics - where are they

Post by mjdbishop » Wed Feb 01, 2017 2:06 pm

I have a 125-10, the "new" RedPitaya Lite on my bench and running.

Mechanical drawings and schematics don't seem to have been posted to the internet.

The v1.1 / 125-14 pdfs don't answer 125-10 specific questions; e.g. the locations of the Uart0 Gnd/Tx/Rx holes.

VMTiA

DrB

Nils Roos
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Location: Königswinter

Re: RedPitaya 125-10 : Dimensions & Schematics - where are t

Post by Nils Roos » Fri Feb 10, 2017 1:30 am

Hi,
the schematics have just been published here.

mjdbishop
Posts: 7
Joined: Wed Feb 01, 2017 1:51 pm

Re: RedPitaya 125-10 : Dimensions & Schematics - where are t

Post by mjdbishop » Fri Feb 10, 2017 11:55 am

Hi Nils

Thank you for the schematics, very much appreciated.

They confirm the Uart0 plumbing and explain the battery connector - I presume the battery 5V routes through the protection circuitry (i.e. it's tracked to the uUSB 5V pin).

If the dimensioned assembly drawings will be available soon, skip the following, otherwise pse advise the design values for:
- offsets to (Uart0) CN7 p1 from a datum ? I recon 23.6 mm from the fixing hole centre and 7 mm from the card edge
- offsets to (BAT) CN8 from a datum ?
- "obviously" the PTH are on 100 mil pitch

VMTiA; Best Regards DrB

Nils Roos
Posts: 1441
Joined: Sat Jun 07, 2014 12:49 pm
Location: Königswinter

Re: RedPitaya 125-10 : Dimensions & Schematics - where are t

Post by Nils Roos » Fri Feb 10, 2017 1:44 pm

Now there's also the 3D model, see the corresponding section of the docs.

mjdbishop
Posts: 7
Joined: Wed Feb 01, 2017 1:51 pm

Re: RedPitaya 125-10 : Dimensions & Schematics - where are t

Post by mjdbishop » Mon Feb 13, 2017 10:27 am

Hi Nils

I had noticed the step file lurking in the same directory, and have now used it to "take" the measurements.

A couple of comments from opening the step file with TurboCad 17 - very much your father's CAD:
- the file opens in Imperial (inch) units with inch for mm
- the model etc is initially invisible and the zoom scale / pan quite wrong
- the 0.1" pitch PTH only have an outline, not centre lines which makes snaping to them triksy

With 1-1 hindsight, the drill file for the bigger holes might have been an easier way to extract these dimensions.

FWIW my measurements of CN7 & 8 wrt the corner M3 fixing are:
CN7 (232) X 23.45 mm Y 4 mm (a 150 um delta in X from the original measurement on a CNC machine using a laser pointer to centre both holes)
CN8 (BAT) X 6.07 Y 1.05 mm

Again, Many Thanks; Best Regards DrB

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