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#31
Does it have to be a DB9?
Better to use a smaller connector type, like micro-D or something.
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Posts: 562 | Thanked: 2,744 times | Joined on Dec 2013 @ Espoo, Finland
#32
Originally Posted by jesper View Post
Does it have to be a DB9?
actually it is DE9 ... but that is another story.

I have given lots of thoughts for another connectors.. then the toh needs to include this adapter cable, but mjaa it shouldn't be a problem.
Micro D is one option, but it is not so Micro afterall..

Maybe then go even more miniature... something like JST SHL or whatever... >10⁷ different connectors out there...
This would keep the TOH slim, no overhangs. IR (and IRDA) usable, fits in pocket, not blocking phones own connectors, and with the adapter cable get access to RS232 pins in standard D9.

You pushed, i iterate.
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#33
Would be nice to have a connector to TTL, so I could use my video terminal (https://code.google.com/p/tinyvt/) on it.
 
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#34
Long time no update. Actually the design has been frozen for a year now.

Today i managed to progress it to level - order PCB's for first version



This is what i ended up with:
  • RS-232 available in DE-9 connector
  • Logic level signals in pinheader, external supply 2.5V to 5V, or internal 3.3V
  • When voltage in VIN pin present, RS-232 disabled
  • IrDA port (assembly alternative with pinheader)

Then some 3D design...
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#35
Originally Posted by kimmoli View Post
Long time no update. Actually the design has been frozen for a year now.

Today i managed to progress it to level - order PCB's for first version

https://lh6.googleusercontent.com/-k...art-leiska.jpg

This is what i ended up with:
  • RS-232 available in DE-9 connector
  • Logic level signals in pinheader, external supply 2.5V to 5V, or internal 3.3V
  • When voltage in VIN pin present, RS-232 disabled
  • IrDA port (assembly alternative with pinheader)

Then some 3D design...
Preorders?
Iam in!
 
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Posts: 562 | Thanked: 2,744 times | Joined on Dec 2013 @ Espoo, Finland
#36
built picocom for jolla, made a test driver that creates a pseudo-terminal like /dev/pts/1
works.
hope that the China newyear/spring festival doesnt delay pcb delivery too much.
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#37
Originally Posted by kimmoli View Post

[*]RS-232 available in DE-9 connector
Thank you for not writing DB-9!
 
Posts: 1,038 | Thanked: 3,980 times | Joined on Nov 2010 @ USA
#38
Originally Posted by kimmoli View Post
built picocom for jolla, made a test driver that creates a pseudo-terminal like /dev/pts/1
works.
hope that the China newyear/spring festival doesnt delay pcb delivery too much.
Although the holiday is technically something like 2 weeks long, the production delay never seems to be anywhere that that bad in my experience.
 
Posts: 1,289 | Thanked: 4,318 times | Joined on Oct 2014
#39
Hey kimmoli

Just waiting to purchase this one
 
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Posts: 562 | Thanked: 2,744 times | Joined on Dec 2013 @ Espoo, Finland
#40
Still waiting for PCBs to arrive, shipped during MWC (but not shown on tracking yet )
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