Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-30 Thread William Hermans 
So, I'd have to say there is no good advice on how to proceed in this
situation. Simply because it's not just hardware that needs to change. The
software, from the first stage boot loader all the way into the Linux
kernel and rootfs may have to be modified. Not to mention that it would be
hard enough to completely remove these peripherals on software, but making
them modular in a way that they will work when they're not connect, *OR*
connected . . . that will require a lot of work, I think.

Well, technically, I think that probably the best advice anyone could give
in this situation. Would be to just leave the hardware in place, and simply
disable the hardware through their drivers, somehow. Which may require
recompiling the kernel, without the needed drivers, for these peripherals,
on the board that do not need that specific functionality. Then put the
darned thing in a box, and no one will be the wiser.

On Sun, Apr 30, 2017 at 1:22 PM, Przemek Klosowski <
przemek.klosow...@gmail.com> wrote:

>
> On Sat, Apr 29, 2017 at 6:18 AM, Andrea Rondini <
> andrearondini1...@gmail.com> wrote:
>
>> But we have to depauperate RJ45, USB and uSD because we no need them and
>> we need to insert in the second modular board.
>>
>
> OK, but you still haven't explained why you're trying to do all those
> things, so it's hard to give you good advice. Are the connectors in the
> wrong location? You could use patch cables and panel connectors to relocate
> them, in a way that is actually supported by the design of the signaling
> they carry (Ethernet or USB). Are the connectors physically too large
> and/or in the way of your mechanical layout?
>
> Just unsoldering them, and carrying the signaling over some random
> collection of 0.1in through-hole connectors and jumper wires is likely to
> damage the integrity of the signals, and probably won't work reliably. It's
> just not something that looks attractive to a large group of BBB users, so
> it probably falls to you to experiment---unsolder the connectors you are
> interested in, and try them with makeshift daughterboards and/or jumpers.
> If you can show that it works and is useful, you'll have a better  chance
> of persuading others to work with you.
>
> BTW, when you say 'depauperate', do you mean 'depopulate'?
>
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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-30 Thread Przemek Klosowski 
On Sat, Apr 29, 2017 at 6:18 AM, Andrea Rondini  wrote:

> But we have to depauperate RJ45, USB and uSD because we no need them and
> we need to insert in the second modular board.
>

OK, but you still haven't explained why you're trying to do all those
things, so it's hard to give you good advice. Are the connectors in the
wrong location? You could use patch cables and panel connectors to relocate
them, in a way that is actually supported by the design of the signaling
they carry (Ethernet or USB). Are the connectors physically too large
and/or in the way of your mechanical layout?

Just unsoldering them, and carrying the signaling over some random
collection of 0.1in through-hole connectors and jumper wires is likely to
damage the integrity of the signals, and probably won't work reliably. It's
just not something that looks attractive to a large group of BBB users, so
it probably falls to you to experiment---unsolder the connectors you are
interested in, and try them with makeshift daughterboards and/or jumpers.
If you can show that it works and is useful, you'll have a better  chance
of persuading others to work with you.

BTW, when you say 'depauperate', do you mean 'depopulate'?

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-28 Thread Andrea Rondini 
Hello, should we create a modular card to which we can add and remove ports 
via DIP connectors (something like this 
https://www.digikey.com/catalog/en/partgroup/pppc-and-pptc-series/2709? Mpart 
= PPTC062LFBN-RC & vendor = 35) and insert external cards that make the 
interface with the necessary port.



Il giorno venerdì 28 aprile 2017 16:30:59 UTC+2, Przemek Klosowski ha 
scritto:
>
>
> On Fri, Apr 28, 2017 at 4:57 AM, Andrea Rondini  > wrote:
>
>> My problem is i've to midfy this board, not add an adpter.
>
>
> Perhaps you could explain what exactly do you want to do. From what you 
> said so far, it appears that you want to use the beagleboard as a 
> controller in some sort of musical instrument---but I am just guessing 
> based on snippets of information from several of your posts. It would be 
> simpler if you wrote down your requirements and plans---then people on this 
> group could give you advice based on their own experiences implementing 
> their own Beaglebone-based builds.
> It's quite possible that there are easier ways of accomplishing what you 
> want, but nobody will be able to help unless they know what's on your mind.
>
>
>

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-28 Thread Przemek Klosowski 
On Fri, Apr 28, 2017 at 4:57 AM, Andrea Rondini  wrote:

> My problem is i've to midfy this board, not add an adpter.


Perhaps you could explain what exactly do you want to do. From what you
said so far, it appears that you want to use the beagleboard as a
controller in some sort of musical instrument---but I am just guessing
based on snippets of information from several of your posts. It would be
simpler if you wrote down your requirements and plans---then people on this
group could give you advice based on their own experiences implementing
their own Beaglebone-based builds.
It's quite possible that there are easier ways of accomplishing what you
want, but nobody will be able to help unless they know what's on your mind.

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-28 Thread Andrea Rondini 
My problem is i've to midfy this board, not add an adpter.
Sorry :(

Il giorno giovedì 27 aprile 2017 20:30:00 UTC+2, William Hermans ha scritto:
>
> Andrea,
>
> Maybe this will solve your problem: https://www.adafruit.com/product/909
>
> There are also panel mount USB pass through cables too. I'm not sure if 
> adafruit has them, but if not amazon has them for sure.
>
> On Thu, Apr 27, 2017 at 9:59 AM, William Hermans  > wrote:
>
>> Seems I was not awake, enough, before I read the post. But was still good 
>> for a laugh while I was off in left field somewhere. But changing out 
>> ethernet, *AND* USB for DIP connectors is still odd to me. I'll just chalk 
>> that up to me not being an EE, and move on with my life.
>>
>> Andrea, OrCAD is a very expensive piece of software that requires a skill 
>> set from an engineer who has spent years mastering the software, and 
>> electronics design concepts in general. Normally, when changes are made to 
>> a design of this nature, you're not going to get these changes made free of 
>> charge.
>>
>> I only know this because my buddy has spent 30 + years in the electronics 
>> field, and many years of that working with the OrCAD, or similar software. 
>> Also keep in mind what I'm about to say is not an offer at all, but rather 
>> a statement. He could make these changes, but because of his large time 
>> investment using the software, and considerable amount of time studying 
>> electronics in general. Those would not be free, or even cheap.
>> ​
>>
>
>

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread William Hermans 
Andrea,

Maybe this will solve your problem: https://www.adafruit.com/product/909

There are also panel mount USB pass through cables too. I'm not sure if
adafruit has them, but if not amazon has them for sure.

On Thu, Apr 27, 2017 at 9:59 AM, William Hermans  wrote:

> Seems I was not awake, enough, before I read the post. But was still good
> for a laugh while I was off in left field somewhere. But changing out
> ethernet, *AND* USB for DIP connectors is still odd to me. I'll just chalk
> that up to me not being an EE, and move on with my life.
>
> Andrea, OrCAD is a very expensive piece of software that requires a skill
> set from an engineer who has spent years mastering the software, and
> electronics design concepts in general. Normally, when changes are made to
> a design of this nature, you're not going to get these changes made free of
> charge.
>
> I only know this because my buddy has spent 30 + years in the electronics
> field, and many years of that working with the OrCAD, or similar software.
> Also keep in mind what I'm about to say is not an offer at all, but rather
> a statement. He could make these changes, but because of his large time
> investment using the software, and considerable amount of time studying
> electronics in general. Those would not be free, or even cheap.
> ​
>

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread William Hermans 
Seems I was not awake, enough, before I read the post. But was still good
for a laugh while I was off in left field somewhere. But changing out
ethernet, *AND* USB for DIP connectors is still odd to me. I'll just chalk
that up to me not being an EE, and move on with my life.

Andrea, OrCAD is a very expensive piece of software that requires a skill
set from an engineer who has spent years mastering the software, and
electronics design concepts in general. Normally, when changes are made to
a design of this nature, you're not going to get these changes made free of
charge.

I only know this because my buddy has spent 30 + years in the electronics
field, and many years of that working with the OrCAD, or similar software.
Also keep in mind what I'm about to say is not an offer at all, but rather
a statement. He could make these changes, but because of his large time
investment using the software, and considerable amount of time studying
electronics in general. Those would not be free, or even cheap.
​

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread Andrea Rondini 
What do you mean? 😄

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RE: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread Andrea Rondini 
It's a good start.
If you can make these change you just help me a lot.

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread William Hermans 
removing -> changing.

On Thu, Apr 27, 2017 at 9:16 AM, William Hermans  wrote:

>
>
> On Thu, Apr 27, 2017 at 9:00 AM, Gerald Coley 
> wrote:
>
>> I could modify the DSN file, but I am on a diet, trying to cut back on
>> all the free work I have been doing lately.
>>
>>
>>
>> The DSN file is only the schematic, it will not change the PCB.
>>
>
> lol, you did better than me. I'm still stuck on the part where "we're"
> removing all interfaces with the outpside world to DIP switches . . .
>

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Re: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread William Hermans 
On Thu, Apr 27, 2017 at 9:00 AM, Gerald Coley 
wrote:

> I could modify the DSN file, but I am on a diet, trying to cut back on all
> the free work I have been doing lately.
>
>
>
> The DSN file is only the schematic, it will not change the PCB.
>

lol, you did better than me. I'm still stuck on the part where "we're"
removing all interfaces with the outpside world to DIP switches . . .

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RE: [beagleboard] Re: Depauperate Beagle Board Green

2017-04-27 Thread Gerald Coley 
I could modify the DSN file, but I am on a diet, trying to cut back on all the 
free work I have been doing lately.

The DSN file is only the schematic, it will not change the PCB.

Gerald

From: beagleboard@googlegroups.com [mailto:beagleboard@googlegroups.com] On 
Behalf Of Andrea Rondini
Sent: Thursday, April 27, 2017 8:55 AM
To: BeagleBoard 
Subject: [beagleboard] Re: Depauperate Beagle Board Green

This is DSN File.

Il giorno giovedì 27 aprile 2017 15:46:58 UTC+2, Andrea Rondini ha scritto:
Hi to everyone.
I need your help, because I have to remove any connectors on the board.
Specifically, I have to create a board with DIP connectors instead of RJ45 
connector, USB Power Connect, USB and external connectors.
Can you help me? I have problems with OrCad. Every time I try to change an item 
I have always been mistaken and can not change the board on PCB EDITOR.
Please help me.
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