[TriEmbed] Raspberry Pi 2 rocks...

Kyle Thorson kthorson at pobox.com
Fri Apr 3 14:39:58 CDT 2015


I am ordering a few 3.5mm DIY 4-Pole (TRRS) Plugs (
http://www.adafruit.com/products/1799) from Adafruit to make my own cable.
I think I will make up a few in case others are in need.

Kyle

On Fri, Apr 3, 2015 at 3:14 PM, Rodney Radford <ncgadgetry at gmail.com> wrote:

> Carl, please look at the link I provided - the sleeve is not always ground
> and is not for the Raspberry Pi 2 and several other devices listed on that
> link.
>
> There is no standard, unfortunately. ..
> On Apr 3, 2015 3:06 PM, "Carl Nobile" <carl.nobile at gmail.com> wrote:
>
>> Kyle,
>>
>> Off the cuff I would say any stereo cable would work. Like an extension
>> headphone cable. All audio connectors of this type have a at least  a tip,
>> rings and sleeve. The sleeve is always the ground and the other would be
>> left and right channels. In the case of an RPi the tip is the microphone
>> and the ring is video and the sleeve is the ground for both.
>>
>> Carl
>>
>>
>> On Fri, Apr 3, 2015 at 1:38 PM, Kyle Thorson <kthorson at pobox.com> wrote:
>>
>>> I ran across that URL as well.  That is the best explanation I have come
>>> across. I verified that my cable has ground wired to the ring at the
>>> sleeve.  The RPi2 requires video to be wired at the sleeve and ground as
>>> the next ring.  I was hoping someone might know where to find a cable that
>>> is wired the correct way for the Pi.  Is the RPi2's layout a UK thing? I
>>> may just make my own cable, but I didn't want to mess with that if I could
>>> help it.
>>>
>>> Kyle
>>>
>>> On Fri, Apr 3, 2015 at 11:05 AM, Rodney Radford <ncgadgetry at gmail.com>
>>> wrote:
>>>
>>>> Kyle, this article describes the correct pinout for that cable:
>>>>
>>>>
>>>> http://www.raspberrypi-spy.co.uk/2014/07/raspberry-pi-model-b-3-5mm-audiovideo-jack/
>>>>
>>>> Not all 4-wire to RCA cables are wired the same way as there is no
>>>> standard for this cable.
>>>>
>>>>
>>>> On Thu, Apr 2, 2015 at 3:30 PM, Kyle Thorson <kthorson at pobox.com>
>>>> wrote:
>>>>
>>>>> How any of you are playing with the Pi?  I just picked up a RPi2 and
>>>>> need to find a working composite cable for it.  The one I have on hand
>>>>> isn't wired the same way as the RPi2.  I need to find a cable with a 3.5
>>>>> side in the configuration from the sleeve: video, ground, audio, audio.  I
>>>>> am pretty sure my cable has ground in the wrong place. I am going to check
>>>>> which ring is ground tonight. I was about to order a new cable, but no one
>>>>> lists their wiring diagrams.  Does anyone know of a particular brand of
>>>>> cable that works with the RPi2?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Kyle
>>>>>
>>>>>
>>>>> On Thu, Apr 2, 2015 at 2:50 PM, Rodney Radford <ncgadgetry at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> This is an interesting review of the new Raspberry Pi 2.  I really
>>>>>> liked some of the quotes and comments that state that the Pi was never
>>>>>> meant to be a cheap way to have a general purpose computer. It was
>>>>>> initially designed as an educational system and is being heavily used as an
>>>>>> embedded system.  If you take into consideration it's market, it is still a
>>>>>> great product.
>>>>>>
>>>>>> There are other, faster, embedded systems - some at a reasonable
>>>>>> price point to the Pi, but when you compare the cost, features, ease of
>>>>>> use, and the long list of developed apps/tools/libraries for it, it is in a
>>>>>> class by itself.
>>>>>>
>>>>>>
>>>>>> http://eengenious.com/raspberry-pi-2-the-reviews-are-in-this-beast-rocks/
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Triangle, NC Embedded Computing mailing list
>>>>>> TriEmbed at triembed.org
>>>>>> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org
>>>>>> TriEmbed web site: http://TriEmbed.org
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>> _______________________________________________
>>> Triangle, NC Embedded Computing mailing list
>>> TriEmbed at triembed.org
>>> http://mail.triembed.org/mailman/listinfo/triembed_triembed.org
>>> TriEmbed web site: http://TriEmbed.org
>>>
>>>
>>
>>
>> --
>>
>> -------------------------------------------------------------------------------
>> Carl J. Nobile (Software Engineer)
>> carl.nobile at gmail.com
>>
>> -------------------------------------------------------------------------------
>>
>
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