[Arm-dev] cheap adapter for the serial ports

Tue Jan 5 14:48:37 UTC 2016
Troy Dawson <yortnoswad at gmail.com>

On Tue, Jan 5, 2016 at 5:04 AM, Robert Moskowitz <rgm at htt-consult.com>
wrote:

>
>
> On 01/05/2016 03:12 AM, Manuel Wolfshant wrote:
>
>>  Robert Moskowitz wrote:
>>
>>> You can get the converters really cheap on ebay.  Every board I have has
>>> one permanently installed, so I can always get into the console.  I buy
>>> them in a 5 unit lot from a china supplier at $5 for the lot.
>>>
>> Could you please share the name/URL of the supplier you use, please ?
>>
>
> Sure,
>
> I just ordered to restock my supply:
>
>
> http://www.ebay.com/itm/5PCS-NEW-CP2102-USB-2-0-to-UART-TTL-6PIN-Module-Serial-Converter-Free-Cables-GM/262136735143?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20131017132637%26meid%3D782c6d9e9b6347849be5bcf90bc3e659%26pid%3D100033%26rk%3D3%26rkt%3D4%26sd%3D271855289144
>
> But simply put
>
> USB TTL
>
> Into your ebay search and you will find plenty of these.  Choose what best
> fits your sourcing, quantity, delivery schedule, style.
>
> All my arm boards have one permanently installed for console access.  I
> only need 3 wires:  TX, RX, GRD.
>
> This is why I am upset with the pcDuino Nano Lite in that I cannot get one
> working on it.  I am actually going to rate this board as a "don't buy" for
> a server platform becuase of it.  I look at this as a much better way to
> manage a lot of servers than a KVM box that I use to use with my Intel
> servers.
>
>
Hi Robert,
If you have an image around, you might want to try the Fedora 22 image on
the pcDuino3 Nano Lite.
Before F23 the board had a problem in that you couldn't get the uboot
information out of HDMI.  From what I was told it was only going out the
serial console.
Maybe with a little tweaking with uboot we can get both HDMI and serial
port working.



> Yes I can and do use SSH a lot, but there are times when things are not
> working that you want that physical connection.
>
> I also use screen in an SSH session to run a big command, so if I loose my
> SSH session, I don't have the command prematurely ended. REALLY worth doing
> on a remote 'yum update'!
>
>
>
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>
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