[time-nuts] RPi/ beagle bone-like computer without video

Bob Camp kb8tq at n1k.org
Wed Nov 30 19:46:57 EST 2016


Hi

There are a nearly infinite number of ARM based modules and boards. They all are very much 
a “same / same” sort of thing. They are far more alike than they are different. That’s not to say 
that they are interchangeable, far from it. The issue for low volume is often more the toolchain 
(and it’s cost(s)) rather than the hardware.

Bob


> On Nov 30, 2016, at 7:40 PM, Attila Kinali <attila at kinali.ch> wrote:
> 
> On Wed, 30 Nov 2016 12:42:51 -0800
> jimlux <jimlux at earthlink.net> wrote:
> 
>> I'm looking for a small linux single board - similar to RPi or 
>> Beaglebone Black, but don't need the HDMI, or video stuff.
>> Preferably without weird connectors, and available for wide temperature 
>> ranges (it's for a data logger/collector in the field)
>> 
>> What's out there?
> 
> If you can acommodate SO-DIMM connectors, then I probably would go for
> modules by Toradex[1] or aries[2]. I know that both companies do a good
> job of getting complete support for their SoCs and the modules upstream
> (very important if you want it to just work) and I also know people I can
> kick if something doesn't. A friend also pointed me at [3], but I don't
> know how good they are.
> 
> Generally speaking, if you google for "ARM SOM" you will get lots of
> results, some of them specially made for industrial environments.
> The connectors vary a lot and are too often high density connectors.
> Though usually not going below 1mm pitch. SO-DIMM has kind of become
> a standard formfactor for a lot of those modules (but all with
> different pin-outs!). Outside the ARM sphere, there is very little else.
> MIPS processors are mostly networking and video coding SoC's, so probably
> overpowered for your application. There are the Intel based Minnowboards,
> but they are bascially full fledged PCs with low power consumption.
> (I have a Minnow Turbot here, I really like it, tiny as it is, but it's
> a heavy handed beast compared to the ARM boards)
> 
> HTH
> 
> 			Attila Kinali
> 
> [1] https://www.toradex.com/
> [2] http://www.aries-embedded.de/
> [3] http://www.variscite.com/products/system-on-module-som/cortex-a8/var-som-am33-cpu-ti-am335x-am3354-am3352
> 
> -- 
> Malek's Law:
>        Any simple idea will be worded in the most complicated way.
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