[time-nuts] web presentation of data

Jim Lux jimlux at earthlink.net
Mon Aug 6 13:11:17 EDT 2012


On 8/6/12 9:16 AM, Hal Murray wrote:
>
> jimlux at earthlink.net said:
>> what would be useful is to have some sort of "plotting engine" that is a
>> canned webpage (or stored locally on the user/client computer) that can
>> ingest fairly raw data from a URL..
> ...
>> A low end microcontroller has no problem serving readonly pages from  flash/
>> SD, it just has a tough time doing graphics.
>
> I'd do something like that in two separate steps:
>    The microcontroller would collect the data.
>    A separate job on a real computer would occasionally grab the data.
>
> I'm assuming we are discussing some sort of long running project.  The real
> computer has a bigger disk and some sort of backup/archiving setup so I'd
> want to get the data there anyway.  Once it's there graphics isn't a problem.
>


More like a field data collection system where you want to get at it via 
WiFi and a laptop.  I don't want a PC turned on all the time logging the 
data.  The arduino is perfectly suited to grabbing data periodically and 
writing it into a SD card, from which the webserver code can grab it.






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