On 8/6/12 9:16 AM, Hal Murray wrote:
[email protected] 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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