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Kimtom2012-10-27 23:27:35
Do it yourself
Kimtom, 2012-10-27 23:27:35

LaunchPad, what and how?

Hello. I want LaunchPad to work 24/7 (it will poll the sensors every couple of minutes and, depending on the values, send signals to the relay) ...
So the question is : how adapted is it for such round-the-clock work?

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3 answer(s)
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northbear, 2012-10-28
@northbear

In embedded, nothing is guaranteed by the iron manufacturer at all. The maximum guarantees are the temperature conditions of a particular type of crystals and the probabilistic assessment of failures in unfavorable environments. Too much depends on the curvature of the hands of the harness developers (sensors and other peripherals) and software. And after them, it also depends on the installer and the operator ... Therefore, everything depends on you. With well-made strapping, correctly written software and temperature control of the external environment, it will work without problems.
Read about the hardware watchdog, for example. If the intervals for reading data from sensors are large enough, then you can do a hard reset after each cycle of reading, processing, sending data to the uplink. Thus, you will insure against the accumulation of software problems. The option is not without flaws, so see for yourself ...
In general, go for it ... There are no fundamental restrictions there.

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VasG, 2012-10-28
@VasG

Well, on their website they write that they do not guarantee anything, but only because it is not officially tested and certified (we are talking about finished products on Launchpad). Although people seem to use it, everything seems to be fine.
Tried to find proofs, but something to no avail now. Sorry, while I remain unfounded.
I myself play with him and also recently came to a similar issue.

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Kimtom, 2012-10-28
@Kimtom

Let's assume that the temperature regime will be in order. The code is also a minimum (in fact, a certain amount of if, else if). An interesting idea with reset after the read cycle (because it will be 2-3 minutes).
I'll try, thanks.

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