El 24/11/2011 13:56, Miguel Gonçalves escribió:
Right! That is what I am doing.
The problem is the drift between adjustments. Arduino's clock is slow 25 ms
every minute and if temperature changes it will surely be different.
That is more than 400ppm error, that sounds quite high. Is the clock
frequency of the Arduino so drifted? I would try first to check (and
correct a bit) the source of that error. If the crystal frequency is ok,
perhaps there is an error in the programming of the timer that generates
the timing interrupt.
Regards,
Javier
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