So is it possible to count the pulses at the outpt using PIC then and take a decision based on that (i.e. the frequency)?Originally Posted by Charles Linquis
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So is it possible to count the pulses at the outpt using PIC then and take a decision based on that (i.e. the frequency)?
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WHY things get boring when they work just fine?
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Since the 2nd opamp is functioning as an integrator, no pulses are output.
It is a filtered pure analog signal. So you need to acquire it by the A/D module of your controller.
What you are going to do next is a matter of programming.
You may have to look for rapid changes of the signal.
An Osciloscope would help here alot.
Ioannis
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