Frequency Measurement

Author	Message
matherp Guru Joined: 11/12/2012 Location: United Kingdom Posts: 3388	Posted: 09:57pm 20 Jun 2018         Quote   The crystals I measure go up-to 27MHz so not sure how to make the MM measure that. I think this is possible by using the frequency as input to one of the PIC's timers and then reading the timer at intervals. I believe it could be done with a CFunction. Of course you will need a trivial circuit to convert the crystal output to a TTL signal as input to the timer