Frequency Counter with PIC Microcontroller


Posted on Feb 5, 2014

If you need more sensitivity, use 74AC04 or 74HC04 instead of 74HCU04 as U1. It may be better than 74HCU04, but the frequency response of 74HC04 may be worse.


Frequency Counter with PIC Microcontroller
Click here to download the full size of the above Circuit.




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