Frequency counter 400Hz to 50MHz with PIC 16F84


Posted on Feb 7, 2014

It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400Hz to 50MHz. I used faster, 20MHz version of 16F84A-20I/P, and it managed to count 80MHz oscillator output.


Frequency counter 400Hz to 50MHz with PIC 16F84
Click here to download the full size of the above Circuit.




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