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Good day to all of you in the forum.
I have seen a lot of projects on the web relevant to the frequency meter using PIC's. All of them send the measured frequency on an LCD.
I am asking if somebody knows a freq meter project in which the measured frequency is sent over the serial output.
Thanks for helping.
regards,
Ambrogio
Take any of those projects where the source is given up for a micro platform,
after the sample period, at the time of printing to the display, also send the value to a hardware serial port.
If the value is higher than a byte, fill a buffer and empty a byte at a time, and rewrite the buffer for every cycle it’s emptied.
That kind of serial frequency counter would be as accurate as any other for the period measured,
but if you were watching a frequency that changed fast, that chip can’t track it with much speed. It would be a horrible spectrum analyser :D
Thanks Art,
have you some sample source program to suggest please ?
regards,
Ambrogio
Hi,
Serial output, as you mentioned: http://www.moty22.co.uk/c1mhz.php
Even better, USB output: http://www.moty22.co.uk/usb_counter.php
Regards,
Anand