RS232 autoranging frequency counter update. Added input cap, and build it into a D connector, photos here:
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Bet his is the smallest frequency counter on earth :-)
RS232 autoranging frequency counter update
Sep 04, 2009
3 Replies
Neat!
Dave.
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Actually if you forget about the pic and go with a FPGA, your max freq would be higher. You could even do rs232 in a larger device. The LCD state machine might be a problem. Straight LED driver would be easy in a smaller device for the same $10. An ACEX altera is 300mhz.
hmmm....
Cheers
On a sunny day (Sat, 5 Sep 2009 16:04:05 -0400) it happened "Martin Riddle" wrote in :
I already did that one, scroll down to the end of that page:
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No problem, already wrote that one, here a picture of the LCD: ftp://panteltje.com/pub/2h/alles2.jpg The LCD driver stet machine is in the frequency_counter-0.2.1.bz2 archive, released it under the GPL license,
hehe LOL
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