On Wed, 12 Aug 1998, Peter Gee wrote: > i was pretty intersted in this frequency meter. > has anyone built it ? > what type of display are people using for it ? Whatever you want. An ASCII LCD module or a PC connected through RS232 come to mind. > do people think that an LCD calculator display would be appropriate ? Yes, if you happen to be able to source an ASCI that can drive its segments. Otherwise, no. > or should i just string 7 seven segment displays together ? ie does the > multiplexer use the latency of the LED to display the frequency, or are > those displays latched ? What multiplexer ? This counter has NOTHING in common with discretely built counters, or specialized chips used for that. Peter