[sdiy] Re: S[DIY} frequency counter

Dave Manley dlmanley at sonic.net
Fri Oct 30 21:06:51 CET 2009


cheater cheater wrote:
> I find Bill's idea very neat actually
> 
> Using chips that were made for what you're trying to do... wild idea I know
> 
> D.
> 
> On Thu, Oct 29, 2009 at 23:17, Magnus Danielson
> <magnus at rubidium.dyndns.org> wrote:
>> bill bigrig wrote:
>>> Howdy
>>>  Intersil 7208 + 7207 + 3130 + 7 digit common cathode display. Details on
>>> page 470 of 'The CMOS Cookbook'.
>> Yes, where is the fun in that? No mad scientist style.

It depends on your goal. If you're trying to learn something about 
digital design, and this group is about doing it yourself, then using a 
few (obsolete?, unavailable?) chips that do everything for you and 
wiring it up per a datasheet is fairly pointless.  You may as well go 
buy a cheap multimeter with built-in freq counter, gut it out of its 
case, and stick it on a panel.

-Dave




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