[time-nuts] [Little OT now]Re: Cheap Frequency chip with serial output

Chris Albertson albertson.chris at gmail.com
Mon Oct 27 09:32:34 EDT 2014

On Mon, Oct 27, 2014 at 4:29 AM, Giuseppe Marullo <giuseppe at marullo.it>

> >The Teensy 3 can be programmed using the Arduino software. It's just a
> better Arduino, that's it.
> > But you say you have a PI. Why not use that? send your final RF to a
> zero crossing detector then to a counter in the PI.
> I expect the PI does not have a counter, nor I would know how to set it
> up. Examples I found are in the 1MHz max range.
> Do you know which is the upper limit for it?

Don't know much about PI.  if it will count to 1MHz them place a divide by
30 hardware chip in front of the PI.    You will still get good enough
resolution for tuning an old tube based radio.


Chris Albertson
Redondo Beach, California

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