[NLRS] Working memory keyer for sale?

[Chris Elmquist]

On Tuesday (10/06/2015 at 05:44PM -0500), Richard Clem wrote:
> 
> 
> It's a little bit bigger than 3/4" x 1", but on my blog, I recently had the
> 1935 version of the memory keyer.  All you need is an old motor, some relay
> contacts, and some extra time on your hands:
> 
> http://onetuberadio.com/2015/09/27/1935-memory-keyer/

Awesome.

I think you program PICs "with a hacksaw and file" too, so you know,
the more things change, the more they stay the same ;-)

Chris N0JCF

> > Tehre was a paper at CSVHF probably a decade ago about using a PIC chip 
> > custom programmed for a beacon keyer. Makes the message relatively 
> > fixed, but cheap and simple.The circuit board was about 3/4" x 1" with 
> > through hole parts.
> > 
> > In any case protect the keyer with a sturdy zener diode on the supply 
> > wire and on the keying output so it can't see over voltage or reversed 
> > polarity for longer life at the beacon site.
> > 
> > 73, Jerry, K0CQ
> > 

-- 
Chris Elmquist