[time-nuts] RS-232 Pin Outs for the Acron Zeit WWVB LCD Clock

Hal Murray hmurray at megapathdsl.net
Mon Jul 24 13:02:42 EDT 2017

[Correcting my earlier comment.]
> You could probably add a diode to make it work.

It takes more than just a diode.

The voltage on the modem control signals is probably too high.  You will also 
need some way to drop it to what the chip expects, probably 5 volts.  Simple 
3 pin regulators need input and output caps.  There is probably one already 
on the output side.

The just-a-diode from a message early in this thread works because the LM358 
op-amp can take a higher supply voltage.

These are my opinions.  I hate spam.

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