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

[Paul Alfille]

Here are front and back pictures.



On Mon, Jul 24, 2017 at 1:02 PM, Hal Murray <hmurray at megapathdsl.net> wrote:

> [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.
>
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> and follow the instructions there.
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 20170724_203340-800x694.jpg
Type: image/jpeg
Size: 92167 bytes
Desc: not available
URL: <http://www.febo.com/pipermail/time-nuts/attachments/20170725/7ed57c8c/attachment-0002.jpg>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 20170724_203303-800x617.jpg
Type: image/jpeg
Size: 104047 bytes
Desc: not available
URL: <http://www.febo.com/pipermail/time-nuts/attachments/20170725/7ed57c8c/attachment-0003.jpg>