[time-nuts] Affordable PoE 6-digit time displays?

paul swed paulswedb at gmail.com
Fri Jun 15 16:18:58 EDT 2018


That is a great price and the shipping is $12 for a rack mount piece of
equipment.
How on earth can he do the shipping for that cost?
Regards
Paul.

On Fri, Jun 15, 2018 at 2:51 PM, Bob Bownes <bownes at gmail.com> wrote:

> IRIG-B generator/displays candy had on eBay for very little money. There’s
> one currently listed for about $10.
>
> https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.
> ebay.com%2Fulk%2Fitm%2F202337773272
>
> Feeding one of these with the aforementioned NTP to IRIG – B is the easy
> solution. And they look great at the top of the rack!
>
> I have a couple of these, and they drift significantly more than I would
> like, about 2 to 3 seconds a month. If anyone has seen the manual to one of
> these, I’d love to see a copy, as the input on the back are unmarked.
>
> > On Jun 15, 2018, at 14:38, Tim Shoppa <tshoppa at gmail.com> wrote:
> >
> > At work we have POE LED clocks, I think 2.5", circa $400-$500. So your
> $300
> > price you've been seeing is about right.
> >
> > In terms of homebrew:
> >
> > I bought a bunch of 3.5" high green Seven-segment displays 10+ years ago.
> > Cheap, really cheap at the time!
> >
> > Was always intending to build a 6-digit clock with them but never got
> > around to it.
> >
> > I have been having fun with ESP8266's (small cheap microcontrollers with
> > WiFi) for other projects. If I were to do a NTP clock it would use the
> > ESP8266 and NTP protocol over Wi-Fi. Not real NTPD, just NTP UDP packets
> > plus a teeny bit of local dead reckoning.
> >
> > Tim N3QE
> >
> > On Thu, Jun 14, 2018 at 9:15 PM, David Andersen <dave.andersen at gmail.com
> >
> > wrote:
> >
> >> I'd hoped that ebay or aliexpress would yield a bounty given how
> seemingly
> >> simple these are, but I'm drawing a blank (and finding a lot of $300+
> new
> >> options).  Anyone have a favorite source for either flat wall-mount or
> >> rackmount displays that will pull from an NTP/SNTP/whatever server?
> >>
> >> (if wall-mount, PoE is optimal).  Used good.  Cheap good.  Looks good
> next
> >> to my random collection of antiquated time measurement gear provides
> >> amusement value but isn't really critical. :-)
> >>
> >> Thanks!
> >>
> >>  -Dave
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