[time-nuts] Re: timing lab, remote control

[Eric Scace]

Hi Tom, Skip —

   In the broadcast world there are suppliers of GPIO-over-Internet/Ethernet devices. They aren’t cheap, however, as they are usually part of a larger package of devices that send packetized audio (and video).

   How much delay/time variance can you tolerate in your applications?

   If none of the other devices people suggest will do the job, let me know.

— Eric

> On Jan 11, 2024, at 07:16, Tom Van Baak via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> There was a posting from Skip a while ago that didn't come through. See below for his request. Me too.
> 
> In my case, I have an area at home you could call my working bench. I also have small room, less accessible, where I keep my best clocks with as little human interference as possible. I'd like to improve its remote monitoring and control over ethernet.
> 
> So the question is, does anyone make a black box that acts as a transparent latch or GPIO? I'd like 8 or 16 bits at my bench that when changed turn into bits in the remote lab. Ideally no setup, no protocol, no commands, no software, no operating system, no bugs; just two boxes with N pins on each end and changes are reflected from one to the other over LAN. TTL/CMOS level is fine. Some latency is ok.
> 
> I'm not looking for yet another WiFi, Arduino/LAN, or R-Pi project, but rather a turn-key solution that just works. I spent a significant amount of time on the web, thinking this would be a trivial search, but I came up empty.
> 
> Thanks,
> /tvb
> 
> > I'm looking for a box that has an Ethernet port on one side and some number or I/O
> > (could be from 1 to n) on the other.  When two of these boxes are paired
> > (by entering their respective IP addresses), the state of an input on one box is
> > reflected in the output of the other box (and vice versa).
> >
> > An example would be if I had a switch hooked to the input of one box, its state would
> > be reflected in the output of the paired box, such as controlling a motor remotely.
> >
> > Any ideas?  Perhaps there might be a business opportunity here if it doesn't exist.
> > Thanks for the time,
> > Skip Withrow
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