[time-nuts] Raspberry Pi NTP server

[Adrian Godwin]

On Wed, Jul 15, 2020 at 7:25 PM jimlux <jimlux at earthlink.net> wrote:

>
> I use teensy boards (pjrc.com) for this kind of thing (Arduino sort of,
> but much, much more - much faster processor with more resources, and
> physically smaller).
>
> I've used Teensy 3.1s and 3.2s  - but a Teensy LC for $12 might do it.
> https://www.pjrc.com/store/teensylc.html
>
> lots of timers on the chip.  You can in fact, run it off an external
> clock, although if you change from the native frequency, the USB
> interface won't work (but it is conceivably reprogrammable to make it work)
>
>
I mentioned the teensy 4.1 a few weeks ago, interesting because of its
IEEE-1588 - capable ethernet hardware. I now see that someone has
implemented NTP with a GPS PPS source on the device.  Details and
measurements at https://forum.pjrc.com/threads/61581-Teensy-4-1-NTP-server