I guess I am absolutely dependent on a fast connection to the internet. Even without that, I would have one machine in the house be a ntp server and have the Rpi's adjust to that using ntp over wifi.DougieLawson wrote:What if you want good timing but don't have a good connection to the Internets?
A DS1307 breakout board (like the one my twin brother got me for Xmas) costs less than a tenner.
That is pretty hard core. That is a lot more precision than I would ever need.DougieLawson wrote:Oh yes, I have an Ubuntu server that runs ntpd.
Currently synced to five stratum 2 servers.
I even ran it with my Garmin ETrex hooked up to get a stratum 0 time ref for an experiment.
HiRichard-TX wrote:Why add a RTC clock? The long term accuracy of ntp is far better than any RTC.