On one RPi I am using a GPS module. I need to add support for its PPS signal for more accurate time keeping.
> On Jul 7, 2014, at 7:39 AM, Skip Tavakkolian <skip.tavakkol...@gmail.com> > wrote: > > there are RTC modules for the pi (talk over i2c, based on DS1307 or DS3231). > i use them with linux distro's and they seem to work fine. > > > >> On Mon, Jul 7, 2014 at 6:59 AM, Richard Miller <9f...@hamnavoe.com> wrote: >> > By the way, how I can arrage the correct time in this system? >> > I don't mean the /adm/timezone/local, because >> > in the usual PC, we can change it at BIOS screen. >> >> Unlike a PC, the raspberry pi doesn't have a battery-backed >> real time clock. If you configure a kernel without the 'fakertc' >> device, it will prompt you to enter the time and date when you >> power on. For me this was too annoying, which is why I made the >> fakertc device. With a network connection, the time should be >> corrected by aux/timesync soon after booting. >
