Re: A non GPS method of time keeping and calibration ? (U3's etc) ?
SkipF, NT1G <skip.flem@...>
toggle quoted messageShow quoted text
You could always use a TXCO oscillator with a small arduino chip
to count 'microsteps', throw a high bit for a 'few more' then repeat the cycle.
A few people have taken this further by heating the xtal oscillator to an elevated
temp (~125F) with some small power resistors inside a 'thermos flask'.
On Sun, Jul 14, 2019, 4:28 AM Andy Brilleaux via Groups.Io <firstname.lastname@example.org> wrote:
I was just looking at real time clock modules for Raspberry Pi's and had a thought.