Which IC is this? I have a couple of clocks that are gaining time in a similar way to each other. I’ve checked my software and think it must be down to rogue DS3231s. Funny thing is I think the ICs are samples direct from Maxim.
John S > On 1 Jan 2019, at 20:43, gregebert <[email protected]> wrote: > > Happy New Year, unless you rely on the dirt-chip RTC module I bought several > months ago, because today would be Sept 2, 2018. > > WHAT ??? That's the date my RTC chip reported this morning: 09/02/2018 > Last night, before midnight and right after I got tired of writing software, > it was correct at 12/31/2018. > > The funny thing is, this counterfeit RTC module has kept the time very > accurately over several months. My previous experience with a different fake > chip was that it was losing about 2 hours per day; since this one was > accurately keeping the time I assumed it was a genuine Maxim device. Nay, not > so....... > > After resetting the correct date, it's showing that now. So I wonder....if > someone went to such lengths to make such a time-wise accurate fake, why > would they bungle so poorly on a simple Dec31 --> Jan01 rollover ? > > Sure enough, when I forced the RTC back just before midnite and let it > roll-over, I got another wrong date (09/01/2018), so this RTC is even more > messed-up than I thought. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/4CED66E4-92A3-4179-87DB-AF3F49BF3FAD%40jsdesign.co.uk. For more options, visit https://groups.google.com/d/optout.
