Carl - Excellent article; thanks for posting. Another possibility is that these chips are salvaged and re-assembled; If they are overheated during removal/reassembly the crystal could get damaged.
I'm testing one right now for my NIMO clock, and it was manufactured in 2008. I'm certain it's a used device because it's 10 years old. This particular one seems OK so far; no drift since last night. I've had another DS3231 that drifted about 10 minutes overnight, so it was either defective or a counterfeit. $1.25 for an RTC module with 64KBytes of EEPROM is too good to pass up, and is easy to test. I dont need an accurate RTC for this project because I will be using network time; the RTC is for backup if my internet goes down. -- 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/57ee749e-c706-4f8d-a542-afc144076939%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
