Arduino Real Time Clock Bargain Of The Century!!!! The DS-3231 "The Industry's most accurate RTC" by Maxim Semiconductor has an accuracy of +-1 min per year. www.Macetech.com has some of their DS3231 "ChronoDots" with a manufacturing defect ... the headers were installed upside down. They reduced…

Arduino Real Time Clock Bargain Of The Century!!!!

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