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DS3234 RTC module - perfect when you want to measure time precisely
This is an breakout board containing DS3234 RTC clock module with battery (CR1225). Accuracy: +-2ppm (in other words - the inaccuracy is one minute for 347 days), SPI interface, two alarms.
The adapter is sold without battery. Detailed datasheet is in Files section.
Once, twice in month we will send You info about new products, products on sale and news from Arduino and DIY world.