Angled Shot of the Adafruit DS3231 Precision RTC Breakout.
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The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low power...
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$17.50 each
In Stock
Angled shot of CR1220 12mm Diameter - 3V Lithium Coin Cell Battery - CR1220.
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These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, etc. One battery per order (you'll want one battery per cufflink or pendant.)Brand may vary but all battery brands are verified...
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Angled shot of RTC breakout.
Featured
 The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a...
view other guides that use this product
$13.95 each
In Stock