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DS3231SN High Precision clock chip
CR1220 3V Cell Included
Real-Time Clock counts Seconds, Minutes, Hours, Date, month and Year
Month, Day of the Week, and Year with Leap-year
Supply Voltage : 5V
Two Wire Interface (I2C or IIC)
Diameter : 3Cm

Weight 0.1 kg
Dimensions 20 × 15 × 5 cm
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