Feature
Use DS3231SN high-precision clock chip, built-in 32.768 crystal oscillator
Can provide accurate year, month, day, hour, minute, second, morning and afternoon data
Can output 1Hz signal, one signal per second
You can use CR1220 button battery to keep running time
I2C bus pull-up resistor welding R1 R2 by yourself
Small size 3cm in diameter
Pin spacing 22.86mm
Without battery
Package includes
1 x RTC Real-time Clock Board
Additional information
| Weight | 0.006 kg |
|---|
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