Use DS3231SN precision clock chip, built 32.768 crystal
Can provide precise year, month, day, hour, minute, second, in the morning and afternoon data
You can output 1Hz signal, a second output signal
You can use the CR1220 coin cell holding travel time
The pull-up resistor R1 R2 own welding on the I2C bus
Small size 3cm in diameter
Pin spacing 22.86mm
Weight | 0.1 kg |
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Dimensions | 20 × 15 × 5 cm |
₹211.86 – ₹652.54 price_including_GST