DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module For Arduino - NA041

1 mm Size: 38 mm (length) mm * 22 mm (W) mm * 14 mm (height)

Weight: 8 g

Operating voltage: 3.3-5. 5 V

Clock chip: high precision clock chip DS3231

Accuracy 5 hours: range 0-40 °, accuracy 2ppm, the error was about 1 minute

Calendar alarm clocks with two

Programmable square waves

Hours real time generator of seconds, minutes, hours, day, date, month and year dates and provide valid up to year 2100 leap year compensation.

Chip Temperature sensor is supplied with an accuracy of ± 3 °

Memory chips: AT24C32 (32 K capacity)

IIC bus interface, maximum transmission speed 400 kHz (operating voltage 5 AT)

Can be cascaded with another IIC device, 24C32 addresses can be shortened A0 / A1 / A2 change the default address is 0x57

With a LIR2032 battery, to ensure the system after a power failure, moving hours any physical normal