Raspberry Pi DS3231 is high precision clock module. It can also be used on Arduino motherboard. The module itself can be adapted to 3.3 V and 5 V system and no level conversion needed, which is super convenient.
Specifications
Accuracy
± 5ppm (± 0.432 sec/day)
Compatible
Arduino
Raspberry Pi
Other Development Boards
Frequency
1Hz and 32.768kHz
Length x Width x Height
14mm x 13mm x 13mm
Operating Voltage
2.3V ~ 5.5V
Special Features
-Two calendar clock. Reset output and input.
-Low power consumption.
-Provide continuous timing battery backup.
-The device is compatible with DS3231 encapsulation and function.
-Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year.
Temperature Range
-40°C ~ +85°C