10 PCS DS3231 Real Time Clock Module for Raspberry Pi

Description:
A very compact real-time clock (RTC) module is based on the high accuracy DS3231 IC and includes a rechargeable battery backup. This module also has a header with a pinout specifically designed so that it can be plugged directly into the IO header of your Raspberry Pi without any need for additional wires or soldering. The module makes use of the Raspberry Pi's I2C hardware interface.

Raspberry Pi RTC Module:

1. controlling system
2. Embedded systems

DS3231 RTC module Features:

1. Chip: DS3231
2. Input Voltage: 2.3V ~ 5.5V
3. Interface: I2C
4. Clock Accuracy: ± 5ppm (± 0.432 sec / day)
5. Temperature Sensor Accuracy: ±3°C
6. Frequency: 1Hz, 32.768kHz
7. Pin Number: 5 Pin
8. Operating temperature: -40°C ~ +85°C
9. Size: 14mm x 14mm x 14mm
10. Reset button and button input.
11. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100.
12. Two calendar alarm.

Document:

Raspberry Pi RTC, DS3231 Setup Link

Package Include:
10 x DS3231 RTC Real Time Clock Module