✍ This is a Mini Real-Time Clock module, it design for Raspberry Pi, but it also can be used to Arduino.

✍ Plugin it into Raspberry Pi GPIO interface, and all is ok. This is the easiest way to keep it in time.

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▼ Features
Compatible Raspberry Pi A +, B, B + / 2
Works in 3, 3V or 5V
Highly Accurate RTC Completely Manages All Timekeeping Functions
Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year, with Leap-Year Compensation Valid Up to 2100
Accuracy ±2ppm from 0°C to +40°C
Accuracy ±3.5ppm from -40°C to +85°C
Digital Temp Sensor Output: ±3°C Accuracy
Register for Aging Trim
Active-Low RST Output/Pushbutton Reset Debounce Input
Two Time-of-Day Alarms
Programmable Square-Wave Output Signal
Can be connected directly to the microcontroller output IO port
Anti-interference ability

▼ Specifications
Clock chip: High-precision clock chip DS3231
Memory chips: AT24C32 (storage capacity 32K)
Operating voltage: 3.3 - 5.5V DC
Clock Accuracy: 0~40 range, the accuracy 2ppm, the error is about 1 minute; With two calendar alarm clock; Programmable square-wave output
Real time clock generator seconds, minutes, hours, day, date, month and year timing and provides valid until 2100 with Leap Year Compensation
Chip temperature sensor accuracy: +/- 3ºC
IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
Suggest to add a rechargeable battery CR2032 to ensure the clock move normal as system power failure
Size: 14 x 14 x 12 mm

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▼ Package Content
1x RTC Module

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???? Anything can ws us @ +6018 2870 232 ✅