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This is the best battery-backed real-time clock (RTC) you can get that allows your Raspberry Pi project to record the time when power is lost. Perfect for data logging, clock building, NTP servers, time stamping, timers, and alarms, etc. Equipped with a genuine DS3231 RTC, it works great with the Raspberry Pi and has native kernel support.
Works perfectly with any Raspberry Pi (or similar single-board Linux computer) including the Pi 1, Pi 2, Pi 3, Pi Zero, A +, B +, etc.
Specification
| Operating Voltage (VDC) | 3.3 |
| Operating Temperature  (°C) | -40 to 85 |
| I2C Address | 0X68 |
| Output Frequency | 1Hz and 32.768kHz |
| Length (mm) | 22 |
| Width (mm) | 24 |
| Shipment Weight | 0.01 kg |
Feature:
- Working voltage: 3.3V
- Product Dimensions: 22mm * 24mm
- Will keep time for 5 years or more
- IIC Addresses: 0X68
Package Includes:
- 1 x DS3231 I2C Pi RTC Real Time Clock 3.3V for Raspberry Pi
