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DS3231 RTC Module for Raspberry Pi and Arduino
A very compact real time clock (RTC) module is based on the high accuracy DS3231 IC and includes a rechargeable battery backup. The 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. Although specifically designed for the Raspberry Pi, its ability to with with both 3.3V and 5V logic levels means it can also be used with most types of microcontroller development boards such as the Arduino.
Accuracy: ± 5ppm (± 0.432 sec / day) within -40°C to +85°C temperature range.
Battery backup allowing accurate time keep without a power supply
Low power operation
DS3231 controller.
Clock functions include seconds, minutes, hours, day, date, month and year timing.
Timing valid up to year 2100
Two calendar alarm
High-speed (400kHz) I2C serial bus
+2.3 V to +5.5 V supply voltage (Self-adjust 3.3V and 5V)
Size: 14 x 14 x 12 mm
This item is available in stock and is not drop shipped. This avoids delays, customs charges and extra VAT.