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The module accurately tracks time in hours, minutes, seconds, and dates. I liked the product 100% recommended.
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DS3231 Mini RTC is a Mini Real-Time Clock module designs for Raspberry Pi, but it also can be used to Arduino. DS3231 RTC IC Self-adjust 3.3V and 5V.Provide battery backup for continuous timing, Low-power consumption. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100.
It has Two calendar alarms, 1Hz, and 32.768kHz output. Reset output and input buttons Debounced High-speed (400KHz) I2C serial bus. Many RTC modules are meant to operate at 5V. Unfortunately, the Raspberry Pi operates at 3.3V, that is where this handy module comes into play, it operates at 3.3V perfect for adding an RTC to your Raspberry Pi.
check out : Programmable Digital Timer Module
Note: This board can be used with Arduino board Module itself can adapt 3.3V and 5V systems without level conversion.
Output. |
1Hz and 32.768kHz |
High-Speed |
400kHz |
Supply Voltage |
+2.3 V to +5.5 V |
Operating Temperature Range. |
-40°C to +85°C |
temperature range |
-40 ° C to +85 ° C |
timing accuracy |
± 5ppm (± 0.432 sec/day) |
Dimensions |
14x14x12 mm |
Weight |
25g |
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The module accurately tracks time in hours, minutes, seconds, and dates. I liked the product 100% recommended.
Works well. Relatively cheaper price too
Timer for Raspberry Pi and it works as it should