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The Dallas DS3231M Real Time Clock is a compact high precision real time clock module that comes in a SOIC-8 surface mount package. It runs on 2.3V to 5.5V supply voltage and is controlled using th...Read More…
The Dallas DS3231M Real Time Clock is a compact high precision real time clock module that comes in a SOIC-8 surface mount package. It runs on 2.3V to 5.5V supply voltage and is controlled using the I2C/TWI protocol. It features two hardware alarms with interrupt, so you can use it to make your microcontroller do tasks at specific times. Combined with sleep mode this makes a perfect companion for creating a logging module.
We’ve prepared a breakout board that comes with a backup battery and gives access to all the features of the RTC (including interrupt pin and 32kHz square wave output). We also provide an Arduino (as well as avr-gcc) library that supports all features of the chip.
DS3231M high precision Real Time Clock
Very compact PCB
Two TWI/I2C ports to daisy chain with other TWI/I2C devices
Open Source Arduino and low-level avr-gcc library available on Github (with support for advanced features such as square wave interrupts and alarm interrupt)
Pull-up resistors for SDA/SCL as well as for the 32KHz oscillator and square wave ouptut/alarm interrupt output
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Due to the ongoing pandemic situation, Japan Post has suspended shipment to several countries. Depending on your destination country, we may not be able to fulfill your order.
List of availability by country: https://www.post.japanpost.jp/int/information/overview_en.html
As of 2020.11.24, most of Europe and North America are available for shipping. Australia is still not available. Expect 1-2 months for delivery in most places.
Greg | March 16, 2013
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