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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Japan Post: Small Packet Air Mail
Greg | March 16, 2013
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Akafugu Corporation is a small electronics company that operates out of Tokyo, Japan. We specialize in fun and easy to use electronic gadgets. Our goal is to provide products that not only make prototyping faster and easier, but are also perfect for incorporation in finalized products.