DS3231 Real Time Clock and EEPROM I2C module for Arduino and Raspberry Pi Projects. Includes software.Designed by SwitchDoc Labs, Ships from United States of America
The SwitchDoc Labs DS3231 Real Time Clock Module contains two devices. It contains a Maxim DS3231 high accuracy temperature compensated Real Time Clock and an AT24C32 32Kbit EEPROM organized as 40...Read More…
The SwitchDoc Labs DS3231 Real Time Clock Module contains two devices. It contains a Maxim DS3231 high accuracy temperature compensated Real Time Clock and an AT24C32 32Kbit EEPROM organized as 4096 8 bit words of non-volatile storage. According to tests done at SwitchDoc Labs (seen below), the DS3231 is the clear winner with a measured accuracy of less than 0.3PPM (Parts Per Million) or in other words, losing or gaining less than 0.026 seconds per day.
Works for 3.3V and 5.0V I2C voltages - both Arduino and Raspberry Pi computers.
The software supports both the DS3231 timekeeping functions, the internal temperature sensor of the DS3231 and the AT24C32 EEPROM device.
SwitchDoc Labs has run months of performance and validation tests on this DS3231 Module and compared it to other Real Time Clocks. We selected the DS3231 because of it's superior accuracy. We are measuring the results in PPM (Parts Per Million). For example, losing 1 second per day is a drift of 11.5 PPM while 1 PPM is a drift of 0.0864 seconds per day. The PPM (Parts Per Million) measured error is shown on the graph below:
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Ovide | Sept. 16, 2016
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SwitchDoc Labs, LLC is a software and hardware engineering company producing specialized products and designs for the small computer industry maker movement (Raspberry Pi, Arduinos and others).
The Chief Technical Officer and co-founder of SwitchDoc Labs is Dr. John C. Shovic. He has worked in industry for over thirty years and has founded multiple companies: Advance Hardware Architectures, TriGeo Network Security, Blue Water Technologies, InstiComm, LLC, and bankCDA. He has also served as a Professor of Computer Science at Eastern Washington University, Washington State University and the University of Idaho. Dr. Shovic has given over 70 invited talks and has published over 50 papers on a variety of topics on Arduino's, Raspberry Pi's, iBeacons, HIPAA, GLB, computer security, computer forensics, embedded systems and others.