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DS3231 AT24C64 IIC Precision RTC Real Time Clock Memory Module For Arduino

DS3231 AT24C64 IIC Precision RTC Real Time Clock Memory Module For Arduino [ K13]
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[K13] DS3231 AT24C64 IIC Precision RTC Real Time Clock Memory Module For Arduino

  • Low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping.
Description:
  • 100% brand new and high quality
    Low-cost, extremely accurate I2C real-time clock (RTC),  with an integrated temperature-compensated crystal oscillator (TCXO) and  crystal.
    The device incorporates a battery input,  disconnect the main power supply and maintains accurate timekeeping.
    Integrated oscillator improve long-term accuracy  of the device and reduces the number of components of the production line.
    DS3231 available in commercial and industrial  temperature ranges, using a 16-pin 300mil SO package.
    RTC maintains seconds, minutes, hours, day, date,  month, and year information. Less than 31 days of the month, the end date will  be automatically adjusted, including corrections for leap year.
    Clock operates in either the 24 hours or band / AM  / PM indication of the 12-hour format. Provides two configurable alarm clock and  a calendar can be set to a square wave output.
    Address and data are transferred serially through  an I2C bidirectional bus.
    A precision temperature-compensated voltage  reference and comparator circuit monitors the status of VCC to detect power  failures, provide a reset output, and if necessary, automatically switch to the  backup power supply.
    /RST pin is monitored as generating μP reset  manually.
    Save time and high precision addition, DS3231 also  has some other features that extend the system host of additional features and a  range of options.
    The device integrates a very precise digital  temperature sensor, through the I2C * interface to access it (as the same time).
    Temperature sensor accuracy is ± 3 ° C. On-chip  power supply control circuit can automatically detect and manage the main and  standby power (i.e., low-voltage battery) to switch between the power supply<BR>
    If the main power failure, the device can continue  to provide accurate timing and temperature, performance is not affected.
    When the main power re-power or voltage value  returns to within the allowable range, the on-chip reset function can be used to  restart the system microprocessor.
Module parameters:
  • Size: 26mm (length) * 19mm (W) * 10mm (height)
    Weight: 5g
    Operating voltage :3.3 - 5 .5 V
    clock chip: high-precision clock chip DS3231
    Clock Accuracy :0-40 ℃ range, the accuracy 2ppm,  the error was about 1 minute
    Calendar alarm clock with two
    Programmable square-wave output
    Real time clock generator seconds, minutes, hours,  day, date, month and year timing and provide valid until the year 2100 leap year  compensation
    Chip temperature sensor comes with an accuracy of  ± 3 ℃
    Memory chips: AT24C64 (storage capacity 64K)
    IIC bus interface, the maximum transmission speed  of 400KHz (working voltage of 5V)
    Can be cascaded with other IIC device, 24C32  addresses can be shorted A0/A1/A2 modify default address is 0x57
    With rechargeable battery LIR2032, to ensure the  system after power failure, the clock move any natural normal
  • Wiring instructions (with Arduino uno r3 for  example):
    SCL → A5
    SDA → A4
    VCC → 5V
    GND → GND
PACKAGE INCLUDES:
  • 1x  DS3231 AT24C64 IIC Precision RTC Real Time Clock Memory Module For Arduino
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