DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module Arduino/Raspberry

Rs.275.00

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RJ00035
 

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Details

Description:

  • 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.
  • 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: 38mm (length) * 22mm (W) * 14mm (height)
  • Operating voltage :3.3 - 5 .5 V
  • clock chip: high-precision clock chip DS3231
  • Clock Accuracy :0-40 centigrade 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 centigrade
  • Memory chips: AT24C32 (storage capacity 32K)
  • 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

 

Packaging:

  • DS3231 module x 1

 

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