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Keyestudio DS3231 High precision I2C real time Clock Module for Arduino

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DS3231 is equipped with integrated TCXO and crystal, which makes it a cost-effective I2C real time clock with high precision. The device carries a battery input, so if you disconnect the main power supply, it can still maintain accurate timing. The integrated oscillator ensures the long-term accuracy of the device and reduces the number of components. DS3231 provides both commercial and industrial temperature range and supports 16 pins small-outline package (300mil). The module itself can adapt to the system of 3.3V and 5V without level switch, which is quite convenient!

  • 1)Temperature range: -40 to +85; Timing accuracy : ± 5ppm (±0.432 seconds / day)
  • 2)Provide battery backup for continuous timing
  • 3)Low power consumption
  • 4)Device package and function compatible with DS3231
  • 5)Complete clock calendar function contains seconds and minutes, hour, week, date, month, and year timing and provides leap year compensation until 2100.
  • 6)Two calendar clock
  • 7)Output: 1Hz and 32.768kHz
  • 8)Reset output and Input Debounce of Pushbutton
  • 9)High speed  (400kHz), I2C serial bus
  • 10)Supply voltage: +3.3V to +5.5V
  • 11)Digital temperature sensor with a precision of±3℃
  • 12)Working temperature: -40 ~ C to +85 ~ C 
  • 13)16 pins Small Outline Package (300mil)
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