DeadOn RTC - DS3234 Breakout - Real Time Clock (BOB-10160)

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  • DeadOn RTC - DS3234 Breakout - Sparkfun BOB-10160
  • DeadOn RTC - DS3234 Breakout - Sparkfun BOB-10160
  • DeadOn RTC - DS3234 Breakout - Sparkfun BOB-10160 dimension


DeadOn RTC - DS3234 Breakout - Sparkfun BOB-10160

Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock with an integrated temperature-compensated crystal oscillator and crystal.
The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections of leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. Two programmable time-of-day alarms and a programmable square-wave output are provided.
The underside of the board holds a 12mm coin-cell battery holder for battery backup.
Note: These do not include a battery. See here for a battery.

DS3234 Features:

  • +-2ppm accuracy
  • Two alarms
  • SPI output
  • Low power consumption
  • Accurate calendar up to the year 2100

DeadOn RTC Documents:

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Additional Information

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2 Reviews

  • 5
    Title of review 575

    Posted by Ken Tindel on 21st Apr 2014

    The RTC is accurate (30 seconds per year) and easy to solder up for a breadboard. The programming is pretty straightforward and it has a lot more than just an RTC - it has a programmable alarm with an interrupt pin (so the CPU can be brought out of low-po

  • 5
    Title of review 574

    Posted by Matt on 26th Jun 2012

    Very pleased with this, so much accuracy for very little effort

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