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Catalog : Arduino, Pi, Microcontrollers, 3D Printing and Kits : Arduino, Raspberry Pi and Microcontrollers : OSEPP™ : OSEPP™ Arduino Boards

Real-time Clock & microSD Breakout


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The Real-time clock & microSD breakout keeps accurate time and supports external memory through a microSD. The breakout features the DS1307 Real-time clock with battery holder for reliable time readings in case of breakout power outage. The RTC/SD Breakout also features a microSD card slot, adding external memory to read/write pictures, text files, audio and much more. Add accurate time measurement and external memory to your next Arduino project!


  • 100% Arduino Compatible
  • Operating voltage: 3.3V – 5V MAX
  • Counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap year compensation valid up to 2100
  • microSD card support
  • 5v to 3.3v regulator for SD card operation.
  • microSD SPI interface
  • DS1307 RTC I²C interface
  • CR1220 battery required (not included)

US$ 19.92 price
US$ 18.93 5 - 9 (5% Off)
US$ 17.93 10 + (10% Off)