RTC DS3231 Module

WhaddaSKU: RB-Vel-403
Manufacturer #: WPM352

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Sale price ¥1,633

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  • RTC DS3231 Module
  • Offers a real-time clock
  • Incl. CR2032 battery
  • Enables accurate time-keeping with minimum fuss
  • Built-in 32 kHz crystal
  • Uses a standard I2C interface

The RTC DS3231 Module is a real-time clock that enables accurate time-keeping with minimum fuss. It uses a DS3231 IC, which is an extremely accurate RTC chip with a built-in 32 kHz crystal oscillator. The chip also features a basic temperature sensor and alarm clock capability.

The RTC module uses a standard I2C interface and can easily be interfaced with various development boards (such as an Arduino compatible board).

  • 1x RTC DS3231 Module


  • 22.4 x 43.2 x 14.7 mm (L x W x H)
  • Supply voltage: 3.3 - 5 V DC
  • RTC IC: DS3231
  • RTC accuracy: ± 2 ppm (from 0 - + 40 °C)
  • Temperature sensor accuracy: ± 3 °C
  • Max. I2C bus frequency: 400 kHz
  • Backup battery: CR2032 (included)

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