PIMORONI RV3028 Real-Time Clock (RTC) Breakout

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SKU: 1243059

 1,399.00

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Brand: PIMORONI
Category: Real Time (RTC) Module

The RV-3028-C7 is a SMD Real-Time Clock Module that incorporates an integrated CMOS circuit together with an XTAL. It operates under vacuum in a hermetically sealed ceramic package with metal lid

The RV3028 RTC is factory-calibrated, and is quoted to drift by just ±1 second per million seconds at 25 degrees. This will vary slightly depending on a number of factors. In our testing, we’ve seen performance better than ±2 seconds per million seconds. For comparison, that’s up to five times more accurate than your average digital watch.

The tiny silver oxide battery (8mAh, included) keeps the RTC running when your device (Raspberry Pi or Arduino) is powered off and can sync the time when powered back on. It should last for several years (up to nine in theory, although the battery shelf-life is five years)!

The RV3028 breakout has an I2C interface and is 3.3V or 5V compatible. Like our other PIMORONI breakouts, we’ve designed it so that you can solder a piece of right-angle header onto it and then pop it straight onto the bottom left 5 pins on your Raspberry Pi’s GPIO header (pins 1, 3, 5, 6, 9).

It’s also compatible with our fancy Breakout Garden, where using breakouts is as easy as just popping it into one of the six slots and starting to grow your project, create, and code


Features: 

  1. Easy to use
  2. Color: Black
  3. Small in size
  4. I2C interface (address 0x52)
  5. Reverse polarity protection
  6. Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9)
  7. Compatible with Arduino
  8. Automatic Backup Switchover and Trickle Charger function
  9. Non-volatile configuration settings with user programmable offset value
  10. Compatible with all 40-pin Raspberry Pi models (Python library)
  11. Compatible with Raspberry Pi Pico (C++/MicroPython libraries)

Packages Includes:

1 x PIMORONI RV3028 Real-Time Clock (RTC) Breakout

Model

RV3028

Product Type

Real-Time Clock (RTC)

Voltage (V)

3.3V or 5V

Interface

I2C interface (address 0x52)

Ultra-low-power

~100nA typical current draw

I 2C-bus interface

400 kHz

Clock output

32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz

Memory

43 bytes non-volatile user memory, 2 bytes user RAM

Time accuracy

Time accuracy: Factory calibrated to ±1 ppm25°C

Dimensional Accuracy (mm)

2 x 2 x 1 mm

Shipment Weight

0.004 kg

Shipment Dimensions

7 × 4 × 1 cm

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