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Waveshare Pico Precision RTC Module - DS3231

The   Pico-RTC-DS3231   is a RTC expansion module specialized for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231 and uses I2C bus for...
31-00019426
Company: Waveshare
Part Number: 19426
Made in: China
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DESCRIPTION

The Pico-RTC-DS3231 is a RTC expansion module specialized for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231 and uses I2C bus for communication. More external sensors are allowed to be connected thanks to the stackable design.

  • Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
  • Onboard high precision RTC chip DS3231, with backup battery holder
    • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
    • Optional format : 24-hour OR 12-hour with an AM/PM indicator
    • 2x programable alarm clock
  • Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)

What's On Board

  1. DS3231
    high precision RTC chip, I2C bus
  2. RTC backup battery
    supports CR1220 button cell
  3. Power indicator
    enabled by soldering a 0Ω resistor on the jumper, disabled by default 
  4. Raspberry Pi Pico header
    for attaching to Raspberry Pi Pico, stackable design

 

NOTES

Raspberry Pi Pico Header Compatibility

Onboard Female Pin Header For Direct Attaching To Raspberry Pi Pico
Stackable Design

Pinout Definition

 

 

SPECIFICATIONS

HAT Type:
  • RTC
Raspberry Compatible:
  • Pico

SPECIFICATIONS

  • Operating Voltage: 3.3V
  • Backup Battery Voltage: 2.3V ~ 5.5V
  • Operating Temperature: -40°C ~ +85°C
  • Power Consumption: 100nA (sustains data and clock information)

FILES