RTC WatchDog HAT for Raspberry Pi

WaveshareSKU: WAV-20374
Price:
Sale price £18.30
incl. VAT
excl. VAT
Stock:
Only 12 units left
Quantity:

Compatible with:

Awesome Extras

Raspberry PiRaspberry Pi 4 Model B
Sale priceFrom £35 incl. VAT excl. VAT
The Pi HutUSB-A to USB-C Cable - Black
Sale priceFrom £2.25 incl. VAT excl. VAT
ANSMANNCR1220 3V Lithium Coin Cell Battery
Sale price £1.90 incl. VAT excl. VAT

Looking for an RTC Module for your next Raspberry Pi project? The RTC WatchDog HAT for Raspberry Pi from Waveshare is exactly what you are looking for. This HAT incorporates a highly accurate I2C real-time clock (RTC) that features a DS3231SN high precision RTC chip, and a backup battery holder to ensure accurate timing in the event of power-losss. A standard 40-pin header layout for the Raspberry Pi and Raspberry Pi Zero makes for easy integration, and is compatible with extended header-pins to enable HAT stacking. 

Online development resources are available, which include wiring guidance and example code, with additional information being found on the Product Wiki & Manual.

Note: The Raspberry Pi is NOT included

Features

  • MAX705 monitoring circuit with auto reset function
  • Incorporates DS3231SN high precision RTC chip with backup battery holder
  • Reset pin selection for swiching watchdog
  • Indicator for watchdog output warning

Whats On Board

  1. USB Type-C power input
  2. MAX705 watchdog
  3. Watchdog output enable
    • 1: Enabled
    • 0: Disabled
  4. CR1220 RTC battery holder
    • RTC power supply, supports CR1220 button cell
  5. Watchdog output warning
    • lights up if the watchdog is overflow
  6. Raspberry Pi 40PIN GPIO header
  7. RTC chip
    • DS3231 high precision RTC chip
  8. Watchdog reset pin selection
  9. Control interface
    • For use with other host boards

Connection Examples

Resources

    Pinout

    Package Contents

    • 1x - RTC WatchDog HAT
    • 1x - 20-PIN female header
    • 1x - Standoffs pack

    Payment & Accreditations

    Payment methods
    Visa Mastercard Maestro PayPal Amazon Klarna

    Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

    Accreditations