Hohe-Präzision RTC WatchDog Timer HAT für Raspberry Pi Zero 2 W 3 Model B Plus 4

 

PACKAGE CONTENT: (  NOT include Raspberry Pi board.) ​

  1. RTC WatchDog HAT (B) x1

  2. 2×20PIN female header x1

  3. Standoffs pack x1

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Wiki English manual :   www.waveshare.com/wiki/RTC_WatchDog_HAT_(B)

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RTC WatchDog HAT (B) For Raspberry Pi

Real time clock, watchdog, all in one compact module

 

 

Designed For Raspberry Pi Series

Standard Raspberry Pi 40PIN GPIO Header, For Raspberry Pi Series Boards, Jetson Nano

for reference ONLY, the Raspberry Pi boards and Jetson Nano are NOT included.

 

Auto Reset Monitoring

Monitoring Circuit With Auto Reset Function, Using I2C Communication

 

High Precision RTC

Incorporates DS3231SN High Precision RTC Chip, With Backup Battery Holder

 

What's On Board

  1. USB Type-C power input

  2. CH32V003 watchdog

  3. CR1220 RTC battery holder ​RTC power supply, supports CR1220 button cell

  4. Watchdog status indicator

    • Blinking rapidly at a frequency of 100ms when the watchdog overflows

    • After the watchdog overflows and runs the reboot command, it will blink at a frequency of 500ms if the host is detected as not having powered off

    • Keeps on when the watchdog function is turned on

    • Keeps off when the watchdog function is turned off

 

5.Power indicator

6.Raspberry Pi 40PIN GPIO header ​for connecting to Raspberry Pi

7.RTC chip ​DS3231 high precision RTC chip

8.Watchdog reset pin selection

9.Control interface ​for use with other host boards

 

Pinout Definition
Product Show
Outline Dimensions

 

 

It takes 12-20 working days to arrive most European countries using standard shipping.
Some European island countries, overseas territories and South American countries need to arrive in 25-35 working days.
 
For urgent parcel, you can email us and choose Fedex, DHL, UPS, EMS etc., but you need to pay extra fee.
If you need to use the express delivery service, please contact me via eBay mail.
We absolutely stand behind our products. All of our items will be checked and tested before shipment to ensure 100% performance.
 
We also offer 15 day money back guarantee if you are unsatisfied for any reason whatsoever. We will refund the entire cost of the item not including the shipping and insurance charges. Our aim is 100% customer satisfaction!
 
If you are unclear about product usage, please feel free to contact us. We will offer your detailed instructions for use.
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