Waveshare 20374 RTC WatchDog HAT
Description
RTC WatchDog HAT for Raspberry Pi
Real time clock, watchdog, all in one compact module
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-1.jpg)
Designed for Raspberry Pi series
Standard Raspberry Pi 40PIN GPIO header, for Raspberry Pi series boards, Jetson Nano
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-3.jpg)
for reference ONLY, Raspberry Pi and Jetson Nano are NOT included.
Auto reset monitoring
MAX705 monitoring circuit with auto reset function
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-5.jpg)
High precision RTC
incorporates DS3231SN high precision RTC chip, with backup battery holder
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-7.jpg)
What's On Board
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-intro.jpg)
- USB Type-C power input
- MAX705 watchdog
- Watchdog output enable 1: enabled0: disabled
- CR1220 RTC battery holder RTC power supply, supports CR1220 button cell
- Watchdog output warning lights up if the watchdog is overflow
- Raspberry Pi 40PIN GPIO header
- RTC chip DS3231 high precision RTC chip
- Watchdog reset pin selection
- Control interface for use with other host boards
Pinout definition
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-inter.jpg)
Outline dimensions
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-details-size.jpg)
Resources & Services
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/common/res_banner.png)
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Package Contents
- RTC WatchDog HAT x1
- 2×20PIN female header x1
- Standoffs pack (2pcs) x1
1
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/RTC-WatchDog-HAT/RTC-WatchDog-HAT-3_220.jpg)
2
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accessories/2x20-2.54-8.5-12-female-header-black_93.jpg)
3
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accessories/offwhite-nylon-standoff-M2.5x15_93.jpg)
Shipping weight: | 0.03 Kg |