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Main image of RTC WatchDog HAT for Raspberry Pi 4B/3B+/3B/2B/Zero W/Zero WH/Zero 2W /Jetson Nano, Onboard DS3231SN High Precision RTC Chip, Real Time Clock, Watchdog, Auto Reset Monitoring, All in One Module

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RTC WatchDog HAT for Raspberry Pi 4B/3B+/3B/2B/Zero W/Zero WH/Zero 2W /Jetson Nano, Onboard DS3231SN High Precision RTC Chip, Real Time Clock, Watchdog, Auto Reset Monitoring, All in One Module

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RTC WatchDog HAT with standard Raspberry Pi 40PIN GPIO header, for Raspberry Pi series boards, Jetson Nano, Real time clock, watchdog, all in one compact module; Incorporates DS3231SN high precision RTC chip, with backup battery holder; Auto reset monitoring, monitoring circuit with auto reset function, using I2C communication

Overview

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Overview This RTC WatchDog HAT (B) is designed for Raspberry Pi with high-precision RTC and watchdog HAT, which refreshes and counts at a limited time and the watchdog circuit can reset the system. Features -- Onboard auto reset monitoring circuit. -- Onboard high-precision clock chip (DS3231SN) for providing accurate timing control. -- Support I2C communication and a 16-bit counter. -- Onboard the watchdog status indicator to warn the watchdog timeout.
Parameters -- Communication interface: I2C --
RTC chip: DS3231 --
Watchdog chip: CH32V003 --
Power supply: 5V --
Dimensions: 30.5 mm x 65mm --
Fixed hole diameter: 3.0 mm Package Content -- RTC WatchDog HAT (B) x1 -- 2×20PIN female header x1 -- Standoffs pack x1
NOTE: Online Development Resources and Technical Support are provided, please feel free to contact us if you have any problem!

Additional Information
First Listed on Newegg	July 31, 2026

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Return for refund within: 30 days
Return for replacement within: 90 days
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Item#: 9SIC6T2M3B2006