RTC WatchDog HAT (B) For Raspberry Pi, Onboard DS3231SN High Precision RTC Chip

Waveshare 25766 - RTC WatchDog HAT (B) For Raspberry Pi, Onboard DS3231SN High Precision RTC Chip - RTC Watchdog HAT (B) The RTC Watchdog HAT (B) for Raspberry Pi provides reliable timekeeping and system protection. It features an onboard DS3231SN high-precision RTC chip and hardware watchdog function. This HAT helps maintain accurate clock data and can automatically reset the system if it becomes unresponsive. Designed for Raspberry Pi projects that demand stability and accuracy. Features Designed For Raspberry Pi Series: Standard Raspberry Pi 40PIN GPIO Header, For Raspberry Pi Series Boards, Jetson Nano 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 Includes RTC WatchDog HAT (B) x1 2×20PIN female header x1 Standoffs pack x1 What's On Board USB Type-C power input CH32V003 watchdog CR1220 RTC battery holder RTC power supply, supports CR1220 button cell 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 Power indicator Raspberry Pi 40PIN GPIO header for connecting to Raspberry Pi RTC chip DS3231 high precision RTC chip Watchdog reset pin selection Control interface for use with other host boards Pinout Definition Outline Dimensions Resources WIKI: www.waveshare.com/wiki/RTC_WatchDog_HAT_(B)