Waveshare RTC WatchDog HAT for Raspberry Pi, Auto Reset, High Precision RTC

This is a Waveshare RTC WatchDog HAT for Raspberry Pi, Auto Reset, High Precision RTC. It is an easy way to enable a global positioning function for your Raspberry Pi. What's on Board: USB Type-C power input MAX705 watchdog Watchdog output enable 1: enabled 0: 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 Features : MAX705 monitoring circuit with auto-reset function Incorporates DS3231SN high precision RTC chip, with backup battery holder Reset pin selection for switching watchdog Indicator for watchdog output warning Package Includes: 1 x Waveshare RTC WatchDog HAT for Raspberry Pi, Auto Reset, High Precision RTC

Specifications

Item Type:	HAT
Compatibility:	Pi Series
HAT Type:	RTC HAT
Additional Specs.:	Operating Voltage Range:1~5.5 V Supply Current:150 µA Reset Threshold Voltage:4.50~4.75 V Watchdog Timeout Period:1~2.25 V WDI Input Current: 50 µA
DS3231	Supply Voltage:2.3~5.5 V Active Supply Current: (i)200 µA @3.3 V (ii)300 µA @5.5 V Output Frequency:32.768 kHz SCL Clock Frequency:100 kHz
Shipping Weight	0.02 kg
Shipping Dimensions	7.5 × 6 × 1 cm