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

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$19.95

Brand	Waveshare
SKU:	1043-1
Condition:	New

Description
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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