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

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1,608.85

  1. MAX705 monitoring circuit with auto-reset function
  2. Incorporates DS3231SN high precision RTC chip, with backup battery holder
  3. Reset pin selection for switching watchdog
  • Estimated delivery time 2-4 days
  • (Subject to stock Availability)
SKU: rz24323646

Product details

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:

  1. USB Type-C power input
  2. MAX705 watchdog
  3. Watchdog output enable
    1: enabled
    0: disabled
  4. CR1220 RTC battery holder: RTC power supply supports CR1220 button cell
  5. Watchdog output warning: lights up if the watchdog is overflow
  6. Raspberry Pi 40PIN GPIO header
  7. RTC chip: DS3231 high precision RTC chip
  8. Watchdog reset pin selection
  9. Control interface for use with other host boards

Features :

  1. MAX705 monitoring circuit with auto-reset function
  2. Incorporates DS3231SN high precision RTC chip, with backup battery holder
  3. Reset pin selection for switching watchdog
  4. Indicator for watchdog output warning

Specifications:

Max705 Specifications:
  1. Operating Voltage Range:1~5.5 V
  2. Supply Current:150 µA
  3. Reset Threshold Voltage:4.50~4.75 V
  4. Watchdog Timeout Period:1~2.25 V
  5. WDI Input Current: 50 µA
DS3231 Specifications:
  1. Supply Voltage:2.3~5.5 V
  2. Active Supply Current: (i)200 µA @3.3 V (ii)300 µA @5.5 V
  3. Output Frequency:32.768 kHz
  4. SCL Clock Frequency:100 kHz

Package Includes:

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

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