Watchdog Timer Module


Out of stock

SKU: DOG Category:


Connects to your Arduino or other microcontroller project and makes sure it keeps running by watching for a “heartbeat” signal. If the signal stops, the watchdog uses the microcontroller reset line to kick it back into life. Ideal for projects that are mounted in hard-to-reach places and need to keep running with long term reliability. Selectable 5 minute or 1 minute timeout interval.


  • Watches for microcontroller activity
  • Resets your project if it locks up or stops responding
  • 5 minute (default) or 1 minute timeout interval
  • Green LED to show heartbeat activity
  • Red LED to show watchdog timeout
  • Dimensions 22mm x 15mm x 4mm
  • 0.84mA continuous current draw at 3.3V supply
  • 1.75mA continuous current draw at 5V supply


Additional information

Weight 5 g
Dimensions 100 × 70 × 10 mm


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