A watchdog timer is a hardware safety feature that can reset a microcontroller in case it hangs. An example could be in case of a runaway loop. When the timer resets the microcontroller when it ...

Watchdog timer functionality for the Silicon Labs Arduino Core. The watchdog timer can be used to reset the MCU if it gets stuck or misses a timing deadline. The timeout of the watchdog timer is ...

The ATMega328p, the chip at the heart of all your Arduino Uno clones, has within it a watchdog timer that clicks over at a rate of 110 kHz. This watchdog timer is somewhat sensitive to temperature ...

Many of these are based around some sort of Arduino-powered CPU ... alarming when the device isn’t working, and watchdog timers to guard against lockup. One excellent point from the post ...