External Watchdog Timer for Arduino/ESP/Raspberry

Product details of External Watchdog Timer for Arduino/ESP/Raspberry External Watchdog Timer Breakout Board for any Micro Controller with Reset Pin New Version 3.0 (full SMD, small dimensions) Made in Thailand! Every WDT is tested before shipping! Watchdog Timers, are required to watch over Micro Controlled Systems, and perform a system reset when the MC gets hung. Use for critical or remote applications, where operator cannot always go and perform a manual reset. Ideal for IoT applications, which require long watch intervals! Timing till Reset: 35-40 seconds Supply Voltage: 5V Requires: 1 GPIO Pin from Micro Controller to send "Alive Pulse" Pulse lenght: 50 ms Pulse Frequency: at least 1 pulse every 5s Size 30x22x13mm