I'm using this code snipped: set_sleep_mode(SLEEP_MODE_PWR_DOWN); noInterrupts(); sleep_enable(); sleep_bod_disable(); \ interrupts(); sleep_cpu(); When calling this right before Setup ends, it works, My circuit goes down from 9mA to 4mA which is ~5mA my Atmega328 needs! When calling this functio…

A way to find out the Source of interrupt?

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