The below code uses a hall sensor to calculate flow using interrupt on INT0. While the flow is not present I want the Attiny to go to sleep. I am using the power down mode . While the attiny is awake the current usage is 24 mA with LED on , where as when Attiny goes to sleep the current drops to 3.…

ATtiny 85 not waking up

nickgammon November 6, 2012, 5:54am 7

cimon:
Thanks for all the replies
But changing it to LOW did not help.

Are you bringing the line low when you want it to wake up? And have it high the rest of the time?

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