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

system November 6, 2012, 6:38am 8

Yes , the hall sensor output is digital so it goes high and low.

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