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Topic: Attiny and cr2032 battery power (Read 166 times) previous topic - next topic


Hello guys. How long can attiny85 last on a cr2032 3.3v battery with no sleep mode, no low power mode, or any other components attached, and the chip is just directly connected to the battery. A straight 3.3 volts directly to the chip.


Sep 23, 2020, 06:23 pm Last Edit: Sep 23, 2020, 06:30 pm by jremington
A rough estimate of the operating hours = (battery capacity in mAh)/(average circuit current draw in mA)

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