Hi I am trying to make a small outdoor project in which an arduino uno runs on battery power (3.7v 270 mAh), and that it collects temperature data for 5 minutes, then goes to "sleep" for 30 min, "wakes up", collects temp data for 5 minutes, and then goes back to sleep for 30 min, etc etc... I thin…

Advice? - Making Arduino Uno "sleep" & "wake up"

perhof May 16, 2012, 4:03pm 6

You can also check the PCF8563 which is another RTC with alarm function.

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