New answers tagged sleep
1
During my Deep Sleep experiments I noticed that a couple of pins held their state through a Deep Sleep reset, but I didn't write it down anywhere. Simple observation suggests that any of the pins that wiggle during boot will NOT be retained, which leaves just GPIO4 and GPIO5 for likely candidates. Try it and see!
During Deep Sleep the pins hold their state,...
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You may not need to use an RTC to wake up. Jeelabs has done extensive work on low-power consumption maybe you just need to use the jeelib library from Github. They even sold (not anymore) ultra low power optimized UNO compatible devices (https://jeelabs.org/202x/jnc/). You find jeelib on github on the linked page.
Look at the Sleepy class. It does some low ...
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