# Arduino pin interrupts

**URL:** <https://www.thethingsnetwork.org/forum/t/arduino-pin-interrupts/28018>\
**Category:** Hardware\
**Created:** [April 27, 2019, 9:45am UTC](https://www.thethingsnetwork.org/forum/t/arduino-pin-interrupts/28018 "2019-04-27T09:45:52Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![LoRaTracker](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/loratracker/32/48502_2.png) [@LoRaTracker](https://www.thethingsnetwork.org/forum/u/LoRaTracker)\
**Post date:** [July 9, 2019, 5:52am UTC](https://www.thethingsnetwork.org/forum/t/arduino-pin-interrupts/28018/16 "2019-07-09T05:52:43Z")

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> [@Full Arduino Mini LoraWAN below 1uA Sleep Mode](https://www.thethingsnetwork.org/forum/t/full-arduino-mini-lorawan-below-1ua-sleep-mode/8059/321):
>
> so i guess i will just buy a tpl5110 from adafruit and turn on and off the 3.3v to the board every X min, it should consume even less

Or more likely switching the board off like that will consume more power …

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