# Full Arduino Mini LoraWAN below 1uA Sleep Mode **URL:** \ **Category:** End Devices (Nodes)\ **Created:** [June 22, 2017, 3:45pm UTC](https://www.thethingsnetwork.org/forum/t/full-arduino-mini-lorawan-below-1ua-sleep-mode/8059 "2017-06-22T15:45:10Z")\ **Posts on this page:** 1\ **Showing post:** 312
**Author:** ![BoRRoZ](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/borroz/32/44234_2.png) [@BoRRoZ](https://www.thethingsnetwork.org/forum/u/BoRRoZ)\ **Post date:** [July 12, 2019, 9:30am UTC](https://www.thethingsnetwork.org/forum/t/full-arduino-mini-lorawan-below-1ua-sleep-mode/8059/312 "2019-07-12T09:30:39Z")
GREAT NEWS ! > [@CH2I ULP node library open source!](https://www.thethingsnetwork.org/forum/t/ch2i-ulp-node-library-open-source/28016): > > [17%20AM] @Charles , CH2I , has decided that he will open source his [ULP node](https://hallard.me/ulpnode-low-power-secret/) library and that is very good news for all of us ultra low power users !! [IMG\_6084] Because his library is only used for his customers until now and closed source , its not completely ready to present to the general public. ’ And at least, but not least, since I’m not going to works on more (just maintenance) I will open source ULPNode library and some demo sketch, including this one. The library is very powerfu… --- _[View the full topic](https://www.thethingsnetwork.org/forum/t/full-arduino-mini-lorawan-below-1ua-sleep-mode/8059)._