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Obviously it doesn't make that much difference for a fun project with a large 1000mAh battery, but <44 μA for deep sleep isn't very good.

https://archive.is/2YBHS with an nrf52840 you can get <1uA. It doesn't do wifi but long range BLE can go over 2km range.




Have you tested their newest XIAO MG24, based on Silabs? It's said the power consumption is even better than the nrf52840 model.




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