I am using RAK4631 core with RAK5811 ADC module to take voltage samples every 2 minutes and send data over LoRaWAN. I want my device to enter deep sleep while it is doing nothing so I used:
In the setup:
In the loop:
However, I could only get lowest current current consumption of 4mA. Am I missing anything? Is there any way to get my core reach uA power consumption level?