lethe wrote:...
The LDO reaper7 suggested is probably the best & cheapest solution, but you should test how the LDO behaves if the input voltage drops below 3.4V.
3152mV and still works
probably a deepsleep current consumption bug in version 095
and I can see battery consumption in a shorter period of time..
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next day...
2936mV and all systems still works
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end
2768mV
SDM Energy Meter: https://github.com/reaper7/SDM_Energy_Meter
MLEDScroll (TM1640 led matrix): https://github.com/reaper7/MLEDScroll