Alex Dolzhenkov 7376c02bbf Add linear approximation and use it for improving battery percentage
Add linear approximation class and use it to better model the non-linear
discharge curve of the battery.

Changed the minimum voltage level to 3.5V and the maximum to 4.18V. For
reference the maximum observed voltage is 4.21V during charging.
2022-11-19 16:34:03 +01:00
..
2022-06-05 09:15:46 +03:00
2022-01-04 02:00:03 +00:00