ADC Gain
-========
-single-ended resolution: 0.001074 V .. 1.1000 V
-differential resolution 8x gain: 0.000134 V .. 0.1375 V
-differential resolution 20x gain: 0.000054 V .. 0.0550 V
-differential resolution 32x gain: 0.000036 V .. 0.0344 V
+======== 0.033R sensign res.
+single-ended resolution: 0.001074 V .. 1.1000 V 32.55 .. 33333 mA
+differential resolution 8x gain: 0.000134 V .. 0.1375 V 4.06 .. 4166 mA
+differential resolution 20x gain: 0.000054 V .. 0.0550 V 1.64 .. 1666 mA
+differential resolution 32x gain: 0.000036 V .. 0.0344 V 1.09 .. 1042 mA
analog input resistance 100 MOhm
2000 mAh: 1.0 mA -> 83 days capacity
2000 mAh: 0.1 mA -> 833 days capacity
+Converter reaction
+==================
+step-up: 4-5 adc measurements to ADC voltage increase
+step-down 2: 1-2 ---""---
+timer: 34-38 ADC measurements per jiffy (200 Hz)