values formula:
ADC_V/5*1024*20/(2^6) -> ADC_V*64 //for current and voltage
ADC_V/5*1024*20/(2^7) -> ADC_V*32 //for strain

for current, gain=101, and resistor 500A=75mV gives 0.01515 V_ADC per Amp, and 0.9696 counts per Amp

for voltage, divider=18/348=0.0517 V per V_bat, and 3.31 counts per V_bat

for strain gage, do realtime calibration (nominally 1 count per lb)

values calibration:
0V=0
15.4V=52

0A=1
5A=7

0lb=~10
8lb=~18