function [voltage_V,current_A,strpot_mm,encoder_rad] = convert_to_physical_units(voltage,current,str_pot,encoder)
% Convert the raw DAQ data to physical units. 
%   Note: the conversion constants are generated using the calibration script. See details there. 

voltage_V = -2.15   * (voltage - 0.01);    % V
current_A = -0.1075  * (current - 0.015);  % A
strpot_mm = -6.8  * (str_pot + 3.8);      % mm
encoder_rad = -0.01309 * encoder;          % rad