A hand-held power tool comprising: a motive source; an output shaft protruding from an output end of the motive source; wherein the output shaft is functionally coupled to the motive source such that the output shaft rotates in response to activation of the motive source when the motive source is supplied with power; an endbell located adjacent the motive source opposite the output shaft; a user interface movable among a plurality of mode positions to select one of a plurality of operation modes of the motive source; wherein the user interface is accessible from exterior of the housing assembly; wherein the user interface is located adjacent the endbell opposite the output shaft; wherein the user interface adjusts operation of the hand-held power tool to the plurality of operation modes; and characterized by: a printed circuit board located between the endbell and the user interface; wherein the PCB is configured to interact with the user interface to select one of the plurality of operation modes of the motive source and wherein the PCB includes a plurality of sensors positioned on the PCB wherein each of the plurality of sensors identifies a location of one of the plurality of mode positions; further comprising one or more sensor actuators located on the user interface, wherein the one or more sensor actuators are movable to a position that corresponds to one of the plurality of sensors that correspond to a location of one of the plurality of mode positions; wherein the user interface includes a control knob which is rotatable about a knob axis to the plurality of mode positions; wherein the one or more sensor actuators are located on the control knob; and wherein the plurality of sensors and the one or more sensor actuators do not physically make contact. a motive source; an output shaft protruding from an output end of the motive source; wherein the output shaft is functionally coupled to the motive source such that the output shaft rotates in response to activation of the motive source when the motive source is supplied with power; an endbell located adjacent the motive source opposite the output shaft; a user interface movable among a plurality of mode positions to select one of a plurality of operation modes of the motive source; wherein the user interface is accessible from exterior of the housing assembly; wherein the user interface is located adjacent the endbell opposite the output shaft; wherein the user interface adjusts operation of the hand-held power tool to the plurality of operation modes; and characterized by: a printed circuit board located between the endbell and the user interface; wherein the PCB is configured to interact with the user interface to select one of the plurality of operation modes of the motive source and wherein the PCB includes a plurality of sensors positioned on the PCB wherein each of the plurality of sensors identifies a location of one of the plurality of mode positions; further comprising one or more sensor actuators located on the user interface, wherein the one or more sensor actuators are movable to a position that corresponds to one of the plurality of sensors that correspond to a location of one of the plurality of mode positions; wherein the user interface includes a control knob which is rotatable about a knob axis to the plurality of mode positions; wherein the one or more sensor actuators are located on the control knob; and wherein the plurality of sensors and the one or more sensor actuators do not physically make contact. a printed circuit board located between the endbell and the user interface; wherein the PCB is configured to interact with the user interface to select one of the plurality of operation modes of the motive source and wherein the PCB includes a plurality of sensors positioned on the PCB wherein each of the plurality of sensors identifies a location of one of the plurality of mode positions; further comprising one or more sensor actuators located on the user interface, wherein the one or more sensor actuators are movable to a position that corresponds to one of the plurality of sensors that correspond to a location of one of the plurality of mode positions; wherein the user interface includes a control knob which is rotatable about a knob axis to the plurality of mode positions; wherein the one or more sensor actuators are located on the control knob; and wherein the plurality of sensors and the one or more sensor actuators do not physically make contact.