This paper is an introductory survey or sensors, displays, and signal processors of potential value to automotive control designers. The sensors section discusses position sensing, pressure sensing, and temperature sensing. The interface section discusses general use semiconductor signal processor-to-sensor interface components and single chip subsystem components. The displays and interface elements section covers standard digital displays and the interface elements required to dirve them. The paper makes a case for the ultimate success of “combinational components” which are defined as single chip components that combine the sensor and interface circuit.