This book traces the development of smart sensors and explains the methods that provide the required intelligence: microcontroller (MCU), digital signal processor (DSP), and application specific integrated circuit (ASIC) technologies. It addresses the latest developments in microelectronics and provides examples of prime applications for smart sensors such as portable control systems, including medical, automotive and industrial equipment. The book is intended for engineers and technicians interested in applying sensors, program managers looking for insights into enabling technology, and sensor experts who want to apply electronic techniques to mechanical sensing.