A Heath/Zenith H/Z-90 personal workstation for a PRIME 550 host computer has been developed. The personal computer-based workstation has local editing capability with automatic upload and download of PRIME files, supports a local printer, and provides backup of files on local floppy disk. (Author)

Describes an inexpensive, simple, microprocessor-based instrument which quickly and accurately measures and displays the indicated power and the pressure-volume indicator diagram of a reciprocating compressor or internal combustion engine. Hardware requirements, software considerations, and the instrument's educational value are discussed. (JN)

Describes a system (Apple II microcomputer interfaced to flexible, custom-designed digital hardware) which can provide: (1) Fast Fourier Transform (FFT) computation on real-time data with a video display of spectrum; (2) frequency synthesis experiments using the inverse FFT; and (3) real-time digital filtering experiments. (JN)

This paper describes the design and construction of a local network of microcomputers at the Electrical Computer Engineering Department at Florida Institute of Technology. The design criteria for such a network and the possible applications are discussed. (JN)

Discusses the use of interactive computer graphics in developing student exercises on various concepts of electrical engineering. These exercises include drill and practice, homework, remedial work, and interactive laboratory reporting. In addition, a computer assisted program is used by instructors. (JN)

Describes modifications made to expand the capabilities of a display unit (Lear Siegler ADM-3A) to include medium resolution graphics. The modifying circuitry is detailed along with software subroutined written in Z-80 machine language for controlling the video display. (JN)

Describes the design and implementation of a microcomputer-based model active solar heating system. Includes discussions of: (1) the active solar components (solar collector, heat exchanger, pump, and fan necessary to provide forced air heating); (2) software components; and (3) hardware components (in the form of sensors and actuators). (JN)