AN INSTRUCTIONAL DEVICE FOR TEACHING ELECTRONICS TECHNOLOGY

摘要

The present utility model relates generally to an instructional device as an aid in teaching electronics technology and more particularly, an instructional device used as an aid in teaching the operating principles of an electrical and/ or electronic switch. The present utility model is comprised of a housing unit, switching unit and terminal block. The switching unit further comprises of plurality of knobs which is movable along an axis to demonstrate the switching states of a mechanical electronic switch.