The course deals with the basic concepts and techniques of electronics. The primary objective of the course is to deepen the understanding of the electronic devices that are part of the technologies that surround us and the role they play in the measurements of physical quantities. Particular attention will be paid to increasing knowledge for: identifying the applications and potential of electronics in physics laboratories; recognize the different electronic components used for the different electronic functions; be able to analyze simple analog and digital electronic circuits; be able to manage the basic instrumentation present in an electronics laboratory. To achieve the objectives, the course includes lectures, numerical exercises, use of circuit simulators, laboratory exercises.