Includes index. "Revision history for the first edition: 2012-10-13: first release ; 2012-12-04: second release ; 2013-05-03: third release"--Title page verso. Corrections and additons made with each release (see online errata). Previous editions published by O'Reilly & Associates.

v. 1. Power sources & conversion: resistors, capacitors, inductors, switches, encoders, ralays, transistors -- v. 2. Signal processing : diodes, transistors, chips, light, heat, sound emitters.