Introduction Tools — the main tools needed: Components, Resistors, Capacitors, Semiconductors Circuit Development — the design and manufacture of boards: Printed circuit board design principles, Layout, Practical considerations, Etching Equipment, Maintaining printed circuit board usability, Drilling, Component insertion, Component soldering and hand soldering technique, Component lead cuttingEnclosures, fixings and Hardware: Enclosure types, Printed circuit board mounting methods, Input/output, Front/rear panel layout and marking, Other considerations, Connectors, Fuses and Circuit Breakers, Optoelectronics, Switches, TransformersProjects: Guitar pre-amp, Kitchen timer, Rechargeable battery charger, Bench PSU