Computer circuits categories are good both for a bright kid or an adult that wants to construct some useful Computer circuits. There is plenty of information and several important concepts. Some are Clear and clean schematic diagrams, some are CAD produced pcb layouts, are all here. 100s of Computer circuits for every hobbyist, technician, student, and design professional. An nice reference tool which includes lots of Computer circuits. look at these circuit ideas, some of them may need some modification if they are to work as advertised. Ideas along with pretty good descriptions for each circuit.