Huge online library of schematic diagrams Elecrom December 8, 2016; Updated On: December 8th, 2016 0 Circuit Diagram, or Schematics is the language of electronics. It provides a concise and comprehensive diagrammatic description of a circuit. Schematics.com allows users to connect and share designs and ideas in a like-minded community. It is like a library of schematic diagrams. It has a large collection of schematics such as, audio-tone code decoders, house hold circuits (Dog repellent, mosquito repellent), voltage indicators, electronic counter, home automation systems, and many more ! Screenshot: