Discover Circuits

discovercircuits.com was launched in 2002 and currently has 30,000+ electronic circuits or schematics carefully cross-referenced into 500+categories. The site is a one- stop resource for engineers, hobbyists, inventors and consultants. It offers quick solutions to problems in electronic design. The site is owned by David A. Johnson, P.E.—an electronics engineer with over 30 years of practical experience in the areas of analogue and digital design, fibre optics and RFID.