Electronic circuit schematics by category

    CategoryNo.Description
    Alarms98Alarms and security related electronic circuit diagrams / circuit schematics
    Amplifiers84Audio power amplifier circuit diagrams / circuit schematics
    Arduino54Arduino based circuit diagrams and general Arduino projects
    Audio111Misc audio circuit diagrams / circuit schematics (also see Music, Amplifiers and Preamp circuits)
    Automotive71Automotive, car and motorcycle electronic circuit diagrams / circuit schematics
    Control119Motor and general control electronic circuit diagrams / circuit schematics
    Data Acquisition42Data acquisition (DAQ) and data logging circuit diagrams / circuit schematics
    Filter45Electronic filter circuit diagrams / circuit schematics
    Games76Games and fun stuff (electronic circuit diagrams / projects)
    IR68Infrared based electronic circuit diagrams / circuit schematics
    Laser43LASER related power supplies and data transmission circuit diagrams / circuit schematics
    LED99LED related electronic circuit diagrams / circuit schematics
    Lighting51Lighting and light controller electronic circuit diagrams / circuit schematics
    Medical32Medical and health related electronic circuit diagrams / circuit schematics
    Metal37Metal detector circuit diagrams and projects
    Microcontroller133Microcontroller based electronic circuit diagrams / circuit schematics (also see Programmers)
    Misc225Miscellaneous electronic circuit diagrams / circuit schematics
    Models91Models, remote control toys, robotics related electronic circuit diagrams / circuit schematics
    Music84Music related electronic circuit diagrams / circuit schematics (also see Audio)
    PC116PC (personal computer) related electronic circuit diagrams / circuit schematics
    PDA20Smartphone / PDA / MP3 music player interface circuit diagrams / circuit schematics
    Photo42Photography related electronic circuits and electronic projects
    Power164Power supply and power control circuit diagrams / circuit schematics
    Preamp43Audio preamp circuit diagrams / circuit schematics
    Programmers21Circuit diagrams and construction details for microcontroller programmers
    RF187Radio-frequency RF circuit diagrams (also see RF Amplifier and Transmitter circuit diagrams)
    RF_Amplifier32RF (radio frequency) amplifier circuit schematics (also see RF and Transmitter circuit diagrams)
    Solar38Solar-power electronic circuits and electronic projects
    Telephone74Telephone and intercom related electronic circuits and electronic projects
    Test195Test equipment circuit diagrams and electronic projects
    Timing79Timing and oscillator circuit diagrams / circuit schematics
    Transmitters94Transmitter circuit schematics includding bugging device circuits (also see RF circuit diagrams)
    Tube42Vacuum tube / valve, VFD and nixie tube based circuits and projects
    Video69Video related circuit schematics / circuit diagrams including video transmitter circuits