Electronic circuit schematics by category

    CategoryDescription
    AlarmsAlarms and security related electronic circuit diagrams / circuit schematics
    AmplifiersAudio power amplifier circuit diagrams / circuit schematics
    AudioMisc audio circuit diagrams / circuit schematics (also see Music, Amplifiers and Preamp circuits)
    AutomotiveAutomotive, car and motorcycle electronic circuit diagrams / circuit schematics
    ControlMotor and general control electronic circuit diagrams / circuit schematics
    Data AcquisitionData acquisition (DAQ) and data logging circuit diagrams / circuit schematics
    FilterElectronic filter circuit diagrams / circuit schematics
    GamesGames and fun stuff (electronic circuit diagrams / projects)
    IRInfrared based electronic circuit diagrams / circuit schematics
    LaserLASER related power supplies and data transmission circuit diagrams / circuit schematics
    LEDLED related electronic circuit diagrams / circuit schematics
    LightingLighting and light controller electronic circuit diagrams / circuit schematics
    MedicalMedical and health related electronic circuit diagrams / circuit schematics
    MicrocontrollerMicrocontroller based electronic circuit diagrams / circuit schematics
    MiscMiscellaneous electronic circuit diagrams / circuit schematics
    ModelsModels, remote control toys, robotics related electronic circuit diagrams / circuit schematics
    MusicMusic related electronic circuit diagrams / circuit schematics (also see Audio)
    PCPC (personal computer) related electronic circuit diagrams / circuit schematics
    PDASmartphone / PDA / MP3 music player interface circuit diagrams / circuit schematics
    PhotoPhotography related electronic circuits and electronic projects
    PowerPower supply and power control circuit diagrams / circuit schematics
    PreampAudio preamp circuit diagrams / circuit schematics
    RFRadio-frequency RF circuit diagrams / circuit schematics (also see Transmitter circuit diagrams)
    SolarSolar-power electronic circuits and electronic projects
    TelephoneTelephone and intercom related electronic circuits and electronic projects
    TestTest equipment circuit diagrams and electronic projects
    TimingTiming and oscillator circuit diagrams / circuit schematics
    TransmittersTransmitter circuit schematics includding bugging device circuits (also see RF circuit diagrams)
    VideoVideo related circuit schematics / circuit diagrams including video transmitter circuits