Electronic circuit schematics by category

    CategoryNo.Description
    Alarms90Alarms and security related electronic circuit diagrams / circuit schematics
    Amplifiers86Audio power amplifier circuit diagrams / circuit schematics
    Arduino35Arduino based circuit diagrams and general Arduino projects
    Audio113Misc audio circuit diagrams / circuit schematics (also see Music, Amplifiers and Preamp circuits)
    Automotive71Automotive, car and motorcycle electronic circuit diagrams / circuit schematics
    Control118Motor and general control electronic circuit diagrams / circuit schematics
    Data Acquisition42Data acquisition (DAQ) and data logging circuit diagrams / circuit schematics
    Filter33Electronic filter circuit diagrams / circuit schematics
    Games77Games and fun stuff (electronic circuit diagrams / projects)
    IR73Infrared based electronic circuit diagrams / circuit schematics
    Laser39LASER related power supplies and data transmission circuit diagrams / circuit schematics
    LED97LED related electronic circuit diagrams / circuit schematics
    Lighting51Lighting and light controller electronic circuit diagrams / circuit schematics
    Medical29Medical and health related electronic circuit diagrams / circuit schematics
    Microcontroller134Microcontroller based electronic circuit diagrams / circuit schematics (also see Programmers)
    Misc225Miscellaneous electronic circuit diagrams / circuit schematics
    Models87Models, remote control toys, robotics related electronic circuit diagrams / circuit schematics
    Music84Music related electronic circuit diagrams / circuit schematics (also see Audio)
    PC111PC (personal computer) related electronic circuit diagrams / circuit schematics
    PDA18Smartphone / PDA / MP3 music player interface circuit diagrams / circuit schematics
    Photo39Photography related electronic circuits and electronic projects
    Power154Power supply and power control circuit diagrams / circuit schematics
    Preamp40Audio preamp circuit diagrams / circuit schematics
    Programmers20Circuit diagrams and construction details for microcontroller programmers
    RF180Radio-frequency RF circuit diagrams (also see RF Amplifier and Transmitter circuit diagrams)
    RF_Amplifier29RF (radio frequency) amplifier circuit schematics (also see RF and Transmitter circuit diagrams)
    Solar39Solar-power electronic circuits and electronic projects
    Telephone87Telephone and intercom related electronic circuits and electronic projects
    Test172Test equipment circuit diagrams and electronic projects
    Timing87Timing and oscillator circuit diagrams / circuit schematics
    Transmitters97Transmitter circuit schematics includding bugging device circuits (also see RF circuit diagrams)
    Video54Video related circuit schematics / circuit diagrams including video transmitter circuits