Electronic circuit schematics by category

    CategoryNo.Description
    Alarms98Alarms and security related electronic circuit diagrams / circuit schematics
    Amplifiers87Audio power amplifier circuit diagrams / circuit schematics
    Arduino54Arduino 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 Acquisition43Data acquisition (DAQ) and data logging circuit diagrams / circuit schematics
    Filter38Electronic filter circuit diagrams / circuit schematics
    Games77Games and fun stuff (electronic circuit diagrams / projects)
    IR75Infrared based electronic circuit diagrams / circuit schematics
    Laser38LASER related power supplies and data transmission circuit diagrams / circuit schematics
    LED98LED related electronic circuit diagrams / circuit schematics
    Lighting51Lighting and light controller electronic circuit diagrams / circuit schematics
    Medical31Medical and health related electronic circuit diagrams / circuit schematics
    Microcontroller135Microcontroller based electronic circuit diagrams / circuit schematics (also see Programmers)
    Misc236Miscellaneous electronic circuit diagrams / circuit schematics
    Models88Models, remote control toys, robotics related electronic circuit diagrams / circuit schematics
    Music84Music related electronic circuit diagrams / circuit schematics (also see Audio)
    PC118PC (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
    Power164Power supply and power control circuit diagrams / circuit schematics
    Preamp42Audio preamp circuit diagrams / circuit schematics
    Programmers21Circuit diagrams and construction details for microcontroller programmers
    RF186Radio-frequency RF circuit diagrams (also see RF Amplifier and Transmitter circuit diagrams)
    RF_Amplifier33RF (radio frequency) amplifier circuit schematics (also see RF and Transmitter circuit diagrams)
    Solar38Solar-power electronic circuits and electronic projects
    Telephone88Telephone and intercom related electronic circuits and electronic projects
    Test180Test equipment circuit diagrams and electronic projects
    Timing94Timing and oscillator circuit diagrams / circuit schematics
    Transmitters97Transmitter circuit schematics includding bugging device circuits (also see RF circuit diagrams)
    Video70Video related circuit schematics / circuit diagrams including video transmitter circuits