Electronic circuit schematics by category

    CategoryNo.Description
    Alarms96Alarms and security related electronic circuit diagrams / circuit schematics
    Amplifiers86Audio power amplifier circuit diagrams / circuit schematics
    Arduino34Arduino based circuit diagrams and general Arduino projects
    Audio113Misc audio circuit diagrams / circuit schematics (also see Music, Amplifiers and Preamp circuits)
    Automotive72Automotive, car and motorcycle electronic circuit diagrams / circuit schematics
    Control128Motor and general control electronic circuit diagrams / circuit schematics
    Data Acquisition50Data acquisition (DAQ) and data logging circuit diagrams / circuit schematics
    Filter33Electronic filter circuit diagrams / circuit schematics
    Games79Games and fun stuff (electronic circuit diagrams / projects)
    IR75Infrared based electronic circuit diagrams / circuit schematics
    Laser39LASER related power supplies and data transmission circuit diagrams / circuit schematics
    LED97LED related electronic circuit diagrams / circuit schematics
    Lighting55Lighting and light controller electronic circuit diagrams / circuit schematics
    Medical26Medical and health related electronic circuit diagrams / circuit schematics
    Microcontroller201Microcontroller based electronic circuit diagrams / circuit schematics (also see Programmers)
    Misc221Miscellaneous 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)
    PC128PC (personal computer) related electronic circuit diagrams / circuit schematics
    PDA19Smartphone / PDA / MP3 music player interface circuit diagrams / circuit schematics
    Photo39Photography related electronic circuits and electronic projects
    Power167Power supply and power control circuit diagrams / circuit schematics
    Preamp41Audio preamp circuit diagrams / circuit schematics
    Programmers34Circuit diagrams and construction details for microcontroller programmers
    RF181Radio-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)
    Solar45Solar-power electronic circuits and electronic projects
    Telephone88Telephone and intercom related electronic circuits and electronic projects
    Test176Test equipment circuit diagrams and electronic projects
    Timing92Timing and oscillator circuit diagrams / circuit schematics
    Transmitters98Transmitter circuit schematics includding bugging device circuits (also see RF circuit diagrams)
    Video56Video related circuit schematics / circuit diagrams including video transmitter circuits