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Registration is free. Download free SPICE files, participate in the SPICE Simulation forum, view documentation. You can become a SPICE Simulation Designer at any time which will enable you to upload your SPICE simulation files and select an appropriate license option (make your project available for free, SHARE or you may wish to sell).

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Last uploaded SPICE projects

  • Lights, windows and doors, Alarm Control System for Home Automation

    Created by Gojorgego, published on 28-08-2014

    In this project there are 4 circuits controlled by a PIC16F877a. The lights are replaced with LEDs. In addition to the contol lights, the PIC checks the state (open-close) of doors and windows. The sensors are replaced with switches. A simulation of presence system (SSP), turn on some lights of the house, when one or more motion sensors in the garden are activated. A protection system for absence (SPA) disconnect the electrical elements, in our case, the lights of the house. A graphical user interface, built with Visual BASIC 6, communicates with the proteus project through a virtual serial port. The user can enable or disable the control systems manually with switches or by the graphical interface.

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Proteus 7+ Yes 51-100
  • Lights Brightness Control System Module

    Created by Gojorgego, published on 18-08-2014

    The module, implemented with a PIC 16F877a, consists of 4 circuits, light sensors,a zero crossing detection circuit, the brightness system control and the serial communication circuit. The crossing detector circuit let us to synchronize the PIC with the AC network, detecting the zero crossing of the voltage. The brightness controller is implemented via software with a pulse that drives the triac through an optocoupler MOC3021. The source code is compiled by PIC C compiler.

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Proteus 7+ Yes 31-50
  • Temperature Control System Module

    Created by Gojorgego, published on 13-08-2014

    SPICE simulation of a Temperature Control System Module implemented with a PIC16F877A. This is a module of a centralized home automation system. The temperature is measured by the sensor LM35, the setpoint and current temperature values are shown on a LCd display. The PIC drives a heating system and a ventilation system. On "winter position" of the switch, if the temperature drops below the winter setpoint temperature, the module turn on the heating system, and turn it off when the temperature exceeds the setpoint value. On "summer position", if the temperature is higher than the summer setpoint temperature the PIC turn on the ventilation system and turn it off if the temperature drops down the setpoint value. The C source code is compiled with PIC C compiler.

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Proteus 7+ Yes 21-30
  • Gilmore ClassA Headphone Amplifier

    Created by Doubleh2ad, published on 03-08-2014

    Gilmore Headphone Amplifier with and without a DC-Servo. (2 Chematics in the zip.file) As OpAmp i´ve used the OP077 BurrBrown Amp (wich isn´t in the zip.file), but the TL071 will also works. With a little bit finetuning u can get the same DC Offset without the servo.

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple LTspice IV Yes 31-50 1
  • Class A Audio Amplifier

    Created by Doubleh2ad, published on 02-08-2014

    Class A Audio Amplifier with Darlington Transistors

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate LTspice 5 Yes 21-30