We are three Dutch high school students in our final year and we are doing a project about digital logic. Home » online relay ladder logic simulator. Digital logic has relations to other kinds of logic including: Formal logic - as taught by many philosophy departments; Fuzzy logic - a tool used to design control systems and many other systems. MCU Circuit Simulation. Some of these circuit design software let you create schematic design, while some let you design PCB. Enhance your existing labs Emona netCIRCUITlabs is a complementary platform for your existing Analog & Digital Circuits labs. Logisim can be used to design and simulate entire CPUs for educational purposes. October 9, 2011 Performance up! Reduce time out errors. Best resources for eee, ece students. If you want to understand the innards of computers you need to know digital logic. Digital logic Integrated Circuits (ICs) are the amazing high performance computing engines within modern devices, such as PCs, phones, medical equipment, cars and games. Tina Cloud online circuit simulator. you do not need to install the Internet TRiLOGI application program on those other PCs at all). Electronics Circuit Simulator and Physics Virtual Laboratory. design combinational logic circuits • Combinational logic circuits do not have an internal stored state, i. io - Build and simulate logic circuits. The simulator engines have models for each component and a netlist is extracted from the schematic. This multimedia logic simulator software is simplest, most powerful, most universal languages known (Digital Logic). Verify by analysing or simulating the circuit. Just drag and drop the components to its editing window and prepare your circuit design. Digital logic is the foundation for digital computers. Use the hexadecimal keypads for your four-bit inputs, with hexadecimal displays to show the input values. Your objective is increase your score in the 3 areas: Truth Table, K Map, and Logic Gates while designing different digital circuits. It is based on innovative multi-core parallel computing technology, enabling systems-on-chip (SoCs) to get to market faster than current solutions. This article explains the basic logic gates like NOT Gate, AND Gate, OR Gate, NAND Gate, NOR Gate, EXOR Gate and EXNOR gate with their corresponding truth tables and circuit symbols. Electronic Circuit Schematics Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. In this part of the lab we are going to create a digital logic circuit in LabView. The course also includes challenging homework assignments and a breadboard simulator too. Logic Circuit Simulation. Learn some different logic control circuit options. Linux Circuit Simulator Gui Quite Universal Circuit Simulator (Qucs) is a open source electronics simulation. MicroLogix 1400 Programmable Logic Controller Systems. Its an experimental project of freelance Flash Platform developer Kris Temmerman. Logisim requires Java 5 or later. Logic Circuit. 1 Channel Audio Processor Surround Decoder functions to process the stereo signal into surround sound pro logic 5. SystemVision Cloud Webinars: Your Expert Guided Tour. October 9, 2011 Performance up! Reduce time out errors. Digital Circuit Projects: An Overview of Digital Circuits Through Implementing Integrated Circuits - Second Edition Description Digital circuits, often called Integrated Circuits or ICs, are the central building blocks of a Central Processing Unit (CPU). There are modules for each gate type, for each graphic output type and. Online schematic capture lets hobbyists easily share and discuss their designs, while online circuit simulation allows for quick design iteration and accelerated learning about electronics. A digital logic designer and circuit simulator. Open-book, open-notes, calculator allowed. It is called LogicSim and it is a digital logic simulator that can work from a web page. Who is online. Click the play button to start the simulation. Scheme-it is a free online schematic drawing tool that will allow you to produce professional looking schematic diagrams, add corresponding part numbers, and share your schematic with others. To make our own digital logic circuits we have built BOOLR, which we have created with JavaScript and lots of love. This included practice designing and constructing a circuit through the use of a digital circuit simulator. See below for more detailed instructions. Properties. Remote control circuit page automation circuits next gr hampton bay air conditioner ir reverse engineer. Getting Logisim. Instead the input and output circuits are push-pull connected transistors with the supply. The basic operations are described below with the aid of truth tables. From simple gates to complex sequential circuits, plot timing diagrams, automatic circuit generation, explore standard ICs, and much more – for free! Launch Simulator ». With the pro version, designers can export CircuitLogix schematics as PCB netlists for use in printed circuit board layout products. Boolean logic provides the foundation for computers and other modern digital electronics. Logic Simulator Pro contains multiple useful features such as: - Logic gates (AND,OR,NAND,NOT,NOR,XOR,XNOR). Technical info. These gates are the AND, OR, NOT, NAND, NOR, EXOR and EXNOR gates. 374 examines the device and circuit level optimization of digital building blocks. Logic Circuit Simulation. These circuits are discussed under Mixed Signal Simulation. Provides a worked-out example and C-language simulation source code for a digital communications link using the algorithms. Many digital devices take in information from their environment through buttons, keys, Either implement the circuit in the Logic Circuit Simulator or. User Guide. Spectrum Software makes the Micro-Cap SPICE simulator, a SPICE and PSPICE® compatible SPICE software analog and digital circuit simulator for electronic design automation circuit simulation. The logic simulator that helps you to learn basics of electronics. [Truth Table Examples] [Boolean Expression Simplification] [Logic Gate Examples] Here are some logic gate circuit problems: Draw a logic circuit for (A + B)C. At the most basic level, of course, a computer is an electrical circuit build using wires. This page lets you simulate the behaviour of arbitrary collections of logic gates. Of course digital components, including VHDL and Verilog components can also be added to circuits. Basic Logic Gates What is Logic Gate. The truth table is a tabular representation of a logical expression. ) is used to. design combinational logic circuits • Combinational logic circuits do not have an internal stored state, i. Reduce your testing time and get to. The simulator engines have models for each component and a netlist is extracted from the schematic. circuit is composed of gates, flip-flops, standard combinational. Use the hexadecimal keypads for your four-bit inputs, with hexadecimal displays to show the input values. Enter boolean functions. 123D Circuits is an online electronics simulator and collaborative design platform, born from the partnership between Autodesk and Circuits. , they have no memory. It is the perfect companion to students, hobbyists, and engineers. Sorry to break it to you folks, but the simulator numerically approximates models of components that are also approximate. Simple and Mini. After you have run the TLServer on a PC that is connected to either a LAN or the Internet, you can execute the ladder logic editor program from any other computer on the same network, using only the web browser (i. In these hybrid systems, design trade-offs often span the knowledge space of both mechanical and electrical engineering. BOOLR is a digital logic simulator. B2 Spice provides schematics as well as analog, digital and mixed mode electronic circuit simulation. Free Electronic Circuit Simulation Software / Circuit Simulators Gnucap (Linux) Gnucap, or the Gnu Circuit Analysis Package, is a general purpose circuit simulator that supports non-linear DC and transient analysis, Fourier analysis and AC analysis. Topics covered include: MOS device models including Deep Sub-Micron effects; circuit design styles for logic, arithmetic and sequential blocks; estimation and minimization of energy consumption; interconnect models and parasitics; device sizing and logical effort; timing issues (clock skew and jitter) and. Analog Devices Circuit Design tools are web based or downloadable but always free to use. Basic Logic Gates What is Logic Gate. DLS: Digital Logic Simulator. You can create both analog and digital circuitry using the Analog and Digital Logic, Integrated Circuit Components, Terminals and Connectors, and Transmission Paths stencils. The moving yellow dots indicate current. Program for simulating circuits on linux. If we did not have LogicSim, we could only tell you how it all works and could not show you. Online Circuit Simulator with real like interface makes it easier for you to understand electronics better than ever. Infineon Designer, free online, special version of TINAcloud licensed to Infineon. Start the simulator as directed. Digital logic simulation ! The deterministic dataflow paradigm makes it easy to model digital logic circuits ! We show how to model combinational logic circuits (no memory) and sequential logic circuits (with memory) ! Signals in time are represented as streams; logic gates are represented as agents. MultiMedia Logic Digital Circuit Design simulator Download. they consume energy rather than producing it and these elements have a linear relationship between voltage and current. Many students in Electrical Engineering learn how to use and program a microprocessor but very few know what goes on inside. The basic digital electronic circuit that has one or more inputs and single output is known as Logic gate. Students can quickly learn Boolean equations, logic gates and flip-flops, and then advance to computer building-block concepts such as multiplexers, counters, arithmetic logic units and memory. Part 2: Logic Simulation. EveryCircuit is not just an eye candy. Logic gates and truth table: In digital electronics, logic gates are the certain type of physical devices basically used to express the Boolean functions. The best place on the web for articles and tutorials on the Raspberry Pi, Arduino, and DIY electronics!. Input and output pins. Circuit definition, an act or instance of going or moving around. The circuit is a simulator. You can even generate an arbitrary input signal with your finger! That's interactivity and innovation you can't find in best circuit simulation tools for PC. Read the description of the circuit if you need additional information. What are basic circuit gates? - Basic Gate Ladder Logic Challenges (Video Solutions available after the challenge) AND Gate Logic. Just enter a boolean expression below and it will break it apart into smaller subexpressions for you to solve in the truth table. For more detail please refer to the manual for using the simulator The simulator supports 5-valued logic To add the logic components to the editor or canvas (where you build the circuit) select any component and click on the position of the canvas where you want to add the component. LogicCircuit - is educational software for designing and simulating digital logic circuits. The best way to learn electronics without breaking your Arduino. This page lets you simulate the behaviour of arbitrary collections of logic gates. Mixed-signal (analog and digital) GNU Circuit Analysis Package (Gnucap) Ngspice, including digital XSPICE; Quite Universal Circuit Simulator (Qucs) Xyce, capable of solving extremely large circuit problems from Sandia National Laboratories; Proprietary licenses. The relationship between the i/p and the o/p is based on a certain logic. Provides a worked-out example and C-language simulation source code for a digital communications link using the algorithms. Design logic circuits online. Skip to content. It is a NGSPICE-based simulator. This form allows you to roll virtual dice. You can easily build logic circuits and check your circuit logic using this tool. Explore 22 websites and apps like CircuitLab, all suggested and ranked by the AlternativeTo user community. Learn and practice various electronics circuits with this Online Electronic Circuit Designer and Simulator. You can determine the output using the logic probe, logic probe as shown in (Figure5) is a hand-held pen-like probe used for analyzing and troubleshooting the logical states (Boolean 0 or 1) of a digital circuit. Logic switches, Hex and ASCII keys as well as the. CircuitLogix features a proven, accurate 32-bit SPICE3f5/XSpice-based simulator for analog and mixed-signal circuits, and a fully interactive digital logic mode when only logic simulation is needed. Logic simulation is the use of simulation software to predict the behavior of digital circuits. PLCs are used in many machines, in many industries. With its simple toolbar interface and simulation of circuits as you build them, it is simple enough to facilitate learning the most basic concepts related to logic circuits. This will give you a good understanding and method to program programmable logic controllers in ladder logic. Types of digital logic circuits are combinational logic circuits and sequential logic circuits. The LOGIC LAB is a application for simulating simple circuits of logic gates on the screen. To make our own digital logic circuits we have built BOOLR, which we have created with JavaScript and lots of love. This web is a simulator for logic circuits, allowing the student to better visualize and understand how a logic circuit works, by enabling him to build. EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser. Explore Digital Logic Circuits with. Digital systems are said to be constructed by using logic gates. With in-game circuit builder you can create your own electronic circuits and test your skills!. Mccad McCAD modules take the. To use LogicSim, you must have Java tm from Sun Micro systems. Copy of Online simulator. This page lets you simulate the behaviour of arbitrary collections of logic gates. io, since in Fall 2013. In this software, circuits can easily be converted into a reusable Modules. Introduction. Hence, the Logic gates are the building blocks of any digital system. they consume energy rather than producing it and these elements have a linear relationship between voltage and current. Download Logicly 1. 1 to 9 are based on the logic gates like AND, OR, NOT, NAND & NOR etc. Allows you to build your own circuits and test them. With this software you will be able to build your own circuits and test them. Look at SpaceChem for an example of a circuit-like game done right. For contact information and other cool flash projects visit his site: freelance RIA application developer. DOWNLOAD ALARM SIMULATOR -1. Fernando Ríos-Gutiérrez Dr. CircuitLogix Tutorial 7 - Digital Circuit Simulation Part 2 animations on Digital Circuit Simulation, Offerings from Logic Design PLCLogix - a PLC simulator with 3D control application. Automation Studio™ is an innovative system design, simulation and project documentation sofware solution for the design and support of automation and fluid power systems. We will use CD4011 IC. 10 Best Free Logic Gate Simulator Software For Windows This article contains a list of Best Free Logic Gate Simulator Software For Windows. Currently the platform is used by 100s of students everyday from across the world including students from University of Chicago, University of Alabama and Virginia Tech. You use a similar procedure to draw wires and indicate. You click the element's icon on the toolbar, then click where you want the element to go. Flexible PCB. A mixed signal simulator simulates the analog portions of the circuit with a very accurate circuit simulator, the digital portions with an efficient event-driven simulator, and the switched capacitor portions with a special-purpose switched capacitor simulator. These tools allow students, hobbyists, and professional engineers to design and analyze analog and digital systems before ever building a prototype. The relationship between the i/p and the o/p is based on a certain logic. - The student can interact with its logic circuit, flip switches, change the input data, and watch the output data changes for sequential models. Teach logic gates + digital circuits effectively — with Logicly Design circuits quickly and easily with a modern and intuitive user interface with drag-and-drop, copy/paste, zoom & more. After you have run the TLServer on a PC that is connected to either a LAN or the Internet, you can execute the ladder logic editor program from any other computer on the same network, using only the web browser (i. The green color indicates positive voltage. the professional circuit designer. BOOLR works with Windows, Mac OS and Linux and it is completely free. A logic gate is a basic building block of a digital circuit that has two inputs and one output. MX Simulator features the ultimate in motocross gaming physics. Beige Bag Software has been providing affordable and innovative circuit design tools since 1990. Logic Circuit Simulator. Open-book, open-notes, calculator allowed. In testing lingo, you often hear people refer to this as the testing of random logic. PLC program example of a traffic light. Teach logic gates + digital circuits effectively — with Logicly Design circuits quickly and easily with a modern and intuitive user interface with drag-and-drop, copy/paste, zoom & more. Right click connections to delete them. they consume energy rather than producing it and these elements have a linear relationship between voltage and current. To make it easier to work with logic solutions, we provide a variety of technical resources, key application notes, white papers, videos, and more. Using the schematic, wire up the circuit in the breadboard simulator. Our smart objects automatically calculate outputs so you can use it as a logic gate simulator too. A very simple web based approach is used to enable the remote access to a FPGA (Field Programmable Gate Array) development and educational board. As they claim its a mixed mode digital/analog circuit simulator with an intuitive user interface, fast simulation and great performance. Troubleshooting gates may seem like an "old school" skill, but systems built in the previous century will continue to operate for a long time to come. io is a web-based online CAD tool to build and simulate logic circuits The development is currently paused, due to time constraints. SmartSim is a digital logic circuit design and simulation package. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. After drawing your gates on the board, right click on the board for TRACE menu. Your contribution will go a long way in. sourceforge. The XY time mode converts the oscilloscope from a volts-versus-time display to a volts-versus-volts display using two input channels. Look at SpaceChem for an example of a circuit-like game done right. It’s has a friendly user interface and really easy to check your circuit logic. Logisim is an educational tool for designing and simulating digital logic circuits. October 9, 2011 Performance up! Reduce time out errors. Our smart objects automatically calculate outputs so you can use it as a logic gate simulator too. Welcome to LogicEmu, a logic circuit simulator running in your browser. XCircuit, the circuit drawing and schematic capture tool. This project is a simple way of using the Arduino to simulate the behaviour of logic gates. In addition to learning about logic digital circuits using Learnabout-Electronics we are happy to recommend building and testing your own designs live on screen by downloading Logisim, a FREE logic circuit basic design and simulator tool. Tinkercad is a free online collection of software tools that help people all over the world think. It facilitates learning most basic concepts related to logic circuits. Connection Terminals for large circuits. Kongregate free online game Gates of Logic - Walkthrough Levels 1-8 Levels 9-15 Plot The Systemworld of electronic chips, inputs and wires Play Gates of Logic. Explore Digital Logic Circuits with. To know more about Boolean Logic click on the link below. Mixed-signal (analog and digital) GNU Circuit Analysis Package (Gnucap) Ngspice, including digital XSPICE; Quite Universal Circuit Simulator (Qucs) Xyce, capable of solving extremely large circuit problems from Sandia National Laboratories; Proprietary licenses. EveryCircuit app is also free for students and teachers. A SourceForge search for "schematic" lists dozens of tools. Infineon Designer, free online, special version of TINAcloud licensed to Infineon. 99 depending on platform. Education software downloads - CircuitMaker by Altium Ltd / Department of Electrical and Computer Engineering, University of California and many more programs are available for instant and free download. I need a V->F converter to translate the analog speed signal into a clock signal for 2bit binary counter. A SourceForge search for "schematic" lists dozens of tools. So I want to try the uart I/Osimulator on MPLAB X. Once the hand tool is selected, use it to click on any input to change its logic state, and observe the effects of different inputs on the circuit outputs. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. Introduction. 1 Digital logic, 1. It detects faults such as glitches and race conditions. Logic Circuit. 4 brings SPICE in-house, allowing you to design and simulate in the same tool. exe or _691FB51E6321A2559C3623. A red color indicates negative voltage. Recently, some logic drawing systems allow circuits to be activated as they are drawn for testing. Online context sensitive help. Start a design by selecting the project. With its simple and easy to use interface it doesn't take long to learn how to use it, great for students who's learning how logic circuit works. Logic Gate Simulator 1. A SourceForge search for "schematic" lists dozens of tools. 123D Circuits is an online electronics simulator and collaborative design platform, born from the partnership between Autodesk and Circuits. Basic logic gate templates to get started fast. With this tool, you could create, integrate and extend your circuits for free. The components like input and output, basic gates, and derived gates are present on its toolbar. IRSIM, the switch-level digital circuit simulator. Logicly Logicly is a easy to use digital logic simulator written in Java, works on Macintosh OS X, Linux, and Windows. Flexible PCB. FPGA is an acronym for field programmable gate array—a semiconductor-integrated circuit where a large majority of the electrical functionality inside the device can be changed, even after the equipment has been shipped to customers out in the ‘field’. B2 Spice provides schematics as well as analog, digital and mixed mode electronic circuit simulation. VHDL Circuit Simulation. The best way to learn electronics without breaking your Arduino. I would love to see a game like that, except based on logic ports instead of automatons. Electronics Workbench was bought by National Instruments and is now called multisim. The software calculates the logic diagram and displays the results in the same sort of color code as other electronic diagrams. by Clive Seager. E-Logic Trainer Kit : Development of an Electronic Educational Simulator and Quiz Kit for Logic Gate Combinational Circuit by using Arduino as Application To supplement conventional teaching methods, use of new technology have recently being adapted in the current education system. Digital Online Resources Information about digital logic, microprocessors, and computers. The Quartus II Web Edition, which can be downloaded for free, can be used as an educational tool for designing and simulating digital logic circuits. This course gives you a complete insight into the modern design of digital systems fundamentals from an eminently practical point of view. If a design calls for signals to be passed among digital ICs, you must know the logical conditions and the required voltage ranges, or logic levels, to make your design work. It is an excellent tool for beginners who want to quickly get a grip of creating with Arduino, Raspberry Pi or other platforms right from their browser window. A simulator circuit contains two high-current transistors. Build any circuit, tap play button, and watch dynamic voltage, current, and charge animations. Multisim Live is a free, online circuit simulator that includes SPICE software, which lets you create, learn and share circuits and electronics online. Rocio Alba-Flores Dr. Design logic circuits online. Tina Cloud online circuit simulator. This multimedia logic simulator software is simplest, most powerful, most universal languages known (Digital Logic). All permutations of the inputs are listed on the left, and the output of the circuit is listed on the right. Choose a device from the toolbox and move to right side. Electronic circuits simulation with neat circuit diagram and explanation for projects, students and beginners. The simulator not only handles analog but also digital circuits. https://youtu. Online minimization of boolean functions. Verify by analysing or simulating the circuit. Digital Logic Gates. DC Circuits Department of Physics, University of Guelph. Keysight in-circuit test (ICT) solutions uphold the innovative spirit of bringing you technology for tomorrow's board test challenges. Digital logic is the foundation for digital computers. To practice using the simulator, we’ll build the logic circuit encoding the Boolean. The components labelled 'X' are NOT gates and the device marked with an UP arrow is a positive edge trigger. By Val Gretchev, Electro-Tech-Online member. Similarly, the range of voltages corresponding to Logic High is represented with ‘1’. DLS: Digital Logic Simulator. Simscape™ Electrical™ Specialized Power Systems allows you to build and simulate electrical circuits containing linear and nonlinear elements. Material covered: Lectures 11-15 and associated readings, and Lab 8 and Project Part A. Select trace to see final result. 5"-by-11" paper, with a left margin wide enough to punch holes for use in a binder. We feature extensive collection of electronics tutorials, circuit ideas , and verified & latest electronics project from basic to advance level. It features both low-level logic gates as well as high-level components, including registers and a Z80 microprocessor emulator. Boolean logic provides the foundation for computers and other modern digital electronics. Digital Circuit Simulator. LogicCircuit is educational software for designing and simulating digital logic circuits. Enhance your existing labs Emona netCIRCUITlabs is a complementary platform for your existing Analog & Digital Circuits labs. Spectrum Software makes the Micro-Cap SPICE simulator, a SPICE and PSPICE® compatible SPICE software analog and digital circuit simulator for electronic design automation circuit simulation. In these hybrid systems, design trade-offs often span the knowledge space of both mechanical and electrical engineering. Online schematic capture lets hobbyists easily share and discuss their designs, while online circuit simulation allows for quick design iteration and accelerated learning about electronics. You can even generate an arbitrary input signal with your finger! That's interactivity and innovation you can't find in best circuit simulation tools for PC. For contact information and other cool flash projects visit his site: freelance RIA application developer. Logic circuit simplification (SOP and POS) This is an online Karnaugh map generator that makes a kmap, shows you how to group the terms, shows the simplified Boolean equation, and draws the circuit for up to 6 variables. If a design calls for signals to be passed among digital ICs, you must know the logical conditions and the required voltage ranges, or logic levels, to make your design work. Logic families discussed so far are the ones that are commonly used for implementing discrete logic functions such as logic gates, flip flops, counters, multiplexers, demultiplexers etc. Plus easy inclusion of Spice/PSpice® models from a user expandable library. The Verilog simulator can use always along with the symbol @ to stop execution of the always block continuously until changes in one or more inputs occur. With this tool, you could create, integrate and extend your circuits for free. Graphics-oriented circuit editor, helping to make an easy task of circuit design. It is not recommended to use this tool in production. Proteus, Multisim, and Tina are all great products. To print this manual. DC Circuits Department of Physics, University of Guelph. Online Circuit Simulator with SPICE. The ubiquitous 7-segment numerical display can unambiguously display all 16 hexadecimal digits as show in this wikipedia. TAKE A LOOK : BOOLEAN. PLC program example of a traffic light. Schneider Electric is your one source, one solution, for all your circuit breaker and equipment needs. Topics covered include: MOS device models including Deep Sub-Micron effects; circuit design styles for logic, arithmetic and sequential blocks; estimation and minimization of energy consumption; interconnect models and parasitics; device sizing and logical effort; timing issues (clock skew and jitter) and. Here we are listing a couple of free online circuit simulators for you to try out. This is an electronic circuit simulator. Logic circuit simplification (SOP and POS) This is an online Karnaugh map generator that makes a kmap, shows you how to group the terms, shows the simplified Boolean equation, and draws the circuit for up to 6 variables. For example, in a car engine, is it more cost-effective to design a precise. Analytics/Performance Cookies:. As a Java application, it can run on many platforms. Online schematic capture lets hobbyists easily share and discuss their designs, while online circuit simulation allows for quick design iteration and accelerated learning about electronics. Select trace to see final result. File: Edit: Draw: Scopes: Options: Circuits: Reset: RUN / Stop: Simulation Speed. B2 Spice provides schematics as well as analog, digital and mixed mode electronic circuit simulation. Here you will find the most comprehensive library of interactive microchips on the web, complete with full length step by step analysis of every circuit. Learn about AND, OR, NAND, NOR, XOR and the inverter. Remote control circuit page automation circuits next gr hampton bay air conditioner ir reverse engineer. Learn some different logic control circuit options. Logic gates and truth table: In digital electronics, logic gates are the certain type of physical devices basically used to express the Boolean functions. In previous chapter Relay Logic Circuit (RLC) we discussed about relay logic elements which are used in relay logic. This product is a simulator for logic circuits, allowing the student to better visualize and understand how a logic circuit works, by enabling him to build whatever logic circuit he wants, and. Logic Gate Simulator is an open-source tool for experimenting with and learning about logic gates. With its simple toolbar interface and simulation of circuits as you build them, it is simple enough to facilitate learning the most basic concepts related to logic circuits. XCircuit, the circuit drawing and schematic capture tool. Provides a worked-out example and C-language simulation source code for a digital communications link using the algorithms.