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Free circuit design online software

Several solutions are available if you’re looking for free circuit design online software. You can use these apps to design circuits and simulate them online.

Before investing thousands of dollars in prototypes, these programs are an excellent way to get your designs off the ground. Then, before ordering the board, they let you test your circuit, which might save you time and money.


Online concept map creator GitMind offers a potent approach to organizing thoughts and generating visual blueprints. It can be helpful to instructors and students to encourage collaborative learning, critical thinking, and creativity.

GitMind may be used to make flowcharts, UML diagrams, and mind maps. It features various templates that we may alter to meet any requirement. Additionally, it enables users to collaborate online with others.

It is a web-based application that functions on various gadgets, including Windows and Mac desktops, iOS and Android smartphones, and tablets. Furthermore, cloud-based synchronization is supported. Also, it works with well-known applications like Jira and Confluence.

Selecting a format is the first step in producing a diagram. Next, you may choose a pictorial (using simple visuals) or schematic style depending on your audience (using industry-standard symbols).

This software is a helpful resource for anyone who wishes to create a straightforward circuit design online. It has several features that will make getting started simple and free to use.

GitMind is a potent, no-cost, and simple tool for creating collaborative mind maps and diagrams that aid both individuals and small to medium teams express their creativity, resolving issues, visualizing objectives, and organizing their ideas. Planning projects and team brainstorming sessions both benefit significantly from it.

Visual Paradigm

The online diagramming tool Visual Paradigm supports a variety of distinct diagram types. The software can be essential for individuals or students and is free. Also, the software is simple to use and has a variety of templates.

A selection of UML modeling and analysis tools are also in Visual Paradigm. In addition, they have requirement diagrams in SysML, UML cases, and BPMN (business process modeling notation).

Additionally, it offers assistance with code engineering and backtracking. Several computer languages can construct and manage models. Further, it can write code and make reports.

A circuit diagram is a type of electrical schematic demonstrating the movement and connection of parts in an electrical system. Electronics, power generation, and other industrial applications frequently employ it in their design.

Wires and connectors are just a few symbols that may represent the diagram. It can be shared with others and saved as a PDF or picture file.

Using VP, you can draw diagrams both alone and collaboratively. The software is available anytime, anyplace, and allows for real-time collaboration with other users.

Teamwork Server, another feature of VP, enables you to share your files with those who need to edit them while storing them on a server. Doing this can prevent losing any crucial files or going back to out-of-date versions.

Drawing circuit diagrams with VP Online’s user-friendly interface is quick and simple. Furthermore, cross-platform, the software runs smoothly on Windows, Linux, and Mac OS. Moreover, a wide variety of diagram templates are available.



With the help of the free program Lucidchart, you can create circuit diagrams fast and efficiently. Moreover, it can be kept in the cloud for convenient access and is compatible with several file formats.

It is a visual workspace that integrates communication, diagramming, and data visualization to hasten knowledge and promote innovation. Teams of all sizes use it in various fields, including public relations, medicine, and fashion.

You can use it to make mind maps, UML diagrams, flowcharts, org charts, and many other diagrams. Floor layouts and P&IDs are further options.

Drag components onto the diagram by choosing a circuit shape library. Then, start adding components, such as power sources and switches, once you have a rough outline of the connections.

You will receive a thorough diagram showing all the connections between the devices. One can include more components as necessary, depending on your requirements.

You can also include symbols in your diagram for power sources, switches, resistors, and transistors. This is a helpful method for demonstrating the relationships between all elements to your audience.

This program is excellent for businesses of all sizes and works well for inexperienced and seasoned users. It is simple to use thanks to its strong and intuitive interface. Also, it has other features that will enable you to create the greatest circuit designs. There’s also a free trial version available.


Eagle is a free software for electronic design automation (EDA). With the aid of this tool, designers can precisely join various PCB schematic diagrams and swap out components to ascertain the circuit’s ideal performance.

Also, the program has capabilities like schematic diagrams, extensive library data, and automatic component routing. As a result, it is a time and money-saving tool that is incredibly effective for developing printed circuit boards.

The user interface for this software is simple to comprehend and utilize. You may download and install it on your computer by visiting its official website. Also, it works with many different operating systems, including Windows.

Eagle can simulate circuits and produce Gerber files for printing and designing. As a result, it adds value to your library of hardware designs.

Moreover, it allows for printing circuit boards in various sizes and supports several layers. Additionally, it features Altium Native 3D technology, enabling users to visualize their creations in three dimensions.

Millions of individuals worldwide have used this well-known circuit maker to create their electronic creations. The program features a simple user interface and provides a large library of elements to assist you in making your design.

Another helpful feature is the program’s interoperability with numerous file types, including MS Word, Excel, and PDF. Also, it is simple to share your project using the cloud collaboration feature.


Altium Designer 20

CircuitLab is a fantastic alternative if you’re an electronics hobbyist looking to design and create circuits. It provides a user-friendly interface that makes getting started simple. Also, it has several features, such as circuit simulation and schematic capture.

Using a browser-based editor, this online simulator enables you to simulate both digital and analog circuits. You may also export your circuit as a PDF, PNG, or SVG file for further reference.

Additionally, it enables you to cooperate with other designers by allowing you to share your designs with them. Even better, you can always make your work

Although this free simulator isn’t as feature-rich as the ones that cost money, beginners should still consider it. It has a vast library of electronic components and a straightforward user interface.

The software is also incredibly user-friendly and includes tutorials to help you get going immediately. Moreover, it offers a bespoke device model, which is helpful for customers who must utilize particular devices from a specific vendor.

The Frequency Simulation tool is another element of CircuitLab. Thanks to this, you can now input any voltage or current source. The software will then sweep the selected frequency from a launch frequency to an end frequency.

The fact that this simulator is free and compatible with all browsers is one of its best features. For a more authentic circuit-building experience, you could even incorporate it into your website.

Also, it is a helpful tool for learning to interpret schematics, which are illustrations of electronic systems. This is crucial since it makes it easier to comprehend what you’re viewing on your screen.

What Are the Rules for Creating a Circuit?


Electricity travels along a circuit from a power source through a wire to an electrical device.

Small, negatively charged particles known as electrons are what generate electricity. These electrons can go all the way from one end of a battery via the wires and back to the other side of the battery when a circuit is complete or closed!


The difference in electrical potential between two locations in a circuit is known as the voltage. This discrepancy indicates how much work we may accomplish through the circuit.

The volt (V), equal to one joule per coulomb, is the derived voltage unit. Therefore, a voltmeter can help to measure it.

Electricity may help power appliances like toasters, kettles, ovens, televisions, computer tablets, and even motors because electrons pass through a conductor to create a current.

It’s also crucial to remember that a voltage’s polarity is independent of its location. So a voltage drop between points 3 and 4 will, for instance, have a different “sign” than a voltage drop between points 2 and 3.

The negative terminal of the battery or power supply is typically zero volts in an electrical circuit. As a reminder, you will frequently see circuit schematics labeled with 0V.


A circuit is a path electricity takes from one side of a power source to the other. Common metals like copper and silver make up the so-called conductive substance that makes up the device.

1: Electricity always seeks to move from a higher voltage to a lower voltage.

2: We need to work on electricity all the time.

3: For electricity to move, one must provide a path.

4: Turn off your circuit if it becomes extremely hot!

Make sure you use D rather than C when creating a circuit on a diagram. While C is confusing and makes you wonder if they’re supposed to link or if they are utilizing sloppy schematic drafting techniques, D symbolizes two wires that cross.

Similarly to this, when computing currents, be sure to include nodes and branches. Be sure to consider identical node voltages and branch currents when comparing analogous schematics or practical circuits.


How challenging it is for electricity to pass through a material is determined by its resistance. Since it restricts the amount of current that may pass through a circuit, it is crucial.

A wire’s resistance depends on its length and the type of material. The number of collisions that charge carriers must have with their atoms also impacts them.

To be used in electrical circuits, resistors are specialized parts designed to offer a precise degree of resistance. They can maintain a steady resistance value under various environmental situations.

A copper wrapping that wraps around an insulating core is used in some wire-wound resistors to control the precise amount of resistance. Other resistors are carbon film, which features an insulating core and a thin, spiral-cut carbon sheet.


A circuit is a path through which electricity moves. It begins with a power source and finishes with an electrical appliance, such as a light bulb.

Materials that permit electricity to flow through them are known as conductors, and those that prevent them from doing so are known as insulators.




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