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123D Circuits.io is a site where you can design circuits and PCBs in your browser for free. This instructable will guide you through all the steps of creating ...
First you have to create an account at https://123d.circuits.io You can also use Facebook or Twitter to log in.
On your dashboard, click "New Circuit".
Enter a name for your project, select the type of project (choose schematic circuit for this design), and click "Create new".
To add common components, you can drag them from the left sidebar. If you need more advanced components, click on the "Search Component" button. Here you'll be able to search ...
You can give your components a value by clicking on it and filling in the detail in the inspector appearing at the bottom of the screen.
To connect two points with each other: - hover with your cursor over the component and click on the red square denoting a component terminal, - click the ...
If your schematic is getting more complicated, you can keep it clean by using labels. The schematic on the 3 following screenshots is logically the same.
Now that he schematic is complete we can start designing the PCB. This process is often called "laying out a board" or simply "layout" since it involves laying ...
By default all the footprints are small surface mount components (SMD). If you want to change the footprint to through hole or any other package, select the component and ...
Place your components such that not too many green lines cross and the design will be easily routable.
The green lines, all together called a "ratsnest", and individually called "air wires" denote the electrical connections that you need to convert to copper traces. These come from ...
To add a ground plane: - click on the polygon tool - click on a wire or pin you want the ground plane to be electrically connected to - draw a ...
You can change the borders of your pcb by clicking on the pink lines around your PCB. You can drag the lines themselves, or click on a blue handles ...
You could add some mounting holes using the drill tool. To change their diameter select it and change the diameter in the pop-up box.
If you're done with layout you can now go to the project page by clicking on the name of your circuit. Your circuit layout will auto-save.
When all the traces are routed go back to the project overview and click "Mark as done". Now the design will show up in the gallery and other ...
Now you can order your PCB by clicking the Buy button.
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