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In the Electronics Design Week, I successfully designed a custom PCB layout using KiCad. After completing the schematic and PCB routing stages, I proceeded with the fabrication process, which involved preparing the Gerber files, verifying design rules, and exporting the layout. This marked the transition from design to actual hardware realization.
In the PCB Editor, I navigated to the "File" menu and selected the "Plot" option to generate the necessary output files. This step is essential to prepare the Gerber files, which are used for PCB fabrication. I ensured the correct layers were selected before proceeding with the plot.
In the Plot option of the PCB Editor, I generated the Gerber files, which are essential for PCB fabrication. I selected the necessary layers such as F.Cu, and Edge.Cuts ensuring all relevant details were included for accurate manufacturing output.
FlatCAM is an open-source software used to convert Gerber and drill files into G-code, which is required for PCB milling using CNC machines. It is especially useful in PCB prototyping, allowing users to create isolation routes, drill paths, and board outlines. FlatCAM supports various CNC milling operations and offers customization in tool diameter, cut depth, feed rate, and more. It provides a visual preview of tool paths, making it easy to prepare PCBs for fabrication without the need for chemical etching.
In FlatCAM, import the F.Cu and Edge.Cuts Gerber files by selecting “File → Open Gerber.” Load the top copper layer (F.Cu) and the board outline (Edge.Cuts). Both layers will appear on the canvas and project panel. Ensure alignment before proceeding with further PCB fabrication steps like isolation routing.
After importing the F.Cu and Edge.Cuts files in FlatCAM, the layout appeared off-screen. To fix this, I realigned the design to the origin using the "Align Origin" tool. This ensured the copper traces and board outline were correctly positioned for accurate toolpath generation and smooth PCB fabrication.
Then I entered the Properties panel in FlatCAM to select the Isolation Tool. This step is crucial for defining how the copper will be isolated from the board, ensuring clean traces.
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