Arduino not starting fixIf you ever try and open Arduino and it displays the splash screen and then stops working (you never see the IDE) this forum post will solve your issue:
https://forum.arduino.cc/index.php?topic=565263.0 Add another project directoryFrom the Control Panel select 'Options-Directories...'
Copy and paste the path to where you are going to be saving your projects into the directory text box after a semicolon. I would recommend you use an online path i.e. on your OneDrive.
Add a Ground PlaneGround planes have a few advantages:
Changing width of all tracks in one goThe default width of tracks is fine if you are getting your PCB manufactured in a PCB house online (if they don't carry much current). The do need to be wider if you are milling them in house. This is a way to change all of your track widths in one go.
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PCB Gcode Missing Image WorkaroundDelete line numbers 503 to 505 from the 'pcb-gcode-setup.ulp', then save the file.
Labelling nets and swapping themLabelling nets makes keeps your schematic tidy and makes it easier to change pin connections.
Bending netsA very handy and quick thing to do, but not very intuitive. You need to use the 'split' tool.
Comparing Component Pin Spacing with Eagle PCB Pad SpacingIt is not a good look if you mill a PCB and the components don't fit, let alone a waste of time and material. Here is a simple way to check your components are going to fit!
Adding a Milling PathCutting out your PCB from PCB stock can be a real pain. Luckily the CNC mills can do this step for you! Here is how you prepare the milling layer.
If you are getting your PCB manufactured online milling still works but don't put a mill path around your board. In this case your board will be milled around the 'Dimension' layer. You can add curves to the corners of your dimension layer if you want, Nice! Moving and RotatingAdding vias |