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TIP #092: Under a component with exposed pad (EP), ...

Why? It’s easy to connect them to GND and it keeps current loops small.

TIP #091: Mark components which you may not want to fit

Why? So you don’t forget about them until you are ready to create variants.

TIP #090: Crystals can be placed also on the opposite side

Why? Sometimes you may be very limited in space and it can be the only way to place the crystal. Tested on many boards, it works.

TIP #089: When desoldering, use a lot of solder

Why? The solder transfers heat to all the pins at once and you can easily remove the component.

TIP #088: Add “PCB only” components into SCH

Why? You do not want to forget them, but you do not want to have them in BOM.

TIP #087: Use board version number in the project name

Why? Sometimes you may need to open two different versions of the same board and you would like to know what version you are looking at.

TIP #086: After you finish, print schematic into PDF

Why? Anyone can simply open and see the schematic. Also, opening a PDF is much quicker than opening a CAD system.

TIP #085: Consider to use stands off components

Why? You can place components under them.

TIP #084: Place hot components on the top

Why? Heat goes up. Also it may be easier to connect them to one big heatsink.

TIP: #083 Be aware of different connect styles

Why? For example wrong connect style can make soldering very hard or it can limit maximum current.

TIP #082: Always add assembly drawing layer

Why? It’s then easier to create assembly drawing layer.

TIP #081: Place components in the schematic close to ...

Why? It helps during component placement. Placement of some components is very important.

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