@@ -195,7 +195,7 @@ Until now you have used the USB only to power the system, but you will need to a
You may also want to protect your system from ESD (Electrostatic discharge). To that end you may optionally add [ESD protection circuitry](https://www.elfa.se/en/esd-protection-diode-bi-directional-25v-sot-23-st-usblc6-2sc6/p/30034148).
It is very important that the pin numbering on your component is correct to the footprint in the library! Always double check with the datasheet. You will now associate each component to a footprint.
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@@ -212,7 +212,7 @@ It is very important that the pin numbering on your component is correct to the
Hint: Check that the numbering of the pins are correct! Hint 2: When you are working with your project later, you will probably not find all footprints in the standard library. There are good tutorials on youtube on how to draw your ownfootprints.
ERC is a check that detects if you have any ”loose ends”, meaning that it will give you a warning if you have a net with only one connection. It will also give you a warning if you have drawn a net to a component but the net and the component haven’t connected. To get the ERC to work as intended, you have to mark all the unused pins with a Not-connected flag, found to the right.