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Author Topic: Schematics - Arduino Uno SMD Rn  (Read 1219 times)
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  • Do the Arduino_Uno_Rev3-schematics apply to the Arduino_Uno_SMD Edition R2 pcb?
  • In the Arduino_Uno_Rev3-schematics, what is "L13"? The designator is just above and to the right of U5B above one of the nets. I did not see this in Rev2.
Thank you in advance, Bob.
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L13 is a label of the net that drives the pin 13 LED; it's not actually a component.
Rev3 uses the spare comparator as an LED driver; in prior versions the LED was driven directly from an IO pin.
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