Merge branch 'ioana_maria.culic-main-patch-45349' into 'main'

Added warning for LED wiring.

See merge request !66

website/lab/02/index.mdx

@@ -287,6 +287,7 @@ pin.set_high();
 pin.set_low();
 ```
 
+
 :::tip
 
 While the device initialization is specific to every hardware device (the example uses the 
@@ -410,6 +411,12 @@ uses one pin for control. Each LED connector has one single hole on the board,
 marked with `RED`, `GREEN`, `BLUE` and `YELLOW` respectively. These are located in the **Connectors**
 section of the board.
 
+:::warning
+
+The LEDs are connected so they will light up if the pin is set to `Level::Low` and turn off if the pin is set to `Level::High`.
+
+:::
+
 The four switches that the lab board provides are signaled with labels
 `SW4`, `SW5`, `SW6` and `SW7` in the connectors section.