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18 changes: 10 additions & 8 deletions ...dware/03.nano/boards/nano-33-ble-sense/tutorials/cheat-sheet/ble-cheat-sheet.md
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Expand Up @@ -354,22 +354,24 @@ If you want to learn more on how to use the Microphone, please check out the tut

## RGB

To turn ON the pixels, write a `HIGH` state to the LED:
The Nano 33 BLE Sense's RGB LEDs are active-LOW, so they are switched in the opposite way to the LED_BUILTIN.
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The Nano 33 BLE Sense's RGB LEDs are active-LOW, so they are switched in the opposite way to the LED_BUILTIN.
The Nano 33 BLE Sense's RGB LED is active-LOW, so it is active when the pins are set to `LOW`.


```arduino
digitalWrite(LEDR, HIGH); //RED
digitalWrite(LEDG, HIGH); //GREEN
digitalWrite(LEDB, HIGH); //BLUE
```

To turn OFF the pixels, write a `LOW` state to the LED:
To turn ON the pixels, write a `LOW` state to the LED.

```arduino
digitalWrite(LEDR, LOW); //RED
digitalWrite(LEDG, LOW); //GREEN
digitalWrite(LEDB, LOW); //BLUE
```

To turn OFF the pixels, write a `HIGH` state to the LED:

```arduino
digitalWrite(LEDR, HIGH); //RED
digitalWrite(LEDG, HIGH); //GREEN
digitalWrite(LEDB, HIGH); //BLUE
```

We can also choose a value between 255 - 0 to write to the LED:

```arduino
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