> For the complete documentation index, see [llms.txt](https://learn.arduinosa.co.za/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.arduinosa.co.za/sensor-kits/37-in-1-sensor-kit/rgb-led.md).

# RGB LED

![](/files/-MS2N4gr_wwD8WLdEv6v)

RGB-LED with clear lens and built-in 150 ohm series resistor for 5 V operation. The PCB printing is incorrect, it shows the blue and red connections switched. The LED has a common cathode (the ‘-‘ Pin).