If you heard me say, ‘red light, green light’, you’d be forgiven for thinking I was talking about the infamous Squid Game challenge. But no, I’m referring to my two favourite LED colours ...

Lastly, linked to the functionality of the green lights, you'll also find a yellow light labeled "10M" or "100". This LED is lit when your Raspberry Pi has established a connection of 100 Mbps.

Different Colors of Light Have Different Functions: Goodspeed agrees that blue and red light are crucial for different stages ...

One is to combine tiny LED lights that each emit red, green or blue into a single big device. The other is to use only blue LEDs but coat them with a type of fluorescent substance called phosphor.

Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, although this might be attributed to the fact that red light claims to have ...