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.

Designed for crews working near the road, Buyers Products launched new options for warning lights on trucks and trailers.

Warning lights follow a traffic light colour system: green signifies the system is working correctly or is currently in use; yellow alerts to something not working correctly and to take extra care ...