There are traffic lights used the concept LED sand glass, which can help you know exactly how much time is left. It is a new look at traffic lights. LED lights to trickle down in a virtual sand glass that countdowns how much more red and green there will be. When it approaches three seconds left, the LEDs switch to yellow and give you an exact count on what's left. Thank you...
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ReplyDeleteThere are traffic lights used the concept LED sand glass, which can help you know exactly how much time is left. It is a new look at traffic lights. LED lights to trickle down in a virtual sand glass that countdowns how much more red and green there will be. When it approaches three seconds left, the LEDs switch to yellow and give you an exact count on what's left. Thank you...
Led Street Lamp