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I heard that when the Chinese Communist party first rose to power they reversed the meaning of red and green traffic lights so that red (symbolising socialism) meant go and green meant stop, soon chaos ensued so they changed it back.
Hi
i am bouilding a real time adaptive traffic light system that uses bi-color led for lighting. I
need help in designing the bicolor led driver circuit and power supply FOR MY PROJECT. Please assist
I wouldn't recommend it because if someone is red/green colour blind (quite common condition) they won't be able to tell whether it's on red or green.
Real traffic lights use separate lights because the position of the light indicates whether it's red or green and they don't use pure green but bluish-green so people with red/green colour blindness can still tell the difference.