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Traffic lights - Coggle Diagram
Traffic lights
Aesthetics
Can be easily seen from any direction.
Different colour lights for the different signals.
visible from any angle.
Safety
Make sure its stable and will not fall over
Make sure its made of weather resistant materials
Timed correctly to make sure traffic stops before you cross the road.
Cost
installation cost
Electricity cost
Enviroment
Doesn't emit pollution
Put them on a road
Size
Tall enough to be seen from far away
Wide enough to be seen from far away
Components
Buzzor
LEDs
Output functions
Lights
Red
green
yellow
Needs to change colour to indicate to cars when they need to stop and move.
Sound
Imputs
Sensor - when cars come towards it, it will work the lights