Traffic Light 3D print thing
thingiverse
This device generates a simulated traffic light effect using three vibrant 5mm LEDs - one shining bright green, another fiery red, and the final one glowing with cautionary yellow. Powered by an Arduino Uno board, this compact system resides in a durable plastic holder. Three precision resistors, each rated at 200 ohms, work together to produce a seamless traffic light sequence.
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