Can IR Sensor used in traffic lights?How does its work?

1.	Can IR Sensor used in traffic lights?How does its work?
Answer» ANSWER: A prototype of traffic SIGNAL control system can be made using IR sensor along with microcontroller and LED which can prove a WORTH for the REAL time application of controlling traffic signals based on the density of traffic

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A prototype of traffic SIGNAL control system can be made using IR sensor along with microcontroller and LED which can prove a WORTH for the REAL time application of controlling traffic signals based on the density of traffic

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Can IR Sensor used in traffic lights?How does its work?

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