Design and implementation of dimmer based smart street lighting system using raspberry Pi and IoT

  title={Design and implementation of dimmer based smart street lighting system using raspberry Pi and IoT},
  author={A. S. Sravani and P. Malarvezhi and R. Dayana},
  journal={International journal of engineering and technology},
In olden days street lights were not operated in an automatic way. Automation of street lights has become apparent these days. But we can notice that we do not require high intensity light during night hours, i.e. when there is no traffic, no people in the streets or on roads and even in the early mornings. As per requirement, the light intensity can be reduced using dimmer circuit. Light dependent resistor (LDR) sensors are used to sense the darkness and Passive Infrared (PIR) sensors are to… Expand
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