Work in this paper is directed towards the automation of ‘High Brightness LED’ based street light systems for energy optimization. Presently large number of street lights are manually controlled or controlled by hardware timers in some cities. However they have the disadvantage of wastage of electrical power due to improper switching of lights during day/night times and undisciplined changeovers of time settings required for hardware timer based lights. The LDR based systems could be an alternative to these systems for automatic switching but they have poor reliability due to factors like dust, moisture etc. and not popularly installed. In this paper a sensor-less, robust, reliable and energy efficient street light control system which requires minimum maintenance and is simple in architecture as well as installation has been designed.Keywords: Gradient intensity control, Robust, Sensor-less
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Journal of Microcontroller Engineering and Applications
