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Automatic street light has been designed using TI MSP432 launchpad module and LDR based sensor module. The light intensity is measured using LDR based sensor and if it is below the threshold value set by the user then the street light will be turned on. The leds used in the street light are controlled through relay which in turn is controlled by MSP432 launchpad module and a relay driver circuit.
LED SWITCHES ON DURING LOW INTENSITYLIGHT
LED SWITCHES OFF DURING HIGH INTENSITYLIGHT