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  • the automation system is composed of 4 sensors, a soil moisture sensor, a humidity sensor, a temperature sensor and a light sensor. The data read from the sensors are coverted by an ADC to digital values that are the inputs for a microcontroller AT89S52.The microcontroller monitors the input and checks if corrective action is to be taken. In such case, it acts on 4 actuators that drive a water pump, a sprayer, a cooler and artificial lights.

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    • temperature sensor light sensor analogic to digital converter