Power saving and management are very much important in every house. The increase in electricity rate and the demand for renewable energy resources shift the concern towards saving electricity. One way of saving electric power is by implementing automation in-house. Also, automation reduces the constant human effort in monitoring the system. Hence, this research aims to minimise human effort and save electricity. The proposed system operates based on the sunlight intensity, and when the door lock is opened from the outside, it activates the fan and light automatically. The system automatically switches the light when the sunlight intensity increases during the day. Also, when the door is closed, it shuts down the light and fan and saves electricity. Therefore, the light and fan are monitored and switched on and off automatically without physical involvement. The electronic component used in this research is made up of Silicon and Germanium. The circuit and the working of the system are addressed in this article. The miniature of the proposed system is developed, and the system is accurate in implementing home automation.
Key words: ARM processor, Home automation, Embedded system
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