This paper presents the design and prototype implementation of the automation system that can be used two Arduino Nano with sensors. To demonstrate the effectiveness of this system, the devices such as LDR, temperature sensor, smoke sensor and motion sensor have been integrated with the automation system. In addition, the GSM and RFID modules are also used for security system. The functions of the sensors are to monitor and control the light, the room temperature and alarms. The main goal of

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... security system is GSM which is used to send the SMS alerts to the owner. Two Arduino Nano control sensors and relays that monitor a defined location and take action based on specified parameters like ambient light, temperature, etc. The microcontroller will send SMS to the owner if the sensors detect an abnormality. In addition, door lock security is developed by RFID module. In this paper, the presents of GSM module security system make more secure and reliable.