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Problem statement: This study was discussed the development of security system for smart home applications. A more robust security system built around the world. The security system had developed based on a microcontroller device as a receiver, processor and transmitter of information. Approach: The method of transmitting and receiving data was done wirelessly using a ZigBee device. ZigBee had the data transmission characteristics suitable for this system, as data was sent quickly and accurately. A microcontroller interface circuit had produced to promote the ZigBee wireless communication. A display system had produced as an indicator of conditions around the house that could be carried anywhere. Results: The transmission and reception were indicated by LED data display. The LEDs had represented sensors deployed around the house. Conclusion: From the results, it is shown that the security system performs effectively and properly. Improvements can be made, primarily on the input of the sensor to detect the presence of the object effectively.