AbstrakRumah adalah salah satu kebutuhan pokok manusia. Selain menjadi tempat berlindung dan beristirahat, terdapat banyak barang berharga yang disimpan di dalam rumah. Untuk itu keamanan rumah terus menjadi isu yang perlu dibahas. Seiring perkembangan zaman, teknologi dapat digunakan dalam pengamanan rumah, salah satunya adalah menggunakan mikrokontroler dan sensor. Penelitian ini menggunakan model penelitian Prototype dengan empat tahapan, yakni pengumpulan data, perancangan cepat prototipe, perancangan prototipe, dan pengujian prototipe. Juga digunakan berbagai sensor seperti sensor PIR untuk mendeteksi gerakan, MQ9 sensor untuk kebocoran gas, sensor LM35 untuk mendeteksi suhu, magnetik sensor untuk mendeteksi status pintu, dan sensor flame untuk mendeteksi api. Untuk menambah nilai mobilitasnya, maka dibuat agar keseluruhan kinerja sensor dapat dipantau menggunakan web. Dari tahapan pengujian kinerja sensor dan monitoring web didapat hasil sistem yang dibangun dapat bekerja dengan baik. Sensor PIR dapat mendeteksi gerakan terjauh 5 meter. Sensor MQ2 dapat mengidentifikasi gas dari jarak 2,5 meter. Sensor LM35 dapat mendeteksi suhu ruangan. Sensor magnetik dapat memberikan status pintu terbuka dengan jarak maksimal 1,9 sentimeter, dan sensor api dapat mendeteksi api dengan jarak terjauh 3 meter. AbstractHome is one of the basic human needs. Apart from being a place of refuge and rest, there are many valuables that we store inside the house. For this reason, home security continues to be an issue that needs to be discussed. Along with the times, technology can be used in home security. Microcontrollers, sensors, and the web can be combined to create the security system. This study uses a Prototype research model with four stages, data collection, rapid planning design, prototype design, and testing the prototypes. Also used are various sensors such as PIR sensors for motion detection, MQ9 sensors for gas leaks, LM35 sensors for temperature detection, magnetic sensors to detect the status from our doors, and flame sensors to detect fire. To add more value to mobility, it is made so that the overall performance of the sensor can be monitored by the user over the web. From the stages of sensor performance testing and web monitoring the results of the system built can work well. The PIR sensor can detect the furthest movement of 5 meters. The MQ2 sensor can identify gas from a distance of 2.5 meters. LM35 sensor can detect room temperature. The magnetic sensor can provide an open door status with a maximum
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