Rancang Bangun Sistem Kipas Otomatis Menggunakan Sensor PIR dan Sensor Suhu LM35
DOI:
https://doi.org/10.25077/jfu.10.1.104-110.2021Abstract
Telah dirancang sistem kipas otomatis menggunakan sensor PIR dan sensor suhu LM35 berbasis Arduino Uno. Sistem perangkat keras ini dirancang dari beberapa unit yang terdiri dari sensor PIR, sensor suhu LM35, program yang ditanamkan ke dalam mikrokontroler  Arduino UNO dan relay sebagai saklar otomatisnya. Semua unit yang digunakan tersebut digabungkan menjadi sebuah rangkaian dan akan menghasilkan output yang diinginkan. Hasil yang diperoleh dalam pengujian sensor PIR memperlihatkan bahwa sensor PIR dapat mendeteksi ketika ada pergerakan manusia sampai radius 8 meter dengan sudut 20o. yang menjadi kesimpulan tentang hasil otomatisasi terhadap kipas tersebut secara eksplisit Pengujian pada sensor suhu LM35 memperlihatkan bahwa suhu yang diperoleh dari sistem sensor ini dibandingkan dengan suhu yang diperoleh dari alat sensor temperatur standar Lutron HT-3006HA menghasilkan korelasi linier R2= 0,9923 dalam keadaan suhu normal.
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An automatic fan system has been designed using a PIR sensor and an Arduino Uno based LM35 temperature sensor. This control system consists of a PIR sensor, an LM35 temperature sensor, a program embedded in the Arduino Uno microcontroller and a relay as an automatic swit. All units used are combined into a circuit and will produce an automatic fan will turn on when human movement is detected in the room and the speed of the fan depends on the specified temperature. The test results show that the PIR sensor can detect when there is human movement up to a radius of 8 meters with an angle of 20º. Testing on the LM35 temperature sensor under normal conditions shows that the sensor system compared to the Lutron-3006HA standard temperature sensor's temperature has a linear correlation R2 = 0.9923.
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