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    Sistem Pengukuran Intensitas Cahaya Memanfaatkan LDR dengan Menggunakan Mikrontroler Arduino Pro-Mini

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    Date
    2019
    Author
    Dhanu, Rama
    Advisor(s)
    Situmorang, Marhaposan
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    Abstract
    Dilakukan kegiatan rancang bangun alat pengukur kekeruhan air sebagai aplikasi dari sensor LDR (Light Dependent Resistor) berbasis mikrokontroler AT mega 328. Penelitian ini dilakukan untuk mengukur tingkat kekeruhan air dengan cara mengkonversi besaran tegangan listrik menjadi besaran tingkat kekeruhan (turbiditas) air. Rangkaian alat terdiri dari sensor LDR untuk mendeteksi kekeruhan, minimum sistem dari mikrokontroler AT mega 328 sebagai pusat kendali pada rangkaian sensor, serta LED putih sebagai sumber cahaya optimum yang akan dibandingkan dengan tegangan yang dihasilkan pada masing-masing pengukuran di dalam air. Parameter tingkat kekeruhan maksimal pada air layak konsumsi didasarkan pada Peraturan Menteri Kesehatan sebesar 5 NTU, yang kemudian dilakukan kegiatan sampling untuk mengetahui sensitivitas sensor terhadap beberapa tingkat kekeruhan air yang berbeda. Selanjutnya dilakukan plot grafik logaritmik untuk mengetahui hubungan besaran tegangan yang terukur terhadap besaran tingkat kekeruhan air pada sampel.
     
    The design of water turbidity measuring devices was carried out as an application of the LDR (Light Dependent Resistor) sensor based on the AT mega 328 microcontroller. This research was conducted to measure the turbidity level of water by converting the electrical voltage to turbidity (water). The device circuit consists of an LDR sensor to detect turbidity, the minimum system from the AT mega 328 microcontroller as the control center in the sensor circuit, and the white LED as the optimum light source that will be compared with the voltage generated on each measurement in the water. The parameter of maximum turbidity level in consumable water is based on the Minister of Health Regulation of 5 NTU, which is then carried out sampling to determine the sensitivity of the sensor to several different levels of water turbidity. Next, a logarithmic graph plot is carried out to determine the relationship between the measured magnitude of the turbidity level of water in the sample

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    http://repositori.usu.ac.id/handle/123456789/21408
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    • Diploma Papers (Metrology and Instrumentation) [402]

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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV