PURNOMO, AKHMAD WAHYU (2021) RANCANG BANGUN PROTOTIPE SISTEM MONITORING HOURMETER BERBASIS INTERNET OF THINGS. S1 thesis, Universitas Mercu Buana.
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Abstract
With the large number of heavy equipment machines for the process of accelerating human work in the counstruction area today, the maintenance process for these heavy equpment machines is also needed. However, the large number of heavy equipment machines sometimes causes a delay in the processing. In fact, the maintenance process is very important, so that heavy equipment can be used for a long time. That way we need a tool that can monitor the working time of these many heavy equipment machines. So that we can find out how long the heavy equipment has been working, because to carry out the heavy equipment maintenance process is done by looking at the working hours of the machines on heavy equipment. By making a tool that can minimize the working hours of heavy equipment from distance without having to visit the heavy equipment on by one, it will be very helpful to carry out the tool maintenance process more quickly and efficiently. This the tool can be used as an internet-based hourmeter monitoring tool of things that can be seen in the real time, by regulating working hours on tools that are equalized to working hour on heavy equipment machines. The voltage input of this follows the working hours voltage input of the tool, which is then connected to an internet connection. After doing hardware design as well as software design, this prototype was successfully made by several tests such as testing the time difference between the clock on the RTC and the clock on the cellphone with an error of about 2.4 minutes every hour. Test on the voltage sensor, which get an error of 0.29% were carried out as many as 10 mearsurements. And the ping test of the website that has been made gets an average of 50ms. Keyword: hourmeter, Internet of Things, mikrokontroler Arduino Uno, Wemos D1, DS3231 RTC, voltage sensor Dengan banyaknya mesin alat berat untuk proses mempercepat pekerjaan manusia di area kontruksi saat ini, dibutuhkan juga proses perawatan mesin-mesin alat berat tersebut. Tetapi banyaknya mesin alat berat ini terkadang terjadi keterlambatan dalam proses peratwannya. Padahal proses perawatan alat-alat berat ini sanagatlah penting, agar alat-alat berat dapat digunakan dalam jangka waktu yang lama. Dengan begitu dibutuhkan alat yang dapat menonitoring lama kerja mesin alat berat yang banyak ini. Agar kita dapat mengetahui sudah berapa lama mesin alat berat bekerja, karena untuk melakukan proses perawatan alat berat dilakukan dengan cara kita melihat jam kerja mesin pada alat berat. Dengan membuat alat yang dapat meminitoring jam kerja mesin alat berat dari jarak jauh tanpa harus mendatangi alat berat satu demi satu, akan sangat membantu untuk melakukan proses perawatan alat dengan lebih cepat dan efisien. Alat ini dapat di gunakan sebagai alat monitoring hourmeter berbasis internet of things yang dapat dilihat secara real time, dengan mengatur jam kerja pada alat yang disamakan dengan jam kerja pada mesin alat berat. Input tegangan alat ini megikuti input tegangan jam kerja alat, yang kemudian alat ini dihubungkan dengan koneksi internet. Setelah melakukan perancangan perangkat keras dan juga perancangan perangkat lunak, prototipe ini berhasil dibuat dengan beberapa pengetesan seperti pengetesan perbedaan waktu antara jam pada rtc degan jam pada pada hp terdapat error sekitar 2,4 menit setiap jam. Pengetesan terhadap sensor tegangan, yang mendapatkan error 0,29 % yang dilakukan sebanyak 10 pengukuran. Dan pengetesan ping terhadap website yang telah dibuat mendapatkan average sebanyak 50ms. Kata Kunci: hourmeter, Internet of Things, mikrokontroler Arduino Uno, Wemos D1, DS3231 RTC, sensor tegangan
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