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All Journal MEDIA ELEKTRIKA Jurnal Mikro Tiga JUITA : Jurnal Informatika Prosiding Seminar Nasional Unimus

Arief Hendra Saptadi

Pascasarjana Teknik Elektro Universitas Gadjah Mada

Author-ID : 232108

Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Nursing Public Health

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PEREKAMAN DATA SENSOR KE GOOGLE SHEETS MENGGUNAKAN SISTEM MIKROPENGENDALI ATMEGA16A DAN APLIKASI SERVER Arief Hendra Saptadi; Achmad Solichan
MEDIA ELEKTRIKA Vol 9, No 2 (2016): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

There are various occasions where data taken from field measurements need to be stored remotely, but yet accessible from many places and by any means. The emergence of online data storage for documents such as Google Docs had made it possible to build a system that acquires data from sensors and stores them as an online document accessible anywhere. The purpose of this research is to develop a system prototype to store and display data from the result of measurements toGoogle Sheets through the use of ATmega16A microcontroller system and a server application. The proposed system consists of a data acquisition unit, a PC that acts as a server and web services. The data acquisition unit is made up from an ATmega16A microcontroller, LM35 astemperature sensor, photoresistor for light intensity measurement and FT232RL module for serial communication. Application server that runs on a PC is written in Processing programming language.The web services being used are Temboo and Google Sheets. From the test results it can be concluded that data acquisition unit had been able to transmit data to PC via serial communication, the server application was successfully built in terms of interface design and functionalities and a table in Google Sheets had been capable to store measurement results and display them correctly. In order to deliver a sense of real-time measurement, it is advisable to add a real-time clock chip module to microcontroller system such that the momentthe data arrive from sensors is recorded. The server application can be improved by the addition of local data logging feature to anticipate the loss of data caused by disturbances during onlinetransmission. Keywords: Data Logging, Sensors, Google Sheets, ATmega16A, Server Application

SISTEM PENDETEKSI INDIKASI KEBAKARAN DALAM RUANGAN DENGAN PENAMPIL MELALUI RASPBERRY PI Rema Hindarko; Arief Hendra Saptadi; Sigit Pramono
MEDIA ELEKTRIKA Vol 9, No 2 (2016): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

The development of technology is now growing very rapidly. It encourages people to create something that could provide convenience to perform a task. One of them is able to monitor and detect fires from long distance. A house fire is a frequently-occured disaster in the community. It can be caused by environmental factors as well as carelessness of the home owner. Home fires often occur when there is noone at home. They can occur at anytime because it is a disaster that goes unexpected. This research aims to design a fire detection system using a temperature sensor and smoke sensor that can provide an indication of fire early on in a room. The design of this system consists of a temperature sensor, smoke sensor and Arduino microcontroller system which is able to transmit datafrom the temperature and smoke sensor to Raspberry Pi via serial communication. The results were shown in Raspberry Pi through a GUI display. It is suggested that the system uses security camera or web camera for precise monitoring and adds notification feature via SMS or other means through internet. Keywords: Raspberry Pi, Email, smoke, temperature, fire.

EMULASI GERBANG LOGIKA TUNGGAL MULTIFUNGSI MENGGUNAKAN MIKROPENGENDALI ATMEGA8A Arief Hendra Saptadi
MEDIA ELEKTRIKA Vol 10, No 2 (2017): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

Gerbang logika merupakan suatu bagian penting dari teknologi digital. Salah satu bentuk implementasi dari gerbang logika tersebut adalah dengan menggunakan IC TTL. Meskipun demikian,penggunaan IC tersebut tidaklah efisien, mengingat bahwa dalam satu seri IC lazimnya terdapat beberapa gerbang yang sama dengan fungsi logika yang tidak dapat diganti sesuai kebutuhan. Tujuan dari penelitian ini adalah membuat model emulasi gerbang logika tunggal multifungsi yang dapat dipilih jenisnya sesuai kebutuhan. Model tersebut direalisasikan menggunakan mikropengendali ATmega8A. Dua buah pin didedikasikan sebagai masukan logika. Sedangkan satu buah pin digunakan sebagai keluaran logika. Sebuah tombol digunakan sebagai pemilih fungsi logika NOT, AND, OR, NAND, NOR, XOR atau XNOR. Tiga buah LED berfungsi sebagai indikator untuk menandai jenisgerbang logika yang dipilih. Berdasarkan hasil pengujian didapatkan hasil bahwa masing-masing fungsi logika untuk NOT, AND, OR, NAND, NOR, XOR dan XNOR dapat diemulasikan dengan baik sesuai tabel kebenaran dari masing-masing gerbang logika. Fungsi pemilihan jenis gerbang logikamelalui tombol dan indikator LED juga sudah dapat berjalan sesuai dengan perencanaan. Model tersebut memungkinkan lebih dari satu mikropengendali untuk dioperasikan dalam satu rangkaian namun dengan fungsi gerbang logika yang berbeda. Pada pengembangan selanjutnya, model ini dapat diperluas menggunakan mikropengendali dengan jumlah pin yang lebih banyak sehingga dapat memuatlebih dari satu gerbang, yang masing-masingnya dapat diatur untuk menjalankan fungsi logika yang berbeda-beda. Keywords: emulasi, gerbang logika, mikropengendali ATmega8A

Co-Authors Achmad Solichan Adimas Handoyo Aris Kiswanto Desi Windi Sari Hernanda Afrizal Lisna Gifhari Irfan Yusuf Attamimi Kokoh Dwi Prakoso Laily Muntasiroh Moh. Toni Prasetyo Moh. Tony Prasetyo Radiktyo Nindyo Sumarno Rema Hindarko Sigit Pramono

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