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All Journal IPTEK Journal of Proceedings Series JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) CYCLOTRON Indonesian Journal of Engineering and Technology (INAJET) Journal Zetroem Journal of Electrical Engineering and Computer (JEECOM) J-Eltrik Jurnal Fortech PELS (Procedia of Engineering and Life Science)

Riza Alfita

Universitas Trunojoyo Madura

Author-ID : 3184990

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Published : 17 Documents Claim Missing Document

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Rancang Bangun Alat Pemilah Sampah Organik Dan Anorganik: Rancang Bangun Alat Pemilah Sampah Organik Dan Anorganik Riza Alfita; Kunto Aji Wibisono; M.Wahid Anwar
ZETROEM Vol 3 No 1 (2021): ZETROEM
Publisher : Prodi Teknik Elektro Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/ztr.v3i1.1252

Garbage is one of the causes of a problem that is difficult to solve in Indonesia and even in other countries, many cities in Indonesia are filled with garbage. Maybe one of the factors is the scattering of garbage everywhere because humans themselves are lazy to throw away their place or are already accustomed to littering, causing rubbish to be scattered everywhere which can eventually lead to garbage pollution, unpleasant odors and ultimately can cause flooding. In this research, we will make a tool for sorting organic and inorganic waste, namely by making a tool such as a conveyor to sort the types of organic waste and the types of inorganic waste which will later be classified separately and collected in their own place so that they are not mixed together. To distinguish which organic and inorganic waste we will use a capacitive proximity sensor as a sorter, atmega 16 as a microcontroller to run all the work of the appliance system. DC motor as a conveyor drive. The LDR sensor detects the presence of waste. From the test, the organic and inorganic waste sorting tool has pretty good results with an average success rate of detecting organic waste of 66.67% and the success rate for inorganic waste is 63.33%.

Hotplace Magnetic Stirrer Automatic Heat Control and Water Velocity Based on PID (Proportional Integral Derivative) Zaifuddin; Achmad Ibadillah; Riza Alfita; Deni Tri Laksono
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

Hotplate magnetic stirrer is a laboratory tool that is used to heat or warm as well as mix or homogenize chemical solutions. This tool is available in chemical, microbiology and pharmaceutical laboratories. Equipped with a stirrer made of magnets (stir bar) which is used to homogenize chemical solutions. This magnetic stirrer hotplate uses an ATMega 16 microcontroller based system. It uses an infrared temperature sensor MLX90614 to measure and monitor the temperature of the solution, starting from the start of mixing which is assisted by rotating a DC motor as a stirring device until the liquid is mixed or homogeneous. Homogeneous conditions are indicated by the ADC value ( Analog to Digital Convertion) which is obtained constant. If you use the automatic menu, only choose the mixing solution on the automatic menu. There are four choices for the solution speed of 400-1600 rpm with an increase of 400, there are four temperature choices, namely 30-60 degrees Celsius in increments of 10, there is a choice of time used for stirring time at 1-30 minutes. For temperature display, stirring speed and stirring time can be seen on the LCD 20x4 display.

Wireless Sensor Network Design Using Multihop Based on Arduino and NRF24L01+ Mochamad Faris Kurniawan; Riza Alfita; Miftachul Ulum; Hanifudin Sukri
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

The development of communication networks is very useful in daily activities such as wireless data communication, monitoring and system security. In this case, a wireless sensor network technology is known, which is very suitable when applied to a system with a large number of nodes and spread over a large enough area at a low cost. This wireless sensor network is a wireless communication network that supports communication between sensor nodes in a considerable distance by placing several sensors in an area. Generally, this Wsn consists of a sensor node and a server node in the form of a personal computer. The data from the reading of the CO gas value will be sent directly from the sensor node to the node server. This device is built using the nRF24L01 module and the CO gas sensor using the MQ-7 sensor. This wireless sensor network communication system is built using multihop. From the activities it can be concluded that the success of sending data is influenced by the distance and number of nodes working on a topology, with the amount of data sent which is influenced by long distances and the large number of nodes, not all data is successfully received because of the large number of data collisions from each node.

Rancang Bangun Monitoring Sensor Carbon Brush untuk Penulangan dengan Metode Fuzzy Logic (Studi Kasus Din PT.Wika Beton) Farid Amir Marzelly; Riza Alfita; Kunto Aji Wibisono; Haryanto; Miftachul Ulum
J-Eltrik Vol 1 No 2 (2019): November
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/j-eltrik.v1i2.37

Carbon brush mempunyai peranan penting dalam dunia industri, akan tetapi masih terdapat sejumlah orang yang masih tidak mengerti cara kerja dari carbon brush tersebut dan tidak mengetahui keadaan benda tersebut dalam keadaan baik atau sudah rusak terutama oleh pekerja. Kelemahan pada saat troubleshooting menyebabkan para pekerja hanya menerka-nerka saja untuk kerusakan yang dialami, hal itu dapat mengakibatkan putusnya serabut carbon brush sehingga motor akan bekerja lebih berat dengan sisa carbon brush yang ada. Maka dari permasalah tersebut dibuatlah sebuah alat untuk memantau kinerja carbon brush itu sendiri. Yakni “rancang bangun monitoring sensor carbon brush untuk penulangan pada PT.WIKA BETON” yaitu penerapan sensor suhu untuk mendeteksi suhu pada setiap carbon brush. Penelitian yang dilakukan yakni menggunakan sensor suhu DHT11 yanki Carbon brush yang terdeteksi oleh sensor DHT11 akan mengirimkan data pada room control melalui ENC18J60 yang dilanjutkan dengan router data yang terdeteksi oleh sensor akan diproses dan akan menampilakn kondisinya pada GUI yang berada di room control, apabila suhu yang terdeteksi tidak melebihi dari 40°C kan terdeteksi motor dalam keadaan “normal” akan tetapi jika melebihi 40°C maka panel GUI akan menampilkan “overheat” yang akan mengaktifkan modul relay untuk mematikan mesin. Hasil dari pembacaan suhu akan disimpan dalam Microsoft acces yang digunakan sebagai arsip pabrik. Dari hasil penelitian ini menunjukkan bahwa system berjalan dengan baik. System dapat bertahan selam 24 jam selama masa kerja yakni 3 kali pergantian shift. Data yang dikirimkan real time dan sesuai dengan data yang ada dilapangan.

Web-Based Student Thesis Information System of Electrical Engineering Department Trunojoyo University Madura Muhammad Ilham Rasyidi; Diana Rahmawati; Riza Alfita; Miftachul Ulum
JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) Vol 5, No 1 (2022): February 2022
Publisher : Merdeka Malang University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jeemecs.v5i1.5448

The management of student academic data in thesis files in the Electrical Engineering Department, Trunojoyo University Madura (UTM) is still manual, resulting in a waste of time and energy in delivering information. In this study, the current system flow in UTM electrical engineering is described, then carried out by designing an effective system. The system design consists of a database design process. The system design consists of the database design process, web-based user interface design, and HTML creation (HyperText Markup Language). Designing a web-based thesis information system is the purpose of this study. It is displayed through a 50” inch monitor using a mini PC to present thesis information, progress in thesis work, details of the load supervisors, facilities that support students, and admins in making thesis administrative completeness. Later the system is designed to have a database that is useful for storing data and a web-based user interface to enter and retrieve the required data to be accessed anywhere, by several users en masse via an internet connection. The information presented is up to date.

Rancang Bangun Automatic Transfer Switch (ATS) - Automatic Main Failure (AMF) Untuk Otomatisasi Genset Berbasis Mikrokontroller Menggunakan Metode Fault Tolerance M. Dikhyak Falakhul Akmal; Riza Alfita; Miftachul Ulum; Haryanto Haryanto; Mirza Pramudia; Rosida Vivin Nahari
Jurnal FORTECH Vol. 2 No. 2 (2021): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

Often electronic equipment is damaged due to a sudden power outage. This often happens due to uncertain natural conditions, forcing PLN to carry out maintenance on its electricity distribution equipment. In addition, many electrical equipment can be damaged by sudden power outages. To be able to overcome this, people usually use generator to overcome supply failures manually. Based on this background, the author created an Automatic Transfer Switch (ATS) – Automatic Main Faillure (AMF) based on the STM32F103C8T6 microcontroller which is applied to generators when there is a power outage. The ATS – AMF device is made using Relays, PZEM004T Voltage Sensors, magnetic contactors, Miniature Circuit Breakers, stepdown circuits, LCD TFT and STM32F103C8T6 as control systems. This system uses the Fault Tolerance method so that the system can continue to run even if there is damage to the main battery by adding a backup battery as a backup. The results of this study, the Automatic Transfer Switch (ATS) circuit found that the average time needed for the generator to start is 2.5 seconds and the time needed for the generator to produce a stable voltage is 5.7 seconds, thus this time is used as the author's reference in determining the right time to switch the load on the microcontroller so that the load is not damaged due to unstable generator voltage. Whereas in the Automatic Main Failure (AMF) it was found that the Stepdown circuit used to detect whether or not PLN electricity was very responsive because the stepdown circuit was installed in parallel at the PLN source and can be proven by the results in the Arduino application.

Rancang Bangun Timbangan Buah Digital Menggunakan Metode YOLO Clarisna Evita; Riza Alfita; Haryanto Haryanto; Rosida Vivin Nahari; Miftachul Ulum; Mirza Pramudia
Jurnal FORTECH Vol. 3 No. 1 (2022): Jurnal FORTECH
Publisher : FORTEI (Forum Pendidikan Tinggi Teknik Elektro Indonesia)

The rapid development of technology has created various conveniences in all aspects of human life. One of the fields of technology that is rapidly developing is the world of electronics, which demands digitization to facilitate human activities. For example in the field of trade, humans want a process that is practical and easy. Weight measurement is one of the problems that hinders the trading process, because it is still done manually and is less efficient. The purpose of making a design of automatic digital scales based on fruit images using the yolo method (you only look once) is to determine the type and weight of fruit using a Load Cell sensor simultaneously and accurately. The working principle of this tool is the first, the detection of fruit types is processed by a USB Webcam by taking video from the Webcam and then processing it using the Yolo method to identify the type of fruit. The second stage is input from the Load Cell sensor sending object data read to the Raspberry Pi as the main controller. to determine the weight of the fruit, then the last stage is displayed on the LCD and the results can be printed out as proof of purchase receipt. From the LCD directly displays output in the form of price, weight and type of object being weighed. The Yolo method can detect objects and colors and has high detection speed and accuracy.

Co-Authors Abd. Wahid Sholeh Ach Rosyidi Achmad Fiqhi Ibadillah Achmad Ibadillah Achmad Ubaidillah Adi Kurniawan Saputro Ahmad Ubaidillah Bagus Wahyudi Bain Khusnul Khotimah Clarisna Evita Deni Tri Laksono Diana Rahmawati Diana Rahmawati Rahmawati Farid Amir Marzelly Faridatul Husniyah Febrian Andi Pratama Haryanto Haryanto Haryanto Irfanuddin Mudzaki Khatibul Umam Koko Joni Kunto Aji Wibisono Lilik Anifah M. Dikhyak Falakhul Akmal M.Wahid Anwar Miftahul Ulum Mirza Pramudia Mochamad Faris Kurniawan Mochamad Khoirudin Muhammad Ilham Rasyidi Muhammad Jawahir ROSIDA VIVIN NAHARI Sigit Rolis Siti Maslikah Sukri, Hanifudin Ulum, Miftachul Yayan Zanwar M. Zaifuddin

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