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All Journal EPIC : Journal of Electrical Power, Instrumentation and Control Journal of Technology and Informatics (JoTI) Jurnal Management Risiko dan Keuangan Electrician : Jurnal Rekayasa dan Teknologi Elektro OKTAL : Jurnal Ilmu Komputer dan Sains
Toto Raharjo
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Astronomy Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Mechanical Engineering Social Sciences

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MONITORING PEWAKTUAN PENGISIAN AIR DARI SUMBER SAMPAI KE TANGKI DENGAN MENGGUNAKAN PLC OMRON Toto Raharjo; Ismail Ismail
EPIC (Journal of Electrical Power Instrumentation and Control) Vol 2, No 1 (2019): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (951.746 KB) | DOI: 10.32493/epic.v2i1.1599

Abstract

Telah dibuat monitoring pewaktuan pengisian air dari sumber sampai ketangki dengan menggunakan PLC omron. Alat tersebut untuk membantu memonitoring pengisian dari sumber kesebuah storagetank. Penelitian ini bertujuan membuat seperangkat sistem monitoring pewaktuan pengisian air dari sumber sampai ketangki dengan menggunakan PLC omron dan mengetahui cara kerja sistem monitoring pewaktuan pengisian air dari sumber sampai ketangki dengan menggunakan PLC omron.Pembuatan alat monitoring menggunakan sensor level air (float switch) sebagai pendeteksi air pada sebuah storage tank kemudian memberi perintah ke PLC dengan menggunakan software CX-Programmer.Hasil percobaan menunjukkan pengisian air pada sebuah storage tank menggunakan level sensor float switch yang berfungsi sebagai start dan stop pompa pengisian air.Alat monitoring menggunakan PL Comron CP1E untuk menginformasikan pengisian waktu normal di bawah 200 detik dengan menyalanya lampu indicator hijau,menginformasikan pengisian warning saat waktu pengisian melebihi 200 sampai dengan270 detik dengan menyalanya lampuin dikator kuning,dan akan menginformasikan pengisian trouble saat waktu pengisian melebihi 270 detik sampai waktu tak terhingga dengan menyalanya lampu indicator merah bersamaan dengan bunyi buzzer untuk setiap pengisian tangka bervolume 21 liter.Program  monitoring waktu pengisian air ketangki menggunakan software CX-Programmer, dimana waktu pengisian  normal di bawah 200 detik, waktu pengisian warning melebihi 200 sampai dengan 270 detik dan waktu pengisian trouble melebihi 270 detik.Kata kunci :CX-Programmer, PLC CP1E, Float Switch Censor 
PENGARUH INFLASI, NILAI TUKAR KURS, SUKU BUNGA SBI TERHADAP HARGA SAHAM Nurdianingsih, Indah Eka Putri Pramesti; Toto Raharjo
Jurnal Management Risiko dan Keuangan Vol. 1 No. 3 (2022)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jmrk.2022.01.3.04

Abstract

The purpose of this research is to identify the effect of inflation, USD’s exchange rate, and SBIinterest rate on stock prices. Using purposive sampling, nine companies listed on the IndonesiaStock Exchange from 2017 to 2021 were selected as the sample. The independent variables areinflation, USD’s exchange rate, and SBI interest rate, and the dependent variable is stock prices. The multiple linear regression analysis performed in this study has led to findings that inflation and USD’s exchange rate significantly affect stock prices and that SBI interest rate does not influence the stock prices.
Sistem Monitoring Tanaman Sawi Di Lingkungan Greenhouse Menggunakan Catu Daya Surya Panel Sunardi; Riskiana; Jamal A. Rachman Saprin; Toto Raharjo; Aris Suryadi
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 3 No 12 (2024): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Cultivation of mustard plants (Brassica rapa var. parachinensis L.) in open land has many obstacles such as pest attacks, wind, floods, environmental temperature, to watering problems that do not meet the requirements of plant growth, the impact is the disruption of plant growth. Cultivation of plants in the greenhouse is a good alternative to control these constraints. However, the need for electricity for both industry, offices, and the general public and individuals is greatly increased. However, this increase in electricity needs is not accompanied by the addition of electricity supply. Based on these problems, solar energy is chosen as an alternative energy to produce electrical energy. The tool used in this study is solar panels with a capacity of 50 Watt Peak. In order for solar energy to be used at night, during the day the electricity generated is stored first to the battery with a capacity of 20 Ampere Hour. Mustard plant monitoring system in greenhouse environment has been designed using Arduino Uno microcontroller. Control is developed using two sensors namely DHT11 sensor and soil moisture sensor. Using two actuators namely fan actuator and water pump actuator as environmental temperature and humidity control. The design is placed inside a plant house connected to the LCD as a data viewer during the cultivation period
Simulated Phishing Attack and Forensic Analysis Using the D4I Framework: A Case Study on Kredivo Muhammad Yusuf Halim; Toto Raharjo; Rosi Rahmadi Syahputra; Erika Ramadhani
Journal of Technology and Informatics (JoTI) Vol. 7 No. 2 (2025): Vol. 7 N. 2 (2025)
Publisher : Universitas Dinamika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37802/joti.v7i2.1086

Abstract

Phishing is a form of cyberattack where attackers deceive users into revealing sensitive information such as credentials or financial data, often through fake communication channels or websites. This threat is particularly critical in the financial technology (fintech) sector, where services rely heavily on digital transactions and user trust. This study presents a simulated phishing case targeting Kredivo users to evaluate the effectiveness of the Digital Forensics framework for Reviewing and Investigating cyber-attacks (D4I) in digital forensic analysis. The Cyber Kill Chain (CKC) model was employed to trace attacker behavior across seven phases, from weaponization to actions on objectives. Forensic data was acquired using MOBILedit Forensic Express from two smartphones, namely an iPhone 11 (iOS 15.8.1) and a Vivo Y21 (Android 8.1.0), which served as simulated evidence devices. Using the D4I framework, the investigation successfully identified and correlated key digital artifacts such as phishing links, OTP transmissions, and unauthorized access logs. These findings were organized into a visual chain of artifacts to reconstruct the full attack lifecycle. The results demonstrate that the D4I framework is effective in guiding structured forensic investigations and understanding attack patterns, supporting the enhancement of fintech security strategies.
Efisiensi Daya dan Konsumsi Energi Listrik pada Penerangan Jalan Tol Pondok Aren Didit Maulana; Ojak Abdul Rozak; Woro Agus Nurtiyanto; Toto Raharjo
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 17 No. 3 (2023)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v17n3.2522

Abstract

Co-Authors Aris Suryadi Didit Maulana Erika Ramadhani Ismail Ismail Jamal A. Rachman Saprin Muhammad Yusuf Halim Nurdianingsih, Indah Eka Putri Pramesti Riskiana Rosi Rahmadi Syahputra Sunardi Woro Agus Nurtiyanto