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All Journal Gaung Informatika Jurnal Varidika Tekinfo | Scientific Journal of Industrial and Information Engineering Jurnal Teknoinfo J-SAKTI (Jurnal Sains Komputer dan Informatika) Budimas : Jurnal Pengabdian Masyarakat JoMMiT : Jurnal Multi Media dan IT J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Algoritma Engineering and Technology International Journal (EATIJ) Jurnal Simki Economic Jimstek
Firdhaus Hari Saputro Al Haris
Program Studi Informatika, Fakultas Sains, Teknologi, Dan Kesehatan, Universitas Sahid Surakarta
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Rancang Bangun Sistem IoT Berbasis Energi Hibrid untuk Pemantauan Real-Time dan Peringatan Dini Banjir Rob Pesisir Al Haris, Firdhaus Hari Saputro; Wisudawanto, Rahmat; Fathin Wahyu Lestari, Azizun
Jurnal Algoritma Vol 22 No 2 (2025): Jurnal Algoritma
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/algoritma/v.22-2.2948

Abstract

Tidal flooding is a chronic problem in the coastal areas of Semarang that requires a reliable, real-time monitoring system. This study aims to design, build, and test a prototype Internet of Things (IoT) system for tidal flood monitoring that can operate in coastal environments with limited infrastructure. The research method used is Research and Development (R&D), which includes needs analysis, system design, implementation, and experimental testing. The resulting prototype consists of an HC-SR04 ultrasonic sensor, an Arduino Nano microcontroller, and a NodeMCU ESP8266 communication module supported by a hybrid energy source of a 100-watt solar panel and a 12V 8Ah battery. The measured data is sent to the server and visualized on the web dashboard https://pasutmaritimsmg.store/dashboard.php and sent as an early warning notification via the Telegram application. The test results show that the system has a measurement accuracy of plus or minus 0.25 cm with a data delivery success rate of 98.2%. The system can operate independently for more than 5 days without sunlight. Validation with data from the Indonesian Meteorological, Climatological, and Geophysical Agency (BMKG) shows a very high correlation (R² = 0.98). It is concluded that this prototype is effective as a real-time tidal flood monitoring solution and can be further developed to support an integrated early warning system.
Analisis Customer Rating dan Customer Review terhadap Keputusan Pembelian Produk Makanan Secara Online : Studi Kasus pada Konsumen Pengguna Jasa Pesan Antar Shopee Food di Kota Solo Annisa Indah Mutiasari; Anggit Dyah Kusumastuti; Rusnandari Retno Cahyani; Firdhaus Hari Saputro Al Haris
Jurnal Simki Economic Vol 7 No 2 (2024): Volume 7 Nomor 2 Tahun 2024
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jse.v7i2.618

Abstract

The development of technology that is increasingly advanced today has led to changes in consumer behavior in buying food. The phenomenon of food delivery services through applications has made it easier for people to buy food without having to leave home. The purpose of this research is to determine the influence of customer rating and customer review variables on the purchasing decisions of food products through the Shopee Food delivery service in Solo City, Central Java. Respondents in this study are buyers who have used the food delivery service through Shopee Food, totaling 100 people. The results of the study indicate that, partially, the customer rating variable does not influence the purchasing decision, while the customer review variable affects the purchasing decision. The most dominant variable influencing this study is the customer review variable.
MEMBANGUN SISTEM KOMPUTERISASI SURVEY PERIZINAN SEBAGAI SISTEM PENDUKUNG “SIPINTER” DI DPMPTSP KOTA SURAKARTA BERBASIS WEBSITE Muhammad Azhari; Firdhaus Hari Saputro Al Haris; Hardika Khusnuliawati
JIMSTEK: Jurnal Ilmiah Sains dan Teknologi Vol. 1 (2019): JIMSTEK
Publisher : Fakultas Sains, Teknologi dan Kesehatan Universitas Sahid Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The process of making a survey schedule in DPMPTSP Surakarta is still done manually. It used recording of survey schedule from agenda book. The process of making this survey schedule resulted ineffective and inefficient services. The aims of research is to create computerized system survey based on a website. The method used interviews, observation, literature review, documentation and waterfall modelling. This study produced a computerized survey system based on website for DPMPTSP Surakarta. This system is expected to accelerate and to facilitate employees in making survey schedules. The design of a computerized survey system includes managing survey schedule data, managing data from the results of reviews and managing user data. System testing used alpha and beta testing. Alpha testing by using black box testing method shows that 5 test cases and 19 test items. Thus, it can be concluded that the computerized survey system is 100% fulfilled or it can run as expected. The beta test results are done by calculating the overall average of each statement compared to the Likert Scale score category table. Therefore, it also can be concluded that the average of the results of testing acceptance is 90.3%. it means that all users receive the application properly.
Co-Authors AA Sudharmawan, AA Alpin Kurnia Putra Amri Eka Widayanto Anggit Dyah Kusumastuti Angky Sudarmono, Angky Annisa Indah Mutiasari Ari Wahono Ari Wibowo Ari Wibowo Arifin, Akhmad Dakhilul Ariwibowo, Heru Arkha Cristya Primadana Arkha Cristya Primadana Armantya, Rian Zandy Astri Charolina Avin Wimar Budyastomo Aziz Jihadian Barid Barid, Aziz Jihadian Bayu Ismunandar Bayu Prakoso Bayu Prakoso, Bayu Dahlan Susilo Desyandri Desyandri Dwi Esti Wardani Dwi Ratna Sari Dwi Ratna Sari, Dwi Ratna Dwi Retnoningsih Dwi Retnoningsih Faqih Fidiyanto Fathin Wahyu Lestari, Azizun Fidiyanto, Faqih Fitriyadi, Farid H.M. Pandu Himawan Hardika Khusnuliawati Hardika Khusnuliawati, Hardika Hastuti, Nurul Herawati, Fadhilah Hernanjaya, Arif Nugraha Heru Ariwibowo Himawan, Pandu Khoirul Huda Khoirul Huda Kohar Sulistyadi Kohar Sulistyadi Kusumastuti, Anggit Dyah Meilina Widiyaningsih Meilina Widiyaningsih Moch. Bagoes Pakarti, Moch. Bagoes Mohan Adha Rifai Muhammad Azhari Muhammad Bagus Pakarti Murni Murni Murni Murni Mursyid, Chasmim Rohmadhan Mutiasari, Annisa Indah Noviyanti, Retno Nugroho Tri Wibowo Nurul Hastuti Pakarti, Muhammad Bagus Pandu Himawan Pratiwiyani Pratiwiyani Purwahana, Radite Putra, Alpin Kurnia Radite Purwahana Rahmat Wisudawanto Ratna Wardani Retno Noviyanti Rian Zandy Armantya Rifai, Mohan Adha rudi pranoto, rudi Rusnandari Retno Cahyani Ruswanti, Diyah Sri Huning Anwariningsih Veronica Sri Yunitasari Wardani, Dwi Esti Wibowo, Nugroho Tri Widayanto, Amri Eka Yunitasari, Veronica Sri