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Hera Susanti
Politeknik Negeri Cilacap
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Journal : Infotekmesin

 1 
Rancang Bangun Monitoring Early Warning System Bencana Banjir Berdasarkan Ketinggian Aliran Sungai Mengunakan Modem SIM900 dan Internet of Things Arif Sumardiono; Erna Alimudin; Zaenurrohman; Hera Susanti
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.1019

Abstract

The rainfall in the Cilacap region is high, about 80-100mm in October-March. The high rainfall that causes the overflow of river water is unpredictable. The high water discharge is not realized until the river water overflows and causes flooding. Therefore, a river water level monitoring system is needed to detect river overflows early. This tool uses a solar cell as a power supply. The monitoring system is divided into two points of river water level monitoring system with a distance between points for the laboratory scale stage, which is 100 meters. Sensors that measure the height of river flow are ultrasonic sensors. The sensor results are processed by microcontroller and SIM 900 L module to be sent to the database. When the water level is in the Alert level 3, the buzzer will sound as a warning. The ultrasonic sensor test results have a very small error. Sensor 1 has an average error of 0.00023% and ultrasonic sensor 2 has an error of 0.00016%. The system is able to transmit river water level data that can be accessed through the website.
Aplikasi Android untuk Menghitung Sistem Pencahayaan dan Sistem Pengkondisian Udara Vicky Prasetia; Hera Susanti; Mardiyana Mardiyana
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2162

Abstract

Optimal lighting and air conditioning are factors that support the feasibility and comfort of a room. Lighting and air conditioning requirements refer to the provisions contained in the Indonesian National Standard (SNI). The selection of lamps for lighting, Air Conditioner (AC) and Exhaust Fan for air conditioning needs to be adjusted to the needs of the room so that the device can work optimally and efficient electrical energy. The design of lighting needs and room temperature comfort is still done manually, resulting in inefficiency in the building design process. Therefore, this research aims to build an Android application to calculate indoor lighting and air conditioning needs. This research methodology includes identifying lux value standards, room position, and air exchange standards based on room type. Furthermore, an Android application is created that can calculate the need for lamp brightness and air conditions according to the applicable formula. The calculation results are displayed on an Android application that can be operated via a smart phone. This application was tested in several types of rooms with different conditions. The calculation results on the application are compared with manual calculations and proven to be accurate. This research has successfully created an Android application that can help users to design lighting and air conditioning needs efficiently and effectively.
Co-Authors Afrizal Abdi Musyafiq Aji, Galih Mustiko Annas Setiawan Prabowo Ari Kristiningsih Arif Sumardiono Asni Tafrikhatin Dian Muhammad Firdaus Erna Alimudin Erna Alimudin Fadhillah Hazrina Fadhillah Hazrina Hendi Purnata Lutfi Syafirullah Mardiyana Mardiyana Mardiyana Mardiyana Muhamad Yusuf Rafiq, Arif Ainur Riyadi Purwanto Saepul Rahmat Santi Purwaningrum Sugeng Dwi Riyanto Vicky Prasetia Vicky Prasetia Zaenurohman Zaenurohman Zaenurrohman Zaenurrohman Zaeurrahman