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All Journal JURNAL TEKNIK Jurnal Penelitian Geografi (JPG)
Gustiawan, Ridho
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Internet Of Things : Mengotomatisasi Pemberian Makan Ikan Lele dengan Memantau Sistem Panel Surya Off-Grid Gustiawan, Ridho; Sadi, Sumardi; Mulyati, Sri
Jurnal Teknik Vol 13, No 2 (2024): Juli - Desember 2024
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jt.v13i2.11910

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AbstractA very profitable business for catfish farming, besides the results can be eaten alone, the rest can be sold and become additional income for those who cultivate it. Fish feeding activities sometimes experience delays and are not in accordance with a predetermined schedule. Feeding is often delayed resulting in starving fish and cannibals. To prevent delays in feeding, an automatic fish feed tool was made that can regulate fish feed schedules using the internet of things with an electric power source using solar panels. This tool describes the OFF-GRID PLTS monitoring system as a power source and works using the Real-Time Clock (RTC) Module as a component needed to provide information about the time as well as provide a schedule for fish feed driven by a servo motor. Based on the test results, the entire solar panel device can produce 14.19 Wh of electrical energy and charging a battery with a capacity of 12V 3A takes 13.6 hours. The amount and weight of fish feed issued by the servo motor for 1 dose of fish feed is 2 grams with an angle of 50 degrees.Keywords: Servo Motor, Real-Time Clock (RTC), PLTS, Monitoring, ESP8266, Blynk.
Spatial Distribution Analysis of Land Use, Land Surface Temperature, and Temperature-Humidity Index in Bogor City in 2004, 2014, and 2024 Gustiawan, Ridho; Hermawan, Erwin; Kamilah, Nurul; Primasari, Dewi
Jurnal Penelitian Geografi Vol 13 No 2 (2025): Jurnal Penelitian Geografi (JPG)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpg.v13.i2.33610

Abstract

Rapid urbanization in Bogor City in 2004, 2014, and 2024 caused significant changes in land use, marked by an increase in built-up areas and a decrease in vegetation cover. These changes triggered an increase in Land Surface Temperature (LST) and Temperature Humidity Index (THI), which had an impact on heat stress, health disorders, and a decline in quality of life. This study analyzes the relationship between land use changes and LST and THI and develops an interactive web application for visualization. Land classification was performed using the Random Forest algorithm, LST was calculated from Landsat thermal bands (TM 2004, OLI/TIRS 2014 & 2024), and THI was based on Air Temperature (T(a)  )and Relative Humidity (RH). The results show that built-up land increased by 2,074 ha (from 4,371 ha to 6,445 ha), in line with an increase in average LST from 26.16°C to 27.13°C and THI from 24.30 to 24.90. In conclusion, the increase in built-up area contributed significantly to the rise in LST and THI, emphasizing the importance of sustainable spatial planning, such as optimizing green open spaces to maintain thermal comfort and quality of life.Keywords: 
Co-Authors Dewi Primasari Erwin Hermawan Nurul Kamilah Sadi, Sumardi Sri Mulyati