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All Journal Jurnal Elementer (Elektro dan Mesin Terapan)
Suhairi, M
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Electrical & Electronics Engineering Engineering Mechanical Engineering

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Sistem Kontrol Dan Monitoring Intensitas Cahaya dan Suhu Pada Greenhouse BerBasis IoT Suhairi, M; Halimah Tuzsakdiah
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5888

Abstract

In general, cultivated agricultural systems in Indonesia are still in open land. However, agricultural systems that are cultivated on open land still face many problems ranging from land availability, energy, seasonal changes, pests and diseases, to crop failures faced by farmers. Actually, farmers' problems can be overcome by utilizing technology so as to get maximum yields. In this research, a greenhouse will be designed that utilizes the DHT11 sensor to read the temperature and the BH1750 sensor to read the light intensity based on the NodeMCU ESP8266. The application of this IoT-based system results in plant growth that can be controlled automatically according to the needs of the plant in order to get maximum yields. The test results for the DHT11 temperature sensor have 99.74% accuracy, and the BH1750 sensor has 92.8% accuracy. With this system, information on the condition of lettuce plants in the greenhouse can be known through the blynk application.
Sistem Pembangkit Listrik Hybrid Wind Turbine Sebagai Sumber Energi Wireless Sensor Network (WSN) Suhairi, M; Hidayatturrahman, Hidayatturrahman
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 9 No 2 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i2.6063

Abstract

The availability of electrical resources is limited and replacing batteries for renewable energy sources such as solar is a complicated task and will increase costs. Therefore, a system was designed that utilizes wind and solar energy as a source of electricity. One alternative energy that is widely used is harvesting wind energy, and converting wind energy into electrical power. In this research, a wind power plant was designed using a horizontal wind turbine to harvest wind energy as an alternative energy source and the Covarage Awareness method was applied for Pekanbaru City. The power produced by the wind turbine for Pekanbaru City varies every day depending on the wind speed and the height of the building, but in this study the power produced was very small due to low wind speed conditions. Based on observations from Sunday, 18 December 2022 to Tuesday 27 December 2022, the average wind speed was low, namely 2 to 2.5 m/s, then on Wednesday, 28 December 2022 the average wind speed was moderate, namely 3.53 m/s , and finally on Thursday 29 December 2022 the wind speed decreased again, namely 2.71 in the low wind speed category. The comparison between the power obtained by the wind and the power obtained from the wind turbine in Pekanbaru City is 361.11 watts and the power that should be obtained by the wind turbine is 214.13 watts. However, based on observations, the power produced by the wind turbine at a wind speed of 8.17 m/s is 3 watts, because at this speed the wind turbine rotates for a short time of only 3 minutes. Therefore, the power produced by a wind turbine is very small.
Co-Authors Halimah Tuzsakdiah Hidayatturrahman, Hidayatturrahman