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All Journal Jurnal Elementer (Elektro dan Mesin Terapan) International Journal of Wireless And Multimedia Communications
Suhairi, M
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Computer Science & IT Control & Systems Engineering 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.
Design and Implementation of a Detection System for pH Levels, Moisture Content, and Sweetness in Honey Suhairi, M; Suhaila, Suhaila; Tuz Zahra, Nurraudya; Widyagustin, Hazimah
International Journal of Wireless And Multimedia Communications Vol. 3 No. 1 (2026): International Journal of Wireless And Multimedia Communications
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jowim.v3i1.280

Abstract

This research aims to design and build a honey detection device. The device is designed to detect three important parameters in honey such as pH, water content, and color. A pH sensor is used to measure the acidity level of honey, which is an important indicator in determining the freshness and quality of honey. A Soil Moisture sensor is adapted to measure the water content in honey, as the appropriate moisture level significantly affects the stability and quality of honey. Meanwhile, an LDR sensor is used to detect the color of honey, which often serves as a visual indicator of the quality and type of honey. Data collected from these three sensors is processed by an ESP32 and displayed in Liquid Crystal Display (LCD) with easily understandable format, enabling users to assess honey quality quickly and accurately. Test results show that this device can provide consistent and reliable data, making it a potential solution for honey quality evaluation in the field. This research also utilizes push buttons for displaying data and resetting or reconfiguring the system. Based on the testing conducted, Uray Honey has the highest water content (11.90%) and the lowest acidity level (4.67). Real Honey with water content (8.19%) and pH (3.43), and TJ Honey with water content (8.68%) and pH (3.41) have similar profiles in terms of water content and pH; however, Real Honey is darker in color (11.05) compared to Uray Honey (9.97). Super Honey has consistent color and water content (8.11%) but has a lower color value (9.59) compared to other honeys and has a pH of (3.41).
Co-Authors Halimah Tuzsakdiah Hidayatturrahman, Hidayatturrahman Suhaila, Suhaila Tuz Zahra, Nurraudya Widyagustin, Hazimah