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Multipurpose Incubator Based on Microcontroller System With Distance Monitoring Feature Case Study For Crackers Drying Supriyono, Heru; Juliana, Anik; Supardi, Agus; Kurnia, Pramudya; Ananta, Muhammad Satria; Nugroho, Mohammad Dwiki Aji; Hidayatullah, Helmi
Journal of Applied Engineering and Technological Science (JAETS) Vol. 7 No. 1 (2025): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v7i1.7604

Abstract

Most available commercial incubators are considered not appropriate for certain food processing such as for crackers drying and also considerably expensive. Besides, they do not have distance monitoring and control features. The objective of this article is to present the development process of an incubator prototype which has distance monitoring and control feature built based on the components commercially available in the market involving  traditional stove-based oven, electric heater, DHT22 temperature sensor, ESP8266 microcontroller, buzzer, and LCD OLED display. The incubator was equipped with the Blynk platform of a smartphone for distance control and monitoring. The functional test results showed that the developed incubator works well as expected. The calibration testing results suggested that temperature measurement by using the developed system has inaccuracy of 0.34% when compared to measurement by using a commercial thermometer. To validate its function in actual condition, the incubator was used for drying rice crackers. The rice crackers were dried at the temperature of 70  with a duration of 5 hours. It can be observed that the drying result by using the developed incubator was comparable to that of drying by direct sunlight on a sunny day with a duration of 16 hours.
Incubator with food object detection based automatic heating process using internet of things technology Heru Supriyono; Agus Supardi; Pramudya Kurnia; Mohammad Dwiki Aji Nugroho; Muhammad Satria Ananta; Helmi Hidayatullah
Bulletin of Electrical Engineering and Informatics Vol 15, No 2: April 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v15i2.11297

Abstract

Conventional incubators for heating food generally can be operated manually by both its temperature level and heating duration. This condition provides risk that the food will be heated inappropriately both at its temperature level and heating duration which in turn can decrease food quality. The objective of this article is to develop an incubator for heating food which is equipped with a food object detection based automatic heating process and using internet of things (IoT) technology for distance monitoring and control, which detects the type of food and heating it automatically at both temperature level and duration. The incubator was developed using components available in the market including GY-906-DCI sensor, OV5647 camera, Raspberry Pi 4, NodeMCU microcontroller, and Telegram bot. Testing results showed that the developed incubator system was able to detect food types in real-time, as well as automatically set temperature and incubation time parameters based on it. It was able to maintain a stable incubation temperature, with an average error of 2.74% and a temperature deviation of 1.23 °C. The developed incubator potentially improves safety and user convenience where the food is heated properly both at its temperature level and heating duration.
Hubungan Faktor Internal dengan Perilaku Seksual Berisiko pada Remaja (Analisis SKAP Provinsi Bengkulu 2019) Simanjuntak, Betty Yosephin; Suryani, Desri; Mahyudin, Meriwati; Supardi, Agus; Riastuti, Frensi
Jurnal Kesehatan Vokasional Vol 6, No 4 (2021): November
Publisher : Sekolah Vokasi Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jkesvo.65849

Abstract

Latar Belakang: Perilaku seksual berisiko pada remaja semakin mengkhawatirkan, biasanya diawali dengan meraba, berpegang tangan hingga berciuman. Ada beberapa faktor yang memungkinkan terjadinya perilaku seksual ini baik internal maupun eksternal.Tujuan: Menganalisis faktor internal yang berkaitan dengan perilaku seksual berisiko remaja di Provinsi Bengkulu.Metode: Penelitian bersifat kuantitatif dengan menggunakan pendekatan cross-sectional pada 301 keluarga yang memiliki remaja berusia 10—24 tahun di wilayah Provinsi Bengkulu. Analisis data dilakukan secara deskriptif (univariat) dan bivariat dengan menggunakan uji chi square.Hasil: Perilaku seksual berisiko pada remaja diawali dengan adanya perilaku berpegangan tangan (83,4%), berpelukan (34,2%), ciuman bibir (15,6%), dan meraba/merangsang (3,3%), sebagian besar berusia 15—19 tahun dengan tingkat pendidikan SLTA, serta mayoritas tinggal di pedesaan. Faktor risiko umur berpengaruh terhadap perilaku berpegangan tangan (p=0,018), berpelukan (p<0,001) dan ciuman bibir (p<0,001). Jenis kelamin berpengaruh terhadap perilaku berpelukan (p<0,001), ciuman bibir (p=0,010) dan meraba atau merangsang (p=0,008). Pendidikan berpengaruh terhadap perilaku berpegangan tangan (p<0,001) dan ciuman bibir (p=0,010), sedangkan faktor risiko tempat tinggal diketahui berpengaruh terhadap perilaku ciuman bibir (p=0,030).Kesimpulan: Umur, jenis kelamin, tingkat pendidikan serta tempat tinggal menjadi faktor risiko terjadinya perilaku seksual remaja khususnya berpegangan tangan, berciuman, berpelukan, dan meraba/merangsang. Oleh karena itu, perlu dikembangkan media informasi tentang pentingnya kesehatan reproduksi dan faktor risiko perilaku seksual kepada remaja.