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All Journal JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Jurnal Abmas
Elin Nurlina
Universitas Jenderal Achmad Yani
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Budidaya dan desain kumbung untuk meningkatkan produksi jamur tiram putih (Pleurotus ostreatus) Elin Nurlina; Putranti Adirestuti; Ahmad Marjan; Endang Rosdiana; Asep Hodijat; Ate Romli
Jurnal Abmas Vol. 14 No. 1 (2014): Jurnal Abmas
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/abmas.v14i1.155

Abstract

Cultivation of oyster mushroom (Pleurotus ostreatus) provide business opportunities for mushroom farmers' groups, such as in the area of West Bandung regency Cisarua, because the region is cool temperate with the weather tends to be moist, but the farmer groups often face problems in their business. The results of the survey are gathering location problems in mushroom cultivation, suggesting that the lack of facilities and infrastructure to support a cause of the problem. Devices complementary tool in kumbung mold and mildew breeding facilities is the biggest obstacle, so generally the rainy season oyster mushroom production was down to 70 %. Efforts have been made to help resolve these problems is training in the form of images and movie demonstration of good farming techniques, a visit to some of the groups that have experienced mushroom growers, alternative cultivation, mushroom spawn preparation techniques and design tools that can regulate the temperature and humidity conditions kumbung room in the house. The instrument is made to the model introduced simple technology that is easy to manufacture, easy to use and inexpensive in financing.
Sistem proteksi dan monitoring panel mesin printing berbasis IoT menggunakan ESP8266 dan aplikasi Blynk Fauzia Haz; Esby Prasetyo Sudarmaji; Dede Furqon Nurjaman; Elin Nurlina
JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Vol. 6 No. 2: July 2026
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/jitel.v6.i2.2026.141-152

Abstract

Panel mesin printing memiliki potensi mengalami gangguan akibat peningkatan suhu dan keberadaan asap yang dapat memicu kerusakan peralatan maupun kebakaran. Penelitian ini bertujuan merancang dan mengimplementasikan sistem proteksi dan monitoring panel mesin printing berbasis ESP8266 menggunakan sensor DHT11, sensor MQ135, modul relay, dan aplikasi Blynk berbasis Internet of Things (IoT). Metode penelitian meliputi perancangan perangkat keras dan perangkat lunak, implementasi sistem, serta pengujian akurasi sensor, waktu respons, dan fungsi proteksi. Hasil pengujian menunjukkan bahwa sensor DHT11 memiliki rata-rata selisih pengukuran sebesar 1 °C dibandingkan termometer digital, sedangkan sensor MQ135 mampu mendeteksi peningkatan konsentrasi asap dari 3-4 ppm pada kondisi normal menjadi 55-100 ppm saat terpapar asap. Sistem secara otomatis memutus beban ketika suhu melebihi 31 °C atau kadar asap melampaui 50 ppm. Waktu respons sistem tercatat 120-250 ms untuk deteksi asap, 300-800 ms untuk deteksi suhu, 180-350 ms untuk kendali relay melalui Blynk, serta 200-400 ms untuk pengiriman data ke aplikasi. Analisis hasil pengujian menunjukkan bahwa mekanisme fail-safe mampu mempertahankan fungsi proteksi meskipun koneksi internet terputus, karena proses pengambilan keputusan dilakukan secara lokal oleh ESP8266. Dengan demikian, sistem yang dikembangkan mampu memberikan monitoring secara real-time, meningkatkan keandalan proteksi panel mesin printing, serta berpotensi diterapkan sebagai sistem peringatan dini terhadap kondisi overheating dan kebocoran asap.
Co-Authors Ahmad Marjan Asep Hodijat Ate Romli Dede Furqon Nurjaman Endang Rosdiana Esby Prasetyo Sudarmaji Fauzia Haz Putranti Adirestuti