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All Journal GEMA TEKNOLOGI
Yonathan Dwi Nugroho
Universitas Diponegoro
Computer Science & IT

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Pengaturan Suhu Dan Kelembaban Serta Penyiraman Pestisida Secara Otomatis Untuk Peningkatan Produksi Jamur Tiram Yonathan Dwi Nugroho; Iwan Setiawan; Yuniarto Yuniarto
Gema Teknologi Vol 21, No 4 (2022): October 2021 - April 2022
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v21i4.90288

Abstract

Oyster mushroom production is often hindered by suboptimal temperature and humidity, as well as manual pest control, leading to inefficiency. This project proposes a prototype system for automatic temperature and humidity control, along with scheduled pesticide spraying, to improve the efficiency and productivity. This system uses an ESP-32 microcontroller, a DHT22 sensor for temperature and humidity monitoring, and an RTC DS1307 for scheduling. Actuators include heaters, Peltier coolers, exhaust fans, humidifiers, and a pesticide pump. Users can monitor and configure the system locally via a 16x2 LCD and keypad or remotely through a web dashboard. Calibration of the DHT22 sensor reduced temperature reading errors from 4.32% to 0.31% and humidity errors from 1.4% to 0.22%. The system maintained temperature within 26–28°C (setpoint 27°C, differential 2) and humidity within 88.5–91.5% (setpoint 90%, differential 3). The automated pesticide spraying functioned according to schedule (every 3 days for a duration of 5 seconds at 17:00). The web dashboard interface showed good performance with a Google Lighthouse score of 100 and a speed index of 0.9 seconds. Oyster mushrooms grow optimally at approximately 4 cm per day and are ready for harvest by the fourth day.
Co-Authors Iwan Setiawan Yuniarto Yuniarto, Yuniarto