Internet of Things-Based Tobacco Dryer Monitoring System Design

Risma Tamsar; Karyo Budi Utomo; Agus Triyono

doi:10.59934/jaiea.v6i1.2689

Authors

Risma Tamsar Samarinda State Of Polytechnic
Karyo Budi Utomo Samarinda State Of Polytechnic
Agus Triyono Samarinda State Of Polytechnic

DOI:

https://doi.org/10.59934/jaiea.v6i1.2689

Keywords:

DHT22, ESP32, Internet Of Things, Load cell, Monitoring, Tobacco Dryer

Abstract

This research aims to design and implement an Internet of Things (IoT)-based tobacco dryer monitoring system capable of automatically regulating temperature and humidity while displaying data in real-time through a web dashboard. The system is built using an ESP32 microcontroller as the main controller, a DHT22 sensor for temperature and humidity readings, and a Load Cell sensor for tobacco weight measurement. The actuators consist of a heating lamp and a 12V DC fan controlled via a 2-channel relay module. Test results show that the DHT22 sensor achieves an average temperature reading deviation of ±0.25°C and humidity of ±1%, while the Load Cell records an average error of 0.6%. The automatic control system maintains the temperature within the range of 35°C–45°C with a response time of 1–2 seconds. Temperature, humidity, and weight data are successfully transmitted and displayed on the web dashboard in real-time with a data refresh interval of 1–2 seconds. The system is proven to be stable, accurate, and efficient in supporting the tobacco drying process independently of weather conditions.

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