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All Journal PROtek : Jurnal Ilmiah Teknik Elektro
Anugrah pratama
Universitas Bina darma
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy

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Monitoring Of Preservative Detection Devices In Market Foodstuffs Anugrah pratama; Nina paramitha; Tamsir Ariyadi; Endah Fitriani
PROtek : Jurnal Ilmiah Teknik Elektro Vol 13 No 1 (2026): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v13i1.9713

Abstract

Food safety is a crucial issue in Indonesia, especially regarding the use of hazardous preservatives such as formaldehyde in street food. Manual monitoring of formaldehyde use is often ineffective, so an automated system is needed to detect formaldehyde in real time. This study aims to develop an Internet of Things (IoT)-based formaldehyde detection system using an ESP32 microcontroller equipped with an ultrasonic sensor for automatic object detection. The detection data is sent to a Telegram-based platform. The test results show that this system is capable of accurately detecting objects at a distance of 0-20 cm and measuring voltage well to ensure the stability of the device. Testing of food samples shows the presence of borax in some street food, which proves the effectiveness of the system in detecting harmful preservatives and improving food safety.
Co-Authors Endah Fitriani Nina Paramitha Tamsir Ariyadi