Humidity control and monitoring system for moisture sensitive devices (MSD)

Elango, Karrthik (2022) Humidity control and monitoring system for moisture sensitive devices (MSD). Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The design, development, and testing of a control and monitoring system for moisture sensitive devices (MSDs) within a specified temperature and humidity range are discussed in this study. The objective of this project was to create an Arduino-based embedded device that could monitor and adjust the temperature and humidity of a storage room using the Internet of Things (IoT). This project was initiated with an idea of solving some problems in semi-conductor industries. The first problem statement was moisture is an invisible pest in the electronics production industry. The majority of components and integrated circuits (ICs) will have their unique moisture sensitivity (MSL). For industries with high mix low volume the MSD will take more time to be used. The process of keeping the MSD for a long time will require more effort to preserve the humidity because the tendency to the moisture absorbed is high. Many problems may be traced back to moisture in microelectronic packages. Moisture absorption in electronics packages can result in a variety of issues. The moisture from the industrial environment is then absorbed into the electronic packages, which will cause problems during the PCB manufacturing solder reflow process. To avoid interior damage, these MSDs must be regulated and kept against moisture in accordance with international industry standards. This project was an idea of build a storage which is able to control and monitor the humidity in it. The prototype was primarily constructed with an Arduino Mega, an ESP8266 Wi-Fi Module, and a DHT 22 sensor, which can measure the humidity and temperature of the storage and provide data to the Arduino, with real-time data being supplied to the Blynk mobile application.The Arduino Mega hardware is nothing other than a motherboard that can be used to create interactive things using an IDE (Integrated Development Environment). The project was tested and the gained data were discussed with explanation. This report is divided into two sections: a theoretical introduction to the materials, equipment utilised throughout the project, and a step-by-step approach for connection, prototype, and circuits. At the end, the project met its objectives; implementation was made feasible by the Arduino library, earlier work by another student, and related online sites where the majority of the material was available. There were also some important criteria to be changed or improved in future while doing this research for betterment.

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