Current Volume 9
Abstract
This project presents a cost-effective IoT-based multi-testing device using the ESP32, where the ESP32 microcontroller serves as the core unit with built-in Wi-Fi capability for network monitoring. The PN532 NFC module is utilized to read, write, and emulate NFC cards for authentication, ensuring that access is granted only to authorized cards stored in the system. The ESP32 also scans nearby Wi-Fi networks to monitor signal strength and connectivity status. In addition, the IR module is used to capture infrared signals, which are stored on an SD card and can be replayed to control IR-based devices such as televisions and air conditioners. TFT touch display is integrated into the system to provide a user-friendly interface, enabling users to easily interact with the device, monitor system status, and control various functions in real time. This integrated system offers a compact, cost-effective, and versatile solution by combining network monitoring, access control, and remote device operation within a single IoT device.
Keywords
IoT, ESP32, NFC, PN532, Infrared Communication, Wi-Fi Monitoring, Embedded Systems, Access Control, Remote Device Control, TFT Display, Smart Systems, Automation.
Citations
IRE Journals:
Thilakkumar S, Dr. M. Kannan "Cost-Effective IoT-Based Multi-Testing Device Using ESP32" Iconic Research And Engineering Journals Volume 9 Issue 12 2026 Page 801-812 https://doi.org/10.64388/IREV9I12-1718731
IEEE:
Thilakkumar S, Dr. M. Kannan
"Cost-Effective IoT-Based Multi-Testing Device Using ESP32" Iconic Research And Engineering Journals, 9(12) https://doi.org/10.64388/IREV9I12-1718731
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