During the progress of this project, many difficulties and challenges were encountered. The main challenge was the COVID-19 pandemic. One major difficulty is the ban of gathering that the country announced during the progress of the project, which permitted meetings only online, which made it difficult to track the project flow as a team. Besides, the university closed its doors to confront the outbreak of the COVID-19 pandemic, which made it more difficult to complete the experiments due to the lack of laboratory equipment, as the tests were limited to the devices already in possession with one of the students. During the tests, one of the microcontrollers (ESP32) was burned while connecting an LED to work as an indicator which decreases the number of the devices in the final testings to only four devices.