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In this paper, we have presented a solution for monitoring environmental quality and keeping the air clean, called PAERO-1. It is an IoT-based robotic prototyping used for controlling the air quality based on state-of-the-art NodeMCU microcontroller but not limited to, sterilization, purifying, and measuring air quality in the context of Covid-19 pandemic. The correlated data such humidity, temperature, and volatile organic compound (VOC) are kept into the databank for further processing and decision making. The prototype has been tested with its functions working properly. In addition, this work present how PAERO-1 works with the hardware design and concept flow. Overall, this study is a detail of the IoT robot project to control air quality. [ABSTRACT FROM AUTHOR]

Current learning process for digital system course in Computer Systems Engineering, Prasetiya Mulya University utilized basic digital IC as tools to enable student experimenting with digital circuit. However, in recent years, the decreasing price of FPGA makes it as a good candidate tools for teaching digital system. FPGA has advantages over digital ICs due to its capability to be programmed and simulate more complex systems. In this work, the possibility of using FPGA to enhance the understanding of digital system material was analyzed. From the experiment, results obtained show positive contribution on raising the students' interests and understanding of digital and embedded systems in general. [ABSTRACT FROM AUTHOR]