Implementation of an Internet of Things Architecture to Monitor Indoor Air Quality: A Case Study During Sleep Periods

Most human time is spent indoors, and due to the pandemic, monitoring indoor air quality (IAQ) has become more crucial.In this study, an IoT (Internet of Things) architecture is implemented to monitor IAQ parameters, including CO2 and particulate matter (PM).An ESP32-C6-based device is developed to measure sensor data and send them, using the MQTT

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Experimental Study on Power Frequency Breakdown Characteristics of C4F7N/CO2 Gas Mixture Under Quasi-Homogeneous Electric Field

As a new environmental-friendly gas insulating medium, Automatic Watch perfluoroisobutyronitrile (C4F7N) has been widely concerned in recent years due to its relatively low global warming potential and excellent dielectric strength, which has the potential to replace the most greenhouse gas, sulfur hexafluoride(SF6).However, there are a few systema

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Revitalising South African City Centres Through ICT

The majority of South African city centres are in a state of degeneration and need revitalising.The factors that contributed to the degeneration and Mop Racks how the integration of information and communications technology (ICT) can be used to revitalise them were examined in three South African city centres.The research was grounded in place theo

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