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Presence-gated VOC sensing for urban search and rescue applications. [PDF]

open access: yesSci Rep
Tanggono EN   +6 more
europepmc   +1 more source

IoT-Based Smart Air Purification and Real-Time Environmental Monitoring System Using ESP8266 and MQ135 Sensor

open access: yes
Air pollution is a major environmental challenge that creates a need for affordable and intelligent air quality monitoring and purification systems. This research presents an Internet of Things (IoT)-based smart air purification and environmental monitoring system using an ESP8266 NodeMCU microcontroller and an MQ135 gas sensor.
openaire   +1 more source

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