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Sustainability | Free Full-Text | Realization of People Density and Smoke Flow in Buildings during Fire Accidents Using Raspberry and OpenCV
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AZDelivery MQ-2 Butane Hydrogen Gas Smoke Detector LPG MQ2 Air Quality Sensor Module compatible with Arduino and Raspberry Pi including E-Book! : Amazon.co.uk: DIY & Tools
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Figure 1 from Development of Fire alarm system using Raspberry Pi and Arduino Uno | Semantic Scholar
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GitHub - amarlokman110/MQ2-Smoke-Sensor-with-Raspberry-Pi: MQ2 Smoke Sensor is used to detect any smoke or combustible gas in the specific area. It is connected with Raspberry Pi.
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