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Components Required: Arduino UNO Smoke Detector Arduino Shield (Self Designed) Power Supply Components for Smoke Detector Arduino Shield: Smoke Sensor (MQ2) Resistors (10K and 1K) Buzzer 16x2 LCD 10k POT LED LM358 Burg strips Designing Smoke Detector Shield for Arduino: For designing Smoke Detector Shield for Arduino we have used EasyEDA, in which first we have designed a Schematic and then converted that into the PCB layout by Auto Routing feature of EasyEDA

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In addition, Botswana has a high prevalence of cigarette smoking of 14.2% among persons aged 15 years and above [38]

Vaping is common among adults, teens, and even employees looking for alternatives to smoking