The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...
Air quality is deteriorating around the world. The World Health Organization (WHO) states that in 2014 there were 3.7M deaths from ambient or outdoor air pollution and 4.3M deaths from indoor or ...
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