After downloading the library, load the MQ7_Example.ino example sketch onto your device, with analog out connected to A2 GND connected to GND Vin connected to 5V Upload the sketch, and then monitor ...

Forest fires are one of the main causes of environmental degradation. More than a million species of animals have lost their lives in the 2019–2020 wildfire that spread in the Amazon forest. The model ...

Among a plethora of options to choose from, here are the six best hard-wired smoke detectors from our testing. Take a peek!