Interested in taking a crack at improving the classic smoke ... the test system is simply a NodeMCU connected to a buzzer and a MQ2 gas sensor. So how does it work? If the detector goes off ...

According to recent market research and industry forecasts, the global smoke alarm market is projected to grow from USD 2.2 ...

A fire detection security system is a network of devices designed to identify and alert occupants of a building to the ...