What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this project ...

but you can build your own secure access with an Arduino. Just be warned: this one is a bit more complicated than the others ...

If you’re working on an air quality monitoring project and space is at a premium, SparkFun’s latest Qwiic breakout board ...

Nevertheless, this could be a handy sensor, and it’s definitely a solid lesson in design. Still, if your tastes run more toward using this module on the 1.25-cm ham band, have a look at this ...