Cheap and cheerful.

Arduino Cloud dashboards let you monitor and control multiple boards from one place, using customizable widgets to display data or trigger actions in real time. They can be accessed through a browser ...

Kuxiu S4 brings 25W Qi2.2 charging, a semi-solid battery, and real-time monitoring to redefine MagSafe power banks.

As we learn more about all the nasty stuff floating in the air, it becomes more compelling to monitor the air for pollution ...