SwitchBot's Meter Pro tracks air quality wherever you put it and had surprising results for my kitchen, bedroom and more.

Measuring the usage of domestic utilities such as water, gas or electricity usually ... most modern utility meters have a pulsed LED output, which can be used to monitor the consumption by using ...

After building devices that can read his home’s electricity ... gas line. Rather than tapping into the line and measuring the gas directly, his (much safer) method was to simply monitor the gas ...

Understand your electricity meters Electrical meters track ... Timer DEWENWILS Outdoor Light Timer BN-LINK Indoor Countdown Timer Choose energy monitors that connect to mobile apps Choosing ...