"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Growing up, one of my father’s catchphrases was, “Turn off the lights when you leave a room; we’re not ...

A $12 power meter helped me test which electronics in my home were the biggest energy vampires. The result shocked me.

With the ever-rising cost of electricity, we’re all getting increasingly sensitive about how much power our computers, televisions, appliances and other doohickeys are using — not just when we’re ...

Hackers love to monitor things. Whether it’s the outside temperature or the energy used to take a shower, building a sensor and displaying a real-time graph of the data is hacker heaven. But the most ...

Adafruit has this week announced the availability of a new Mini Power Meter complete with Voltage, Current, Watt’s mAh and mWh display, which is capable of supporting a wide variety of different ...