December 24, 2010 Add as a preferred source on Google Add as a preferred source on Google If you're interested in keeping an eye on your power usage but not so interested in paying big bucks for a ...

Measuring the power drawn by electrical appliances accurately is achieved by this Enerjar project which is an easy-to-build device. The voltage and current traveling through the mains is measured by ...

Sometimes the best designs out there are not ‘products’ that can be purchased — but big ideas made accessible to all through the power of Do-It-Yourself design. The award-winning EnerJar takes the ...

As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. This DIY USB-C PD tool, sent in by [ludwin], ...

This is the type of crowd that’s famous for building their own test equipment. If you need a way to program a flash chip, don’t go out and buy one — you can just build one. Need a spectrum analyzer?