How do you keep track of the hours that you put on your outboard motor each season? Add a digital hour meter to your boat’s engine to better adhere to your service schedule. Unless you have a new ...

This handy DIY Digital AC Watt Meter not only has an impressive 30A ... head over to this video where [Ben Krasnow] explains KiloWatt Hour Meters ...

The technicians at iFixit got their hands on an Elster Rex2 Watt-hour meterwith features that an old-fashioned motor-driven meter lacks: nonvolatilememory with 1 million write cycles, advanced ...

[Michel]’s meter reader is pretty straightforward. His smart wattmeter is equipped with an IR LED that pips for every watt-hour consumed, so optical coupling was a natural approach. The pulse ...