This simple circuit indicates the amount of power that goes to a loudspeaker. The dual-color LED shows green at an applied power level of about 1 watt. At 1.5 watts it glows orange and above 3 watts ...

At the end of the DI for a Simple log-scale audio meter, I promised to show how to upgrade it to work better. With these fixes, it now has near-digital performance, with faster response and smoother ...

Given its appearance in one form or another in all but the cheapest audio gear produced in the last 70 years or so, you’d be forgiven for thinking that the ubiquitous VU meter is just one of those ...

The ElectroSmash website has featured a new Arduino Audio Meter which takes the form of a programmable guitar pedal based on the Arduino UNO development board. Providing users with the ability to read ...

Not the power meter we reviewed previously – the new Pioneer is a highly competitive device with near-overwhelming data output options The Pioneer Power meter (or SGY-PM910H) is the second generation ...

Sturdy and seemingly accurate overall, but imbalanced left-to-right Buy if, You want power data in a crankset that matches your new Dura-Ace group and you don’t care about left/right metrics Shimano’s ...