So you’re trying to get into better shape. Fitness trackers, like the Health o meter nuyu tracker that we reviewed recently, can certainly help one reach their fitness goals. But another important ...

While refurbishing an ageing audio mixer, I decided that the level meters needed special attention. Their rather horrible 100 µA edgewise movements had VU-type scales, the drive electronics being just ...

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 ...