Typical VU meter. Source: Hoyt Meter The scale to the left of the zero point is generally in black, with a value of -20 dB all the way at the bottom of the scale. Past the 0 dB point, the scale is ...

Last month we featured a project that aimed to recreate the iconic mechanical VU meter with an Arduino and a common OLED display. It was cheap and easy to implement, and promised to bring a little ...

A reference power level shown on a VU METER. Although 0 VU is shown on a VU meter as the point of 100% MODULATION, it is not identical to the reference called zero level, which in fact refers to -4 dB ...