VU Meter


Simple Stereo VU Meter

I like to see lights move to music. This project will indicate the volume level of the audio going to your speakers by lighting up LEDS. The LEDS can be any color so mix them up and really make it look good. The input of the circuit is connected to the speaker output of your […]


Audio Mixer + VU Meter

This is audio mixer circuit. The circuit is for one channel input, if you need, for example 5 channel mixer, then you need to build 5 similar circuits. Schematic diagram: Component part list: TR1,2 = FCS9015 ; TR3 = C1213 ; IC1,2 = 741 or TL071 The kit of this circuit is available on the […]