Stereo VU Meter


Posted on Jun 3, 2012

This is it. It`s a STEREO LED LEVEL METER. It`s the cheapest and best bar graph display available and best of all, it uses readily available components. You only need a handful of LEDs, 22 transistors, some resistors, diodes and a set of electros - it doesn`t require any chips.


Stereo VU Meter
Click here to download the full size of the above Circuit.

You may be wondering why we didn`t choose the LM 3914 or LM 3915 bar-graph LED driver chips. The reason is simple. We learnt our lesson from our Mini Frequency Counter Book. In it we used a relatively novel chip, the CD 4026. And after releasing 10,0




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Precision Metronome/Pitch
Headphone Amplifier
USB powered LED
Fiberoptic interface
Contrast meter
Fuzz box 1
Signal-injector
Model Train And Slot-Car Controller
light activated switch
TESLA COIL BUILT
Robotics Page
Simplest and low cost USB AVR
simple touch switch circuit
Selfrunning Free Energy 5 KW Kapanadze 8
DIY Homemade Power Pulse Controller
Fundamentals of Electrical Engineering and Monostable Multivibrator
Secret of the Great Pyramid



Top