Vu meter

259

02:28:31

Hello there! With this led vu meter you ll be able to see the real signal of an. Audio source. Duplicate the circuit using a quad op amp like lm327, but it will work whit almost all the op amp.
You can also improve it using more op amp, connected with a 1k resistor, so you will have more led! In my personal version I made a vu meter whit 16 led!  Connect the input of the potentiometer (in the schematic it is connected to a sinusoidal source) to the positive output of a speacker and enjoy! 

Greetings from beautiful Sicily, 

Giuseppe Trainiti 

For any information 

traipeppe97@live.it

published 11 years ago

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