Arduino Bar graph Stereo VU meter on VFD display G

A simple Stereo VU (Volume Unit) meter that represents the intensity of an audio signal using a series of bars. VFD Display type is GP1287.

mircemk

Quantity		Component name
1	×	Arduino Nano R3
1	×	GP1287 VFD display 256x50
1	×	2x10k Potentiometer
2	×	1N4007 – High Voltage, High Current Rated Diode
2	×	Capacitor 10 µF
2	×	Resistor 4.7k ohm
1	×	Resistor 47k ohm