40 LED Vu-Meter with LM3915 (V2.0 DOT/BAR)

Vu-Meter with 40 LEDs and four LM3915 (DOT + BAR Mode).
EDIT: ► PCB: Vu-Meter 40 LED on PCB with LM3915 TU... (Final Version)

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This circuit is under development, it is not the final version. Stay Tuned =)

Components:
40x LEDs 5mm
1x LED 3mm
4x LM3915 ICs
6x 1KΩ Resistor
1x 100KΩ Resistor
8x 2.7KΩ Resistors
1x 1uF @ 25V Electrolytic Capacitor
1x 220uF @ 25V Electrolytic Capacitor
1x 1N4007 Diode
1x Switch for Dot/Bar

Electric diagram at: 1:10 [Beta V2.0]

■ Do you want to Make a PCB?
Look this: Vu-Meter 20 LEDs LM3915 - PCB TUTORIAL

► My Electronics Creations: https://goo.gl/k1PN4A
► More videos: stefano91ste

WARNING: This video is only for demonstration. I don't take any responsibility for damage to things, people and animals.

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