Make your own LED Sign VU Meter

Previous video:    • DIY Buck Converter || How to step dow...  
Facebook:   / greatscottlab  
Twitter:   / greatscottlab  
Support me for more videos: https://www.patreon.com/GreatScott?ty=h
More project information (schematic, parts list,....) on Instructables: http://www.instructables.com/id/Make-...

In this project I will show you how to create a custom LED sign that reacts to the loudness of your music, just like a VU meter does.

Parts list (affiliate links):
Aliexpress:
1x Stripboard: https://s.click.aliexpress.com/e/_dY2...
100x 5mm Green LED: https://s.click.aliexpress.com/e/_dV6...
1x Perfboard with copper dots: https://s.click.aliexpress.com/e/_dXx...
1x 3.5mm Audio Jack: https://s.click.aliexpress.com/e/_d6P...
1x DC Jack: https://s.click.aliexpress.com/e/_d6c...
2x LM324 OpAmp: https://s.click.aliexpress.com/e/_dTf...
1x 47µF Capacitor: https://s.click.aliexpress.com/e/_d7d...
1x 100kΩ Potentiometer: https://s.click.aliexpress.com/e/_dX8...
7x IRFD220 N-channel MOSFET: https://s.click.aliexpress.com/e/_d8b...
11x 10kΩ, 1x 47kΩ, 4x 1kΩ, 2x3.3kΩ, 3x 4.7kΩ, 2x 2kΩ, 1x 6.8kΩ, 1x 2.2kΩ, 1x 51kΩ Resistor: https://s.click.aliexpress.com/e/_dTP...
1x 12V 2A Power Supply: https://s.click.aliexpress.com/e/_dYH...
1x: Buck Converter: https://s.click.aliexpress.com/e/_dZO...

Ebay:
1x Stripboard: -
100x 5mm Green LED: http://rover.ebay.com/rover/1/711-532...
1x Perfboard with copper dots: http://rover.ebay.com/rover/1/711-532...
1x 3.5mm Audio Jack: http://rover.ebay.com/rover/1/711-532...
1x DC Jack: http://rover.ebay.com/rover/1/711-532...
2x LM324 OpAmp: http://rover.ebay.com/rover/1/711-532...
1x 47µF Capacitor: http://rover.ebay.com/rover/1/711-532...
1x 100kΩ Potentiometer: http://rover.ebay.com/rover/1/711-532...
7x IRFD220 N-channel MOSFET: http://rover.ebay.com/rover/1/711-532...
11x 10kΩ, 1x 47kΩ, 4x 1kΩ, 2x3.3kΩ, 3x 4.7kΩ, 2x 2kΩ, 1x 6.8kΩ, 1x 2.2kΩ, 1x 51kΩ Resistor: http://rover.ebay.com/rover/1/711-532...
1x 12V 2A Power Supply: http://rover.ebay.com/rover/1/711-532...
1x: Buck Converter: http://rover.ebay.com/rover/1/711-532...

Music:
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod (incompetech.com)