Make your own LED Sign VU Meter

2016-05-08

[public] 614K views, 16.9K likes, dislikes audio only

Previous video: /youtube/video/m8rK9gU30v4

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Twitter: https://twitter.com/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-Your-Own-LED-Sign-VU-Meter

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/_dY2kgvt

100x 5mm Green LED: https://s.click.aliexpress.com/e/_dV63r7D

1x Perfboard with copper dots: https://s.click.aliexpress.com/e/_dXx2Zv5

1x 3.5mm Audio Jack: https://s.click.aliexpress.com/e/_d6P8Gwx

1x DC Jack: https://s.click.aliexpress.com/e/_d6cVZVl

2x LM324 OpAmp: https://s.click.aliexpress.com/e/_dTfU1ML

1x 47µF Capacitor: https://s.click.aliexpress.com/e/_d7dOwRz

1x 100kΩ Potentiometer: https://s.click.aliexpress.com/e/_dX83GAF

7x IRFD220 N-channel MOSFET: https://s.click.aliexpress.com/e/_d8bd2m3

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/_dTPpXjt

1x 12V 2A Power Supply: https://s.click.aliexpress.com/e/_dYHJ45t

1x: Buck Converter: https://s.click.aliexpress.com/e/_dZOxkKj

Ebay:

1x Stripboard: -

100x 5mm Green LED: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=310704471546&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x Perfboard with copper dots: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=321668061833&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x 3.5mm Audio Jack: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=231724077290&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x DC Jack: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=322098317351&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

2x LM324 OpAmp: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=171433680505&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x 47µF Capacitor: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=161737167271&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x 100kΩ Potentiometer: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=201546691455&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

7x IRFD220 N-channel MOSFET: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=291550093314&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

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/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=271598211084&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x 12V 2A Power Supply: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=221808912575&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

1x: Buck Converter: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=321476590827&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg

Music:

2011 Lookalike by Bartlebeats

Killing Time, Kevin MacLeod (incompetech.com)