Make your own LED Sign VU Meter Video

Previous video: https://youtu.be/m8rK9gU30v4
Facebook: https://www.facebook.com/greatscottlab
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)

About the Site 🌐

This site provides links to random videos hosted at YouTube, with the emphasis on random. 🎥

Origins of the Idea 🌱

The original idea for this site stemmed from the need to benchmark the popularity of a video against the general population of YouTube videos. 🧠

Challenges Faced 🤔

Obtaining a large sample of videos was crucial for accurate ranking, but YouTube lacks a direct method to gather random video IDs.

Even searching for random strings on YouTube doesn't yield truly random results, complicating the process further. 🔍

Creating Truly Random Links 🛠️

The YouTube API offers additional functions enabling the discovery of more random videos. Through inventive techniques and a touch of space-time manipulation, we've achieved a process yielding nearly 100% random links to YouTube videos.

About YouTube 📺

YouTube, an American video-sharing website based in San Bruno, California, offers a diverse range of user-generated and corporate media content. 🌟

Content and Users 🎵

Users can upload, view, rate, share, and comment on videos, with content spanning video clips, music videos, live streams, and more.

While most content is uploaded by individuals, media corporations like CBS and the BBC also contribute. Unregistered users can watch videos, while registered users enjoy additional privileges such as uploading unlimited videos and adding comments.

Monetization and Impact 🤑

YouTube and creators earn revenue through Google AdSense, with most videos free to view. Premium channels and subscription services like YouTube Music and YouTube Premium offer ad-free streaming.

As of February 2017, over 400 hours of content were uploaded to YouTube every minute, with the site ranking as the second-most popular globally. By May 2019, this figure exceeded 500 hours per minute. 📈

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