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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: s.click.aliexpress.com/e/_dY2...
100x 5mm Green LED: s.click.aliexpress.com/e/_dV6...
1x Perfboard with copper dots: s.click.aliexpress.com/e/_dXx...
1x 3.5mm Audio Jack: s.click.aliexpress.com/e/_d6P...
1x DC Jack: s.click.aliexpress.com/e/_d6c...
2x LM324 OpAmp: s.click.aliexpress.com/e/_dTf...
1x 47µF Capacitor: s.click.aliexpress.com/e/_d7d...
1x 100kΩ Potentiometer: s.click.aliexpress.com/e/_dX8...
7x IRFD220 N-channel MOSFET: 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: s.click.aliexpress.com/e/_dTP...
1x 12V 2A Power Supply: s.click.aliexpress.com/e/_dYH...
1x: Buck Converter: s.click.aliexpress.com/e/_dZO...
Ebay:
1x Stripboard: -
100x 5mm Green LED: rover.ebay.com/rover/1/711-532...
1x Perfboard with copper dots: rover.ebay.com/rover/1/711-532...
1x 3.5mm Audio Jack: rover.ebay.com/rover/1/711-532...
1x DC Jack: rover.ebay.com/rover/1/711-532...
2x LM324 OpAmp: rover.ebay.com/rover/1/711-532...
1x 47µF Capacitor: rover.ebay.com/rover/1/711-532...
1x 100kΩ Potentiometer: rover.ebay.com/rover/1/711-532...
7x IRFD220 N-channel MOSFET: 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: rover.ebay.com/rover/1/711-532...
1x 12V 2A Power Supply: rover.ebay.com/rover/1/711-532...
1x: Buck Converter: rover.ebay.com/rover/1/711-532...
Music:
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod (incompetech.com)
Негізгі бет Ғылым және технология Make your own LED Sign VU Meter
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