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Audio Responsive LED Lights : 7 Steps (with Pictures ...
https://www.instructables.com/Audio-Responsive-LED-Lights/
1.Connect one of the PWM pins (R_PWM,G_PWM or B_WM) to 5v and set Vcc2 to 4v. 2.Connect the LEDs to the driver board. 3.Measure the current draw of the LEDs (make sure only one color is turned on). 4.Now adjust the Vcc2 such that the current draw is 250mA (make sure that the Vcc2 doesn't exceed 4.5v). The voltage Vcc2 that I got was around 4.2v.
Amazon.com: sound activated led lights
https://www.amazon.com/sound-activated-led-lights/s?k=sound+activated+led+lights
Sound Reactive LED Strip : 9 Steps (with Pictures ...
https://www.instructables.com/Sound-Reactive-LED-strip/
5) USB A to B cable $4. - This will be used to upload your Arduino LED code to the Arduino Uno board. 6) Wire cutter/stripper $5. 7) Parallax Sound Impact Sensor $10. 8) Wall Adapter Power Supply - 9VDC 650mA $6. Total cost will be a bout $80 but keep in mind, all of these components are completely reusable.
Rayger LED Party Lights | Music responsive lights like no ...
https://www.cowtechengineering.com/lightshow
Using audio frequency filtering technologies, the Rayger flashes strands of ultra bright LEDs with the beat and intertwined rhythms of music, creating a totally unique music visualization system. Unlike other music light shows that are controlled by audio volume, the Rayger bases its visual response on the different frequencies, or pitches, present in the music for a one-of-a-kind audio …
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