If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. Hackaday Alum [Phil Burgess] developed the device using an RGB LED m… ...

As far as VU meters go, we can’t forget this awesome giant-water-tube-VU-display-of-madness. Posted in Arduino Hacks , LED Hacks , Musical Hacks Tagged atmega328p , music speaker , vu , VU meter ...

For a one-meter, 60 LED strip of Neopixels such as the one I bought, ... Adafruit recommends connecting a 300-500 OHM resistor between the data pin of the Arduino and the data line on the Neopixel.