If you’ve ever wanted to make your own VU meter but were scared off by the signal ... interpretation to make this look good, but the use of color mixing really makes a difference.

he’s using an Arduino Uno (Atmega328p) which measures the audio level in order to modulate the LED output. A bit of software later (shared on GitHub if you’re interested!) and the VU meters we ...

Called Neopixels, the strips contain either 30, 60, or 120 LEDs per meter. Each LED ... of using something that is easy to integrate with existing code. This was my main draw to the Neopixel ...