This VU Meter is Built Into the Speaker - Hackaday

Hackaday

This VU Meter is Built Into the Speaker Hackaday To control the LEDs, 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 were ready for action — check it out! y más »