This project demonstrates how to control a 12V LED strip using an Arduino Uno and a relay module (SRD-05VDC-SL-C). A push button toggles the LED strip ON/OFF. Each press triggers a startup or shutdown ...

The controller can drive an RGB LED strip which can be up to 25 meters long, using music as input. This can come from any device with a line level output (basically all PCs, mobile phones and Hi-Fi ...

VU meter or volume unit meter is a device intended for visual presentation of the audio signal. It typically consists of a series of LEDs arranged in horizontal bar graph configuration, wictch light ...