A music-reactive LED circuit is a simple electronic circuit that responds to varying sound levels, usually, of the rhythmic melody from nearby playing music & displays the changing intensity level of the sound signal in … Read more
sound reactive led
Introduction: A volume level or audio level meter is a common hand-held device that is designed to measure the levels of volume in a systematized way. It is commonly used for acoustic measurements and as … Read more
Volume Level Indicator Using Transistor
Introduction In electronics, LEDs are fun to work with. We can make several projects using those LEDs. By definition, an LED (full light-emitting diode) is a semiconductor device that, when charged with an electric current, … Read more