LED Circuits

How To Make Music Reactive LED Chaser Light Circuit

In this article I will show you How To Make Music Reactive LED Chaser Light Circuit. In this circuit we will use LM3915N IC, Resistors, Capacitors and some Supporting Components. This circuit is very simple and you can also easily make this Circuit .I will show you the complete process of making this circuit step by step.

Table Of Content

  • Circuit Diagram
  • Required Components
  • Tools Required
  • Demo Video

Circuit Diagram

Required Components

  • LM 3914 IC – 1
  • BC547 Transistor – 10
  • Resistor -33k
  • Resistor- 1.5k
  • Audio Jack
  • LED – 60
  • Battery 3.7v

Tools Required

  • Soldering Iron
  • Soldering Flux
  • Soldering Wire
  • IC Holding Stand
  • Side Cutter

Demo Video

How To Make LED Music Reactive LED Chaser Light Circuit

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One thought on “How To Make Music Reactive LED Chaser Light Circuit

  1. the transistor from the video is bc557 and the one in your parts list is bc547. the difference is pnp and npn type. it will only work with the 557 and now i need to reorder different transistor

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