LED Music Portable

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Introduction: LED Music Portable

All you need:

- LEDs or LED strip.
- Transistor TIP31.
- 3.5mm Stereo Jack Plug.
- 12V adapter.
- Plexiglass.
- Universal Circuit Board.

About the circuit:

The Right or Left (you choose which one) channel from 3.5mm Stereo Jack Plug is connected to the Base of the transistor. The Ground of 3.5mm Stereo Jack Plug is connected to the Emitter. The negative battery (12V adapter) lead (-) is connected to the Emitter too. The Cathode (-) of the LED is connected to the Collector of the transistor. The Anode (+) of the LED is connected to the positive battery (12V adapter) lead.

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