Transmit music using light

Here we convert music to varying light intensity and then transmit it wirelessly using an LED

Elton V

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Description

Inspired by the idea of LiFi. I tried to find a way to transmit music through light. The light can be transmitted for a few centimeters but the distance can be increased using high power LEDs and an amplifier.

Details

Demonstration:

Build Instructions

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1
Step 1
Parts required:
- 9V Battery
- Alligator wires
- Leds
- Solar cell (Preferably above 2V)
- 3.5mm audio jack
- Mono speaker
2

Step 2

The transmitter is shown below:
3

Step 3

The circuit diagram is shown below: