DIY Bluetooth Speaker With Colour-Changing Bulb – Fun & Creative Project

This project is a mix of audio and lighting. You can build a Bluetooth speaker that also has a colour-changing LED bulb, giving cool visual effects while playing music. It’s easy, low-cost, and great for beginners.

Materials Needed

• Bluetooth amplifier module

• Small speaker

• RGB colour-changing LED or bulb

• 3–5V power supply or power bank

• Arduino / RGB controller (optional)

• Switch

• Wires & soldering tools

• Cardboard or plastic box

• Hot glue gun

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Steps to Make the Speaker

1. Build the Speaker Box
   Use cardboard or plastic to make a small enclosure.

2. Install the Speaker
   Fix the speaker and connect it to the amplifier module.

3. Add Bluetooth Module
   Connect power and speaker wires.

4. Install Colour-Changing LED
   Place the RGB LED on the front or top.
   Connect it to a controller or simple resistor depending on LED type.

5. Add Switches
   One for speaker, one for LED (optional).

6. Test Your Project
   Pair Bluetooth and enjoy music with colourful lighting effects.

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Why This Project Is Amazing

• Attractive lighting + music

• Great for room decoration

• Good learning project

• Easy to build with basic electronics

 

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