How to Make a Wireless Bluetooth Speaker at Home (Low Cost DIY)

In this project, we will learn how to make a budget-friendly wireless Bluetooth speaker at home using just a few easily available components. This DIY speaker is perfect for beginners and delivers a good sound output while being affordable and simple to build.

Components Required

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Circuit Diagram

• The Bluetooth module’s audio output is connected to the audio amplifier board.

• The amplifier board is connected to the 3W speaker.

• The battery powers both the Bluetooth module and the amplifier board.

• You can also add a battery charging module if you want rechargeable support.

Step-by-Step Instructions

• Prepare the Speaker Body
  
  Cut a small cardboard box and make holes for the speaker and charging port.

• Mount the Speaker
  
  Fix the 3W speaker securely inside the box.

• Connect the Amplifier Board
  
  Attach the speaker wires to the output terminals of the amplifier board.

• Connect the Bluetooth Module
  
  Connect the module’s audio output pins to the input pins of the amplifier board.

• Power Supply Connection
  
  Attach the 3.7V battery to the module and amplifier (use a charging board if needed).

• Final Assembly
  
  Place all components inside the box neatly and close the enclosure.

How to Use

• Turn on the Bluetooth speaker.

• Enable Bluetooth on your smartphone.

• Search for the module name and pair it.

• Play music wirelessly and enjoy!

Conclusion

Making your own wireless Bluetooth speaker at home is simple, affordable, and fun. With just a few electronic components and a cardboard box, you can create a working speaker that provides clear and enjoyable sound. This DIY project is perfect for beginners, students, and hobby creators.