DIY Bluetooth Speaker

In this project, I’m going to guide you through building your very own DIY Bluetooth speaker, together we will end up with a sleek, functional piece of audio tech. Whether you want it for your room, desk, or outdoor spaces.

Parts

2x M3 Hex Bolts

2x M3 Hex Nuts

6x M4 Allen Bolts

6x M4 Hex Nuts

1x 12mm Latching Momentary switch

2x Full Range Drivers

1x 4.5V Battery Holder

3x 1.5V Battery AA

Bluetooth Module Options

Option 1 Bluetooth module (with wires) (try find something similar)(3V-5V)

Option 2 Bluetooth Module (use case 2)

1x Styrofoam Double Sided Tape (Something to mount the Batteries) Highly recommended

Equipment

Soldering Iron (with solder)

3D printer (with filament)

The first step is to make a Case to contain the parts

Here are the download files:

Ensure you download the right file depending on whether you chose and add supports

Option 1 Bluetooth module (DIY Speaker box.stl) or Option 2 Bluetooth Module (DIY Speaker box number 2.stl)

Speakers

Wire the Bluetooth Module wires to the 2 Speakers

Momentary Latching Switch/4.5V Battery Holder

Step 1: Solder 1 of the Bluetooth Module wires to the Momentary Latching Switch

Step 2: Solder the other Bluetooth Module wires to the 4.5V Battery Holder

Now you should have 1 4.5V Battery Holder wire left over and 3 complete Bluetooth Module wires

Assembly

Step 1: Place the Speakers and use 6x M4 Allen Bolts and 6x M4 Hex Nuts to attach them in place

Step 2: Now you can add the 4.5V Battery Holder (with batteries) and the Momentary Latching Switch.

Step 3: Now Solder the last wire to the Momentary Latching Switch

Step 4: Attach the Bluetooth Module to either the wall or the centre compartment

Step 5: Put Styrofoam Double Sided Tape on the 4.5V Battery Wire and attach it on the wall

Bluetooth Module 1

Step 6: Attach the speaker wires to the white slot and the battery/switch wire to the red slot

Bluetooth Module 2

Step 6: Attach the Left Speaker wire to the LOUT (Left Output), the Right Speaker wire to the ROUT (Right Output) and the battery/switch wire to the DC50 slot. (Im not sure the what difference ROUT and LOUT have)

Step 7: Close the top and now enjoy your very own DIY Bluetooth Speaker