Convert Your Headphones To Bluetooth Headphones

Turn your headphones into bluetooth headphones with Bluetooth Box. via instructables

I love what my headphones, but a few weeks ago, my friend bought a new bluetooth headset, I intend to switch to bluetooth headphones. But I do not want to throw away the love of my headphones, so I got the idea make a small box, which I can turn my headphones into a Bluetooth headset.
This project shows how to convert all wired headphones or speakers to the headset or bluetooth wireless speakers with the ability to work at least 6 hours on full charge and being able to recharge without any complications.. It is open hardware project: BluetoothBox

Before we get started we are going to need a little bit of motivation, take a look at these pictures and realize what you will be making.

This project could be complete by anyone, just a little electronic skills, you can make yourself a unique BluetoothBox. It only takes 3 days to complete the design and to share this project to you, and I hope this project can help you a lot.

I love bluetooth, short range hi-tech radio that can transmit all sorts of data. Bluetooth headsets are AWESOME because you can listen to music, game, or call your friends with no cord hanging around. You can connect this box to any bluetooth enabled device such as a tablet, computer, or almost any phone. There is NO DONGLE NECESSARY, and it only costs about 15$.

Here is what you need to make your BlutoothBox:


Laser cut machine (Better that you should send the file to a laser shop for laser cutting machine). If you have a 3D printer, it will not have any big problems anymore. You can easily design a case for themselves at your disposal without calculating thickness of acrylic sheets. Unfortunately I do not have a 3D printer, it will come in the future :))
Hook Knife Cutter PCB Copper
PCB drill
3mm Screws Hexagon and Screwdriver

Wire cutters

30-40W soldering iron with small tip

Iron ruler

USB charger


Wired headphones or speakers (of course)
PCB sheet: size 4 inches square or larger
200mA Li-ion rechargeable battery: 1pcs
TP4056 Li-lon Battery Charger IC: 1pcs

0805 SMD Blue Led :4pcs
0805 SMD Red Led :1pcs
0603 SMD 10KOhm resistor: 7pcs
0603 SMD 5KOhm resistor: 1pcs
0603 SMD 0.5Ohm resistor: 1pcs
0603 SMD 1KOhm resistor: 6pcs
0603 SMD 4.7uF capacitor: 3pcs
0603 SMD 100nF capacitor: 1pcs
0805 SMD 10uF capacitor: 2pcs
2N3906 SMD transistor: 1pcs
3.5mm SMD Female Stereo Audio Jack connector: 1pcs

2 pin SMD button: 1pcs

BLK BC-05B Bluetooth module: 1pcs

PAM8403 audio amplifier (Red board): 1pcs

5-way tactile switch: 1pcs

Micro USB SMD Female connector: 1pcs

Thin wires: about 10 inch

5mm acrylic sheet (with any color you like)

3mm acrylic sheet (with any color you like)

2mm acrylic sheet :black

2mm acrylic sheet : white opaque

Full tutorial

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