Cool DIY speaker made from trash

Such a simple and portable speaker can be assembled with your own hands from scrap materials, unnecessary spare parts and a couple of products with Aliexpress.
It is enough to have straight arms and a little perseverance.

To assemble this column we will need:
1. A sheet of plywood board.
2. MP-3, FM, AUX module with remote control.
3. 18650 Battery Charge Controller.
4. 18650 batteries from an old laptop.
5. Speakers from a faulty TV at 8 Ohm and 4 W.


From a plywood board we cut out parts of approximately the following sizes:

The next step is to attach the battery charging module and batteries to the future speaker body using a glue gun.
The connection diagram can be seen below.

We screw the columns as shown in the figure.

Module connection diagram.

We assemble the remaining parts of the body.


It turned out something like this.
Assembly videos and sound tests can be viewed below in the video instructions.

Watch the video

Source