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Portable bluetooth speaker

Hello!

Like many, I make a living at work, but I want something joyful and music helps create the illusion of good. Music is our everything.


At the next exit, a cardboard reel from something unknown was found:

This cardboard was lying around for a long time, because the genes of the Soviet collector did not allow to throw out such an unusual city but.
And then, at the next search for a birthday present for my daughter, I got into a fashion gadget store. In the center on a mega stand was a portable subwoofer. And then it started.

A piece of 19 mm MDF was found in the coffers. Having made a little noise and litter with a hand milling cutter, two plugs with slots for speakers were cut out.

I glued the sidewalls with PUR (polyurethane adhesive), dries for 15-40 minutes, it all depends on freshness. After that I run around the edges with a radius mill.

Then familiar masters making soft furniture. They helped sheathe the future Sub with leatherette. The substrate was made of foam rubber with a thickness of 10 mm.
The 5.25-inch car speakers bought on the market fit the construct well.



In the open spaces, the following modules were bought here:
- bluetooth fm radio module
Portable bluetooth speaker

- Two channel amplifier

At the market were purchased:
- Charging for li-ion batteries

- Boost Converter

I used 18650 batteries with a failed laptop battery.
The power supply was picked out from the usual charging for the phone.
All this was embedded and packed inside the Sab:



All this is controlled from the remote control:


In general, I am satisfied with the result.
Thanks for attention!
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