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Boombastic - portable old school music player

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3D model description

I've bought mp3 player 4 years ago and finally got idea to using it. It has 4.2 volt supply and stereo 3W output. Additional ordered speakers and bluetooth module from Ali. Added soviet analog level meters M467 with logarithmator on Attiny13.
Parallel 18650 battery charges by TP4056. Also used 10 cm telescopic antenna.

Mp3 player (sold out)
You can try buy same on Alibaba

Bluetooth module

3W speakers

18650 holder

Boxes glued together, covers glued after soldering wires and connections. Battery cover attaches by round magnets (4x1 mm) which glued in angles.

  • 3D file format: STL





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