Thingiverse

Universal DIY 12V Amplifier Module (+Battery Pack)

by philiperrendesign

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This is an universal DIY 12V Battery Pack. With the additional Bluetooth Amplifier board screwed on top, it becomes a great, very compact technical package for a speaker built. (You'll just need pair of speakers)

It is made out of 3 18650 Batteries which are connected in Series. The special thing about this Design is, that you can just exchange the Batteries when they lose their capacity or when they are broken. This wouldn’t be possible with soldered Batteries.

The Bluetooth Amplifier I am using here is the TECNOIOT YDA138 Bluetooth Amplifier Board Module 2.0 Stereo Class D 2 * 15W DC 12V 2A

You have to print 3 Parts:

- Cover_Amplifier_SLA_FDM.stl
- Main_Body_SLA_FDM.stl
- Lower_Shell_SLA.stl or Lower_Shell_FDM.stl
(depends if you have an SLA or FDM Printer)

What you'll need:

- TECNOIOT YDA138 Bluetooth Amplifier Board Module 2.0 Stereo Class D 2 * 15W DC 12V 2A
- 1x ILS 3S 20A Li-ion Lithium Battery 18650 Charger Piece B BMS Protection Board 12.6V Cell (availabl

12v 12vdc 18650 18650 battery 18650 case amplifier bluetooth Bluetooth amp bluetooth amplifier bluetooth module bluetooth speaker contact diy electronics electronics enclosure sound amplifier speaker Speakers spring spring contacts 12v 12vdc 18650 18650 battery 18650 case amplifier bluetooth Bluetooth amp bluetooth amplifier bluetooth module bluetooth speaker contact diy electronics electronics enclosure sound amplifier speaker Speakers spring spring contacts

Source

Thingiverse

What you need to print this: Intermediate Low confidence

Why?

3-part assembly

Supports 1/3

Assembly 1/3

Settings 1/3

Bed size 0/3

Post-process 0/3

Printer

FDM / FFF

File format

STL

Material

Software

Cura, PrusaSlicer, or similar

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Universal DIY 12V Amplifier Module (+Battery Pack)

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