this post was submitted on 23 Feb 2025
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I Made This

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Work in progress - Bluetooth speakers (sh.itjust.works)
submitted 15 hours ago* (last edited 15 hours ago) by MacAnus@sh.itjust.works to c/imadethis@lemm.ee
8 comments fedilink hide all child comments
 

Today I jumped back on this project that has been on pause for about a year :)
Turning cheap defective desktop speakers into a set of wireless Bluetooth stereo speakers.
Got the idea from this video from DiyPerks.

I'm trying to recycle as much as I can:
Desktop speakers were defective and given to me by family,
Bluetooth receivers are from old earbuds,
Batteries come from and old powerbank,
Charging module from old vapes (still need to figure out a few things about them, not sure I'll end up using those).
The only thing I bought so far are amps for the audio output tu the speakers.

Any input or advice is welcome :)

I'll keep you updated with more details if anyone is interested

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[–] Landless2029@lemmy.world 1 points 9 hours ago (1 children)

Major props for upcycling this project!!

My first thought from the thumbnail was "Dude should use a few 18650s for power" but upcycle is better!!

[–] MacAnus@sh.itjust.works 1 points 4 hours ago

Thanks! I kind of became my friends' and family's recycling center ^^
I'm accumulating a lot of stuff but that gives me the opportunity to tinker without feeling too bad if I end up messing up :)

[–] ToastyBones@thelemmy.club 4 points 15 hours ago (1 children)

That's really cool!

I did a similar project using and old guitar amp and a raspberry pi with a touchscreen!

[–] MacAnus@sh.itjust.works 2 points 12 hours ago

Thank you, and cool! Do you mind me asking about your wiring?
I actually also started trying to hook up a small bluetooth speaker's innards to a guitar amp but I'm getting crazy noise when trying to play music through it...
I wasn't sure where to connect the audio outputs and the power supply so I'm interested in seeing how you went about with that :)

[–] 474D@lemmy.world 2 points 13 hours ago

I thought these were huge for some reason until I saw the battery lol

[–] Eheran@lemmy.world 1 points 14 hours ago (3 children)

The speakers were defective? How can you still use them then? Are they active ones?

[–] MacAnus@sh.itjust.works 3 points 12 hours ago

Yeah sorry that wasn't very clear: the only thing wrong with them was the cable used to connect them to a computer.
Now that I think of it there might have been a little amp board in the volume selector switch that was on said cable.

[–] Gerudo@lemm.ee 1 points 13 hours ago

I'd assume the electronics failed. The speaker itself is probably fine.