Cheap DIY Bluetooth Speaker!

A cheap bluetooth speaker you can make with super cheap parts!
In the contest Musical Instruments
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updated May 20, 2023

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Hey guys! This is my first design on here, and I'm pretty proud of it! I wanted to make a bluetooth speaker for my mom for mother's day, and after a ton of work (including teaching myself Onshape) this is the finished product! I made it with a ton of stuff I had sitting around, like 18650 cells from an old laptop battery, speakers from an old Apple charging dock/speaker, and a bunch of cheap electronic parts. You should have everything sitting around your house, but I have links below for everything you should need! Everything is pretty simple to put together, but if you have any questions, just ask! There's plenty of space on the inside to put everything so you should have plenty of space on the inside for your batteries and other things, but I will also include STEP files in case you need to change mounting holes, box size, etc. Enjoy!

P.S. unfortunately, some of the parts are no longer sold, but you should be able to find ones that will work, there's plenty of flexibility. Cheers!

 

https://www.amazon.com/eBoot-Pieces-Emitting-Diodes-Assorted/dp/B07T28PCH1/ref=sr_1_29?keywords=led&sr=8-29&th=1

(red LEDs)

https://www.amazon.com/dp/B0B51BFSWZ?ref=ppx_yo2ov_dt_b_product_details&th=1

(m3 assortment)

https://www.amazon.com/dp/B08DNK398S?psc=1&ref=ppx_yo2ov_dt_b_product_details (18650 circuit)

https://www.amazon.com/dp/B09TNK8GD6?psc=1&ref=ppx_yo2ov_dt_b_product_details (heat set inserts)

https://www.amazon.com/gp/product/B0799HC3VY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

(toggle switch)

https://www.amazon.com/DAMGOO-Bluetooth-Amplifier-Password-Wireless/dp/B086GDNR72/ref=sr_1_5?keywords=bluetooth+speaker+driver+board&sr=8-5

(bluetooth speaker board, probably will fit, but I haven't tested, my current one is out of stock)

https://www.amazon.com/Nobsound-Desktop-Full-Range-Speaker-Sensitivity/dp/B07H2TBKM6/ref=sr_1_14?keywords=2.5+inch+speaker+driver&sr=8-14

(these speakers might fit with some modification to the STEP, the page has good measurements)

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