Bluetooth Speaker
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I always wanted to have a bluetooth speaker. I thought, why not design and build one. So here it is.
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I always wanted to have a bluetooth speaker. I thought, why not design and build one. So here it is.
This bluetooth speaker contains two rechargeable 18650 battery's, so you have lots of listening fun without plugging it in your walloutlet. The front, back and body need support. I printed these parts with PLA and 0.2mm with 15% infill. The seal rings (you need two of them) have i printed with ninjafex.
I have heated up the brass knurls with a soldering iron. They slide right in the sockets. Be sure they are straight.
Print instructions
Rafts:
No
Supports:
Yes (only front plate)
Resolution:
0.2
Infill:
15%
Parts you need for the build:
Brass inserts 24 pieces
https://www.aliexpress.com/item/100Pcs-M3x5mm-L-5mm-OD-Metric-Threaded-Brass-Knurl-Round-Insert-Nuts-LXM/32693221350.html?spm=a2g0s.9042311.0.0.CsvCxE
LED base holder 3 pieces
https://www.aliexpress.com/item/Hot-Sale-10pcs-3MM-Round-Chrome-Metal-LED-Light-Lamp-Emitting-Diode-Bezel-Lamp-Base-Holder/32808747894.html?spm=a2g0s.9042311.0.0.CsvCxE
1Pair Black 78x41mm Bass Speaker Passive Radiator Auxiliary Bass Rubber Vibration Plate
https://www.aliexpress.com/item/1Pair-Black-78x41mm-Bass-Speaker-Passive-Radiator-Auxiliary-Bass-Rubber-Vibration-Plate/32785907739.html?spm=a2g0s.9042311.0.0.M8oXrZ
Electical parts:
Speaker drivers 2 pieces
https://www.aliexpress.com/item/2pcs-40mm-5W-10W-Full-frequency-bass-Bluetooth-wifi-Speaker-neodymium-hifi-free-shipping/32579541437.html?spm=a2g0s.9042311.0.0.pmSp9d
Amplifier board 1 piece
https://www.aliexpress.com/item/DC-5V-3-7V-6W-6W-Stereo-Bluetooth-Receiver-Amplifier-Board-Lithium-Battery-Powered-For-Speakers/32807976635.html?spm=a2g0s.9042311.0.0.kBgoBF
Power switch 5V 1 piece
https://www.aliexpress.com/item/5V-12V-220V-Latching-push-button-switch-locked-16mm-flat-head-fixed-Push-Button-waterproof-LED/32789351190.html?spm=a2g0s.9042311.0.0.CsvCxE
Bluetooth/charging and charging ready 3mm LED 3 pieces (blue, red, green)
https://www.aliexpress.com/item/New-Arrival-300pcs-Five-Colors-3mm-Round-Bright-Light-LED-Diode-Lamp-Assortment-kit-Red-Convenient/32725226668.html?spm=a2g0s.9042311.0.0.CsvCxE
Battery case holder 1 piece
https://www.aliexpress.com/item/EDT-2-piece-battery-storage-box-case-holder-for-2-x-18650-parallel-lithium-batteries/32716650716.html?spm=a2g0s.9042311.0.0.5KfgS2
LM2587 DC-DC Boost Converter 3-30V to 4-35V Step up Module 1 piece
https://www.aliexpress.com/item/LM2587-DC-DC-Boost-Converter-3-30V-to-4-35V-Step-up-Power-Supply-Module-5A/32612862664.html?spm=a2g0s.9042311.0.0.5KfgS2
5V 1A Micro USB 18650 Lithium Battery Charger 1 piece
https://www.aliexpress.com/item/20Pcs-lot-5V-1A-Micro-USB-18650-Lithium-Battery-Charging-Board-Charger-Module-Protection-Dual-Functions/32469596060.html?spm=a2g0s.9042311.0.0.5KfgS2
Power Socket DC Block 2-Pin Wire With Nut 5.5X2.1 1 piece
https://www.aliexpress.com/item/Quality-Copper-DC-022B-DC-Power-Socket-DC-Block-2-Pin-Wire-With-Nut-5-5X2/32762835561.html?spm=a2g0s.9042311.0.0.dgxm8s
5V 2A Power Supply EU plug AC 100V-240V Converter Adapter 1 piece
https://www.aliexpress.com/item/5V-2A-Power-Supply-EU-plug-AC-100V-240V-Converter-Adapter/1059369926.html?spm=a2g0s.9042311.0.0.M8oXrZ
18650 rechargeable battery 2 pieces and some rubber feet
Good luck building!