Thingiverse
Bluetooth Speaker by arabon
by Thingiverse
Last crawled date: 3 years ago
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.
Update 19-12-2017: I've noticed, when playing on high volume (above in the red region of your phone volume) the connection will be lost or the device will shut down. (failsave) I think this has to do with the step up module. The step up module can't keep up stepping up the power for the amplifier board. I'm convinced the device can be much louder! Does anyone have a idea?
Parts you need for the build:
Brass inserts 24 pieceshttps://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 pieceshttps://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 Platehttps://www.aliexpress.com/item/1Pair-Black-78x41mm-Bass-Speaker-Passive-Radiator-Auxiliary-Bass-Rubber-Vibration-Plate/32785907739.html?spm=a2g0s.9042311.0.0.M8oXrZ
m3x10 24 pieceshttps://www.aliexpress.com/item/160PC-Metric-Thread-M3-Stainless-Steel-Hex-Bolt-Kit-304-Cap-Nut-Washer-Set-Screw/32794842281.html?spm=a2g0s.9042311.0.0.EMQ1jk
Electical parts:
Wirehttps://www.aliexpress.com/item/Free-shipping-5M-10M-20M-2-Pin-18-20-22-AWG-Electric-Red-Black-Extension-Wire/32806955753.html?spm=a2g0s.9042311.0.0.pmSp9d
https://www.aliexpress.com/item/100m-UL-1007-28AWG-10-color-Mix-box-package-Electrical-Wire-Cable-Line-Airline-Copper-PCB/32740101895.html?spm=a2g0s.9042311.0.0.pmSp9d
Speaker drivers 2 pieceshttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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!
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.
Update 19-12-2017: I've noticed, when playing on high volume (above in the red region of your phone volume) the connection will be lost or the device will shut down. (failsave) I think this has to do with the step up module. The step up module can't keep up stepping up the power for the amplifier board. I'm convinced the device can be much louder! Does anyone have a idea?
Parts you need for the build:
Brass inserts 24 pieceshttps://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 pieceshttps://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 Platehttps://www.aliexpress.com/item/1Pair-Black-78x41mm-Bass-Speaker-Passive-Radiator-Auxiliary-Bass-Rubber-Vibration-Plate/32785907739.html?spm=a2g0s.9042311.0.0.M8oXrZ
m3x10 24 pieceshttps://www.aliexpress.com/item/160PC-Metric-Thread-M3-Stainless-Steel-Hex-Bolt-Kit-304-Cap-Nut-Washer-Set-Screw/32794842281.html?spm=a2g0s.9042311.0.0.EMQ1jk
Electical parts:
Wirehttps://www.aliexpress.com/item/Free-shipping-5M-10M-20M-2-Pin-18-20-22-AWG-Electric-Red-Black-Extension-Wire/32806955753.html?spm=a2g0s.9042311.0.0.pmSp9d
https://www.aliexpress.com/item/100m-UL-1007-28AWG-10-color-Mix-box-package-Electrical-Wire-Cable-Line-Airline-Copper-PCB/32740101895.html?spm=a2g0s.9042311.0.0.pmSp9d
Speaker drivers 2 pieceshttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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 piecehttps://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!
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