180 rotating Bluetooth speaker
thingiverse
I Made this speaker to enjoy a good music while swimming. The power comes from a cheap bluetooth amplifier board from sanwu (mine is blue without aux in):http://www.banggood.com/TDA7492P-Bluetooth-CSR4_0-Audio-Receiver-Digital-Amplifier-Board-p-1067571.html The board is cheap but the sound is really impressive, it´ll be hard to find something better for this price. I´m also using a 3.5 full range speakers and 3 x 18650 batteries with a protection board:http://www.banggood.com/10A-Charger-Protection-Board-For-18650-Li-ion-lithium-Battery-Cell-p-1065140.html In my tests, I used for more than 8 hours without a charge. To assemble the rotation mechanism you´ll need a m8x35, 3 x m8 washers and 1 M8 self locking nut for each side. I would reccomend to print using 100% infill to reduce vibration. +- 260 grams of filament to print the entire box. Print Settings Printer Brand: RepRap Printer: Kossel mini Rafts: No Supports: No Resolution: 0.2 Infill: 100%
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