Dual Marble Run with Motor (USB)
Description
https://youtu.be/KdN2LnDNyfE Dual marble run with a 5V motor that can be powered by USB. For assembly, the screw holes for the motor cover need to be tapped for the 4-40 screws. All parts were designed in Fusion 360, and links to the original part files are below. Parts used: 3/8" ball bearings (11x) https://www.amazon.com/gp/product/B007B2AG3G/ref=ppx_yo_dt_b_asin_title_o05__o00_s00?ie=UTF8&psc=1 5V motor with gearbox (1x) https://www.amazon.com/gp/product/B074QQB95G/ref=ppx_yo_dt_b_asin_title_o02__o00_s00?ie=UTF8&psc=1 6' USB cable (1x) https://www.digikey.com/product-detail/en/qualtek/3021011-06/Q366-ND/1531293 Hardware: 4-40 x 1/2" long socket head cap (2x) 8-32 x 3/4" long socket head cap (1x) 8-32 hex nut (1x) Links to part files in Fusion 360: track (includes motor cover): https://a360.co/2DBjXbk feed plate: https://a360.co/2Uke4oB feed gear: https://a360.co/2UlEl64 motor gear: https://a360.co/2DzMIoP
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