ROKR Marble motor unit

This is a motor unit for ROKR wooden marble.
https://youtu.be/iJtVcLB2SFE

• Simple design which is not require raft or supports during 3D printing process
• Powered by USB
• Motor speed can be adjusted with the potentiometer
• Installation without screws, just plug in the wooden structure

Electronic components required:

- 1x 6.8k resistor (6.8R)
https://fr.aliexpress.com/item/1005001627995396.html?spm=a2g0o.productlist.main.1.9b7f2af5uCrliv&algo_pvid=a71559de-2d8e-492a-9a38-a3a2e667a271&algo_exp_id=a71559de-2d8e-492a-9a38-a3a2e667a271-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000016885313362%22%7D&pdp_npi=3%40dis%21CHF%210.45%210.39%21%21%21%21%21%40212279a216787381318508660d0704%2112000016885313362%21sea%21CH%21117499764&curPageLogUid=nzfY1nruUBfW

- 1x 10k potentiometer
https://fr.aliexpress.com/item/32850060071.html?spm=a2g0s.9042311.0.0.27426c37SsvhCF

- 1x Knob for potentiometer
https://fr.aliexpress.com/item/32839020321.html?spm=a2g0s.9042311.0.0.27426c37SsvhCF

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