About this 3D model

Rechargeable electric display turntable with lithium battery Physical display and installation tutorial address, Bilibili: https://b23.tv/DIoCcqK Material list: 1: 200 speed reduction motor (3-6V) * 1 PWM DC motor speed controller (1.8-15V) * 1 18650 lithium battery (1 or 2 sections are both available) Battery slot (can be omitted, directly fixed with hot melt glue, but battery welding is a bit difficult and requires skilled techniques) Lithium battery charging module (1 section and 2 sections need different modules, one section module costs one yuan, two section modules cost four yuan, don't buy the wrong one) Forward and reverse boat-shaped switch (3-speed 6-leg, it is recommended to buy a semi-finished product with wires connected directly, otherwise the wiring is slightly troublesome) 5.5-inch universal wheel * 1 Several wires M3*20 screw * 8 M2*5 screw * 4