Turntable for display / photography / 3D scanning using 28byj-48 stepper motor

I designed this turntable for my son, as he wanted to display his toys and just play around with it. It could also be used for photography, preferably for products or as a 3D scanner. Although I've not used it for the latter.

I made everything to fit snug, so the Nano housing was snug but may vary for others as I used a clone. Before I printed the whole turntable off, I tested with smaller prints, to ensure they fit. I've included .Step files so you can mod the file or cut up the model for test print purposes. If you do not want to do that yourself, I'd be happy to upload. my test prints - which were for the Nano housing, usb module and bearing fittings. For the potentiometer I made the fitting tight, so I would not have to use the lock nut and the pot knob would seat close to the body.

The filament used for the turntable was eSun White PETG, which worked great. My original thought was to remove the LEDs from the motor driver board, as they shine through the top of the table, due to the colour not being saturated. I may reprint with eSun PLA+, as that's a solid colour.

Electronics;

Arduino Nano (clone -I used an Elegoo module)

28byj-48 stepper motor and ULN2003 module, for motor speed control

10K potentiometer

USB type B module (as for my son, I thought this would be more sturdy and less prone to fall out)

Wago connectors

(three of) 6x17x6 bearings

M3 brass inserts (although not necessary)

Can be printed in PLA or PETG but I'll list the specs I used below.

I'll upload the code at a later date if needed.

It would be cool to see your print's if you build this yourself. Thanks

EDIT: I added some Arduino code which I used for this project. There are more eloquent ways to do the same thing, which include calculations and delays but this will get the circuit working fine. It may have to be tuned accordingly, due to varying gear ratio's of motors.

Print Settings

Printer Brand:

Creality

Printer:

Rafts:

No

Supports:

Resolution:

200

Infill:

Filament: eSun PETG White

Category: Camera