Timemore chestnut C2 motorized grinder

video  Timemore diy motorized 3d printed automated coffee grinder - YouTube

Autodesk Fusion 360 assembly (f3z) included.

Stl files and 3mf files included. Or you can generate it from Fusion 360.

DC motor is available also on conrad web

Drive-System Europe DC gearmotor DSMP420-12-0024-BF 12421 12 V DC 5.5 A 1.0 Nm 248 U/min Shaft diameter: 8 mm 1 pc(s) | Conrad.com

11.04.2022 - added pdf with mechanical instructions and electronis scheme. Added 3mf and stl