DIY LEGO Powered Up adapter cable - works with SBrick and Power Functions! - YouTube
Amazon.com: 844Pcs Pins-Gears-Axles Set Compatible with Lego-Technic-Parts, Latest differentials Chain Link Connector Joints Tank Track Car-Wheels-Tires Shock-Absorber Steering Shaft : Toys & Games
Adapter & extension cables by PV-Productions for LEGO Powered Up - Power Functions - YouTube
Power Functions motors presentation
Power Functions motors presentation
Lego® Technic 32054 Connector Pin with Friction and Stop Bush (light bluish gray)