RS232 10 foot serial extension cable. DB9 Connectors. 1 side male, 1 side female. This is just an extension cable, no level shifting, etc. 28AWG.
RS232 6 foot extension cable. DB9 Male to Female. 28AWG.
This is a ROS programmable autonomous SLAM robot prebuilt kit that can be controlled via Gamepad. The MarvelMind IPS (Indoor Positioning System) provides indoor navigation. ODROID-XU4 SBC provides the most flexible platform possible.
This is powerful wheelchair motor. They make great heavy-duty robot motors. 250W 120RPM motors with 17mm keyed shaft output. They are sold individually and have an electric brake mounted on the back.