This 7-position I/O Circular Connector has a keyed mating alignment and threaded coupling mating retention. It has quick connect/disconnect capability with thread assist.
Waterproof ultrasonic distance sensor. This sensor can be used for collision detection in your project.
The MGS1600GY is a sensor capable of detecting and reporting the position of a magnetic field (typically magnetic tape on the floor) along its horizontal axis. Includes a built in Gyro. Replaces MGS1600 TS-072-000