This hardware package comes with the Trekker Chassis. It is all the hardware needed to put the chassis together and mount a OOPic-II and OOPic II Expansion board or equivelent. For a list of the items follow this link.
This is a bundle of hardware used to mount OOPics, MD22s, Magnevation's, etc to the ATR and vectoring robots.
This is a bidirectional level shifter used to step down or up signals from 1.8V to 5V range.
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