Rotomotion is a new company formed by Trammell Hudson to provide low-cost inertial measurement units (IMU), attitude and heading reference systems (AHRS), and flight controllers for UAVs and other flying robotics projects. The hardware is based on and compatible with the Open Source software developed by the autopilot UAV project. Rotomotion's 2 DOF, 4 DOF, 5 DOF, and 6 DOF hardware is available in either inexpensive kit form or completely assembled and tested.