Our friends at Cross the Road Electronics (CTRE) have developed a variety of cool sensors and control system components that will make your robot smarter and easier to control than ever!
 

• The CANcoder is the next evolution in the line of CTRE magnetic encoder products. As its name implies, this product is a rotary magnetic encoder that communicates over the CAN bus.
• Gadgeteer Pigeon IMU provides a fast-acting and reliable inertial measurement sensor to your robot so that your sense of direction is always on point