This bracket will hold 1 to 4 photo reflectors for sensors. Black and white contrast on the floor will be read by the sensors which will tell the OOPic or other microcontroller how to maneuver the robot. Hardware is included to mount the bracket to the Trekker Chassis.
The InvenSense MPU-6050 sensor contains an accelerometer and a gyroscope in a single chip. It is very accurate, this sensor is used in self balancing robots, drones, smartphones, etc. The sensor uses the I2C-bus to interface with microcontroller.