These heavy duty 8 inch (203mm) aluminum mecanum wheels allow your robot to easily move laterally, diagonally, or spin in a circle. This set includes four wheels. These use ball bearings for smooth operation and high load capacity.
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.