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.
A Prebuilt Enclosed wheeled robot platform. Equipped with an enclosed aluminum weather resistant chassis, four 42mm gear motors, custom 27x PTZ camera system, and fully assembled, ready to run. Perfect for indoor and/or outdoor surveillance or inspection.