ADXL345 3 Axis Accelerometer - GY-291

 

With this sensor, you can measure angular movements in 3 axes (X-Y-Z) and get output via IIC or SPI line. It is widely used in balance-related projects such as aerial vehicles (Drones, quadcopters, etc.), cameras and smartphones. It can be powered between 3-5V. There are also two pins on the board that you can set to free fall and touch.