![]() The motors are small but extremely powerful for their size. ![]() Servo motorĪ servo motor is used for kicking the ball in this project. It can communicate with other Bluetooth-enabled devices such as mobile phones, handheld computers and laptops. The Bluetooth module used in this project is JY MCU BT, which can be connected to any device via built-in UART interface. The android app for this project sends these x,y,z values to the robot via Bluetooth. When the phone is rotated in different directions, x,y,z values of accelerometer sensor change. Its another common use is in controlling games and other applications (such as music player) by moving or shaking the phone. The accelerometer can detect whether the phone is upright or sideways, and automatically rotate the graphics on the screen accordingly. ![]() It can also detect rotation and motion gestures such as swinging, shaking and flicking. A phone with an accelerometer can detect the angle it is being held at. All new smartphones contain an accelerometer sensor.
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