- It is a Bluetooth module that is used to connect to smartphones. Allows smartphones to communicate with microcontrollers (Arduino) via Serial port module HC05.

- Can be applied to make a car or control robot It can be controlled via the Arduino Bludetooth JoyStick app. It provides easy data transmission and code.

Arduino Bluetooth JoyStick
1. Arrow keys
can control various directions according to the needs of users
2. Analog button
There are analog buttons to use with both X-axis and Y-axis for full control of the device.
3. There is a control system according to the movement (Jyro Sensor).
Can control the robot through the phone. left-right-top-bottom
4. There are 3 modes to choose from.