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Tilt your smartphone to control your own Robot. Here is a simple project to control your Robot/Robo Car using Bluetooth Module HC-05 & 89c2051 Microcontroller with your Android Smartphone device. In this project the accelerometer of your android Smartphone is used to detect the tilt movement angle of Smartphone, just tilt your mobile Forward, Backward, Left and Right to control the direction of Robot.

You can download Circuit & HEX File here http://www.hobbyprojects.com/bluetooth-device-control/

App Instructions:

1. First make sure your HC-05 Bluetooth Module is paired with your mobile. The default password for pairing is "1234" or "0000". Check the manual of Bluetooth module.

2. Click on "SELECT DEVICE" icon to select paired Bluetooth module.

3. When you tilt mobile "FORWARD" it sends the data "A" to Bluetooth Module connected with the circuit. When Microcontroller detects "A" the Robot / Robot Car moves FORWARD.

4. When you tilt mobile "BACKWARD" it sends the data "B" to Bluetooth Module connected with the circuit. When Microcontroller detects "B" the Robot / Robot Car moves REVERSE.

5. When you tilt mobile "LEFT" it sends the data "C" to Bluetooth Module connected with the  circuit. When Microcontroller detects "C" the Robot / Robot Car turns LEFT.

6. When you tilt mobile "RIGHT" it sends the data "D" to Bluetooth Module connected with the  circuit. When Microcontroller detects "D" the Robot / Robot Car turns RIGHT.

7. When the mobile phone is not tilted in any direction (screen upward position),  it sends the data "E" to Bluetooth Module connected with the  circuit. When Microcontroller detects "E" the Robot / Robot Car gets STOPPED. You can also stop the robot by pressing STOP button which is in the center of remote.

Bluetooth Robot Car Controller

Bluetooth Robot Car Controller legújabb verziója