Bluetooth Controlled Robot Using Android Mobile

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In this project, we will show you how to make a Bluetooth controlled robot in a simple way and low cost.

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Step 1: Bluetooth Controlled Robot Using Android

In this project, we will show you how to make a Bluetooth controlled robot in a simple way and low cost.

Step 2: Required Equipment

1) 1* Arduino UNO

2) 1* HC-05(Bluetooth module)

3) 1* l293D motor driver IC

4) 2* DC Geared motors

5) 2* 9V Batteries with clips

6) 1* Chasis

7) Connecting wires Few

Step 3: L293D Connections

* Connect pin 1, 9, 16 to the 5V of the Arduino these pins are enabled pins.

* Pin 4, 5, 12, 13 are Ground pins these were internally shorted so no need to connect all pins to ground. Connect any one of those pins.

* Connect

Pin 2 ---> Pin 8 of Arduino

Pin 7 ---> Pin 7 of Arduino

Pin 10---> Pin 6 of Arduino

Pin 15---> Pin 5 of Arduino

* Connect Pin 3 & 6 to a geared motor and pin 11 & 14 to the another geared motor.

Step 4: HC-05 Interfacing

Connect the pins of HC-05 to the Arduino UNO

-connect Vcc of HC-05 to the 3.3V of Arduino and GND of HC-05 to the ground of Arduino

-connect Tx of HC-05 to the Rx of Arduino and Rx of HC-05 to the Tx of Arduino

NOTE:-

1) Resistors are not mandatory.

2) Connect Vcc of HC-05 to the 5V pin in case not activated.

Step 5: Total Circuit Connections

Step 6: Fritzing File

Step 7: Arduino Code

Click download to get Aurdino code directly

Step 8: Bluetooth App

Step 9: For Any Other Info.

If you have any doubts comment below we respond within one day.

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    12 Discussions

    None
    aspalladan

    2 months ago on Step 4

    but what if ur hc05 got burnt when there is no resistor

    None
    Raunak Mishra

    4 months ago on Step 7

    Which Arduino board have you used the program is not working with Arduino Uno R3

    None
    zefu

    Question 7 months ago on Step 9

    From where did you give arduino power supply?

    None
    soundarya c j

    Question 7 months ago on Step 9

    i m not able to open the file given . can u please guide through it

    None
    ECE-VSMAmith Chennavar

    Reply 10 months ago

    Code is Arduino file It will open only through Arduino software try it

    None
    efjgergjhg

    10 months ago

    i couldnot open the code

    Cool. I love diy remote control cars. It gets kids actually involved in making their own toys.