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High-Speed Robo Soccer Robot – Fully Compatible with RoboConnect App

Introduction

Robo soccer is one of the most exciting robotics competitions, blending speed, precision, and intelligent control. In this project, we will build a high-speed Robo Soccer Robot, fully compatible with the RoboConnect Android App, allowing smooth control through Bluetooth.
This guide is designed for students, beginners, and competition teams who want a complete, plug-and-play solution to start dominating robo soccer matches.

This tutorial covers everything—components, wiring, programming, setup, and troubleshooting—to help you build your own agile and competition-ready soccer robot.

Robo Soccer Robot – Full Demonstration & Control Using RoboConnect App

Components Required

Below is the complete list of components you need to build your Robo Soccer robot:

  • Arduino Uno / Arduino Nano

  • 2 × BTS7960 (for higher power)

  • 4 ×   37GB 12 Gear motor (400/ 500) RPM

  • Bluetooth Module (HC-05 / HC-06)

  • LM 2596 DC – DC Step down module (for input voltage to 5V)

  • Lithium Polymer Battery (11.1 V – 14.8 V recommended)

  • Robot Chassis (Metal)

  • High-Grip Wheels

  • Jumper Wires

  • Switch

  • Screw set & mounts

Circuit Diagram

Arduino + Motor Driver + Bluetooth Wiring Diagram

Download Circuit Diagram
Download Circuit Diagram

Source Code

RoboConnect Compatible Arduino Code.

Download Source Code

Project Steps

Follow these steps to build your Robo Soccer Robot:

Step 1: Assemble the Chassis

  • Fix the motors onto the base.

  • Attach the wheels firmly.

  • Mount the battery in the center for balance.

  • Place Arduino and motor driver on top.

Step 2: Motor Driver Wiring

  • Connect motor wires to the motor outputs on the driver.

  • Connect IN1, IN2, IN3, IN4 from motor driver to Arduino digital pins.

  • Power the driver using the Li-Po battery.

Step 3: Bluetooth Module Setup

  • Connect HC-05:

    • VCC → 5V

    • GND → GND

    • TX → Arduino RX

    • RX → Arduino TX

Make sure the baud rate matches 9600 (or the rate required by RoboConnect).

Step 4: Upload Arduino Code

Upload the provided RoboConnect compatible code to your Arduino board.

Step 5: Configure RoboConnect App

  • Open the app

  • Pair with your Bluetooth module

  • Select Robo Soccer mode

  • Test the joystick controls

Step 6: Final Assembly & Testing

  • Test forward, backward, left, and right movements.

  • Make sure the robot moves straight and responds instantly.

How It Works

The RoboConnect app sends directional commands via Bluetooth to the robot.
Arduino processes these commands and adjusts the motor speed and direction using the motor driver.

  • Joystick movement → Bluetooth signal → Arduino → Motor Speed Output → Robot Motion

This allows smooth and real-time control during matches.

Troubleshooting

If your robot is not working properly, check the following:

1. Robot not connecting?

  • Recheck Bluetooth wiring

  • Ensure correct pairing PIN (usually 1234 or 0000)

  • Restart the app

2. Robot not moving straight?

  • Both motors must be identical

  • Check wheel alignment

  • Adjust PWM values in code

3. Motor not running?

  • Battery might be low

  • L298N jumper (5V enable) may be missing

  • Motor driver may be overheated

4. App control delays?

  • Check Bluetooth module distance

  • Ensure no obstructions

  • Reduce background apps on your phone

Project Complexity

Level: Beginner to Intermediate
Requires basic soldering, wiring, and Arduino coding knowledge. Perfect for competitions such as:

  • Robo Soccer

  • TechFest Robotics

  • University Tournaments

  • School/College Robotics Fairs

Conclusion

Building a Robo Soccer Robot with RoboConnect app control is an exciting and rewarding project. This guide provides all the steps you need to assemble, program, and operate your robot successfully. With a little practice, you will be ready to take part in tournaments and dominate the field with speed and precision.

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