LineX Bot Controller

A custom React Native Android application built to remotely control an Arduino-powered line-following robot via Bluetooth Classic (HC-05 module).

Features

• Bluetooth Connection: Auto-scans and connects to HC-05 paired devices.
• Dual Control Interfaces:
  • Classic Portrait D-Pad controls.
  • Landscape Virtual Joystick for precise 360-degree analog control.
• Robot Modes: Toggle instantly between Manual (Bluetooth) and Auto (Line Follower) modes via the app.
• Speed Control: Remote 3-tier speed adjustment (Slow/Medium/Fast).
• Voice Commands: Tap the mic to move forward, reverse, or spin via speech recognition.

Tech Stack

• Framework: React Native CLI (TypeScript)
• Bluetooth: react-native-bluetooth-classic (RFCOMM Serial)
• Voice: @react-native-voice/voice
• Hardware required: Arduino Uno/Nano, HC-05 Module, L298N Motor Driver, 3x IR Sensors.

Quick Start

1. Power on the robot and pair your Android phone to the HC-05 module in system settings (PIN: 1234).
2. Download and install the latest app-release.apk onto your phone.
3. Open the app, select HC-05, and start driving!

(For developers: To build from source, run npm install followed by npx react-native run-android)