Bluetooth World

World Electronics

About this app

Bluetooth World – Control Microcontrollers with Your Phone
Turn your Android device into a powerful remote controller for Bluetooth-enabled microcontrollers (ESP32, HC-05, and more). Control lights, fans, relays, timers, robots, and more — all wirelessly over Bluetooth Classic!

✨ Main Features
🔍 Bluetooth Scanner – Find and connect to nearby microcontroller devices instantly.
🔁 Auto-Reconnect – Remembers your last connected device for quick pairing.
🌈 RGB Controller – Quick color buttons for instant LED control + function/design effect buttons. RGB spectrum wheel for custom colors, sliders for brightness and speed control.
⏱ Digital Clock & Timer –
* Schedule ON/OFF actions by time and day.
* Direct time/date setting buttons with auto-sync from phone’s current time.
* Supports 12-hour and 24-hour formats.
🔢 Token Display – Manage queues or counters easily.
🔣 Keypad Mode – Send numeric and special codes for triggering custom actions.
⚡ Switch Control – Simple ON/OFF toggles for relays or digital outputs.
🖥 Terminal Mode – Send raw commands and view live responses with timestamps.
🎮 Remote Controller – Joystick-style control for robots, cars, and more.
🎙 Voice Commands / Mic – Control devices with simple voice inputs.

📌 How It Works
1. Turn on Bluetooth on your Android phone.
2. Power your microcontroller device and enable pairing mode.
3. Open Bluetooth World to scan and connect.
4. Choose a control mode and start sending commands instantly!

🎯 Where You Can Use It
* RGB LED strips and decorative lighting
* Home automation for lights, fans, and appliances
* Robotics & RC projects
* Queue/token management systems
* DIY IoT experiments

💡 Why Choose Bluetooth World?
* Works completely offline
* Optimized for microcontrollers (ESP32, HC-05, and others)
* Simple, clean, and modular UI
* Save up to 20 custom commands for quick access
* Expandable design – future features like OTA updates, GSM, BLE for iOS, and cloud control are coming soon

🔐 Permissions & Privacy
* Bluetooth & Location – Required for device scanning and connection.
* Microphone – Used only for voice commands (optional).
* We do not store or share any personal data.

What’s new

Initial release of Bluetooth World⚡️ 🎉