🔵 HM-10 Bluetooth 4.0 Low Energy (BLE) Module 🔵
The HM-10 is a wireless communication module based on Bluetooth 4.0 BLE technology, designed for reliable and energy-efficient data transfer between microcontrollers (Arduino, ESP32, etc.) and smart devices (Android & iOS). It supports AT command programming and is widely used in IoT, remote control, and smart sensing applications.
✅ Specifications:
- Main Chip: TI CC2541 (Bluetooth 4.0 BLE).
- Version: Bluetooth V4.0 BLE.
- Interface: UART (Serial, TTL).
- Operating Voltage: 3.3V – 6V
- Logic Level: 3.3V (directly Arduino compatible).
- Default Baud Rate: 9600bps (configurable).
- Range: Up to 50 meters (open space).
- Power Consumption: Ultra-low (ideal for battery-powered devices).
- Modes: Master / Slave (default Slave).
- AT commands for configuration (name, baud rate, role).
- Module Size: ~27 × 13 × 2 mm.
- Approximate Weight: 3 g.
🔹 Key Features:
✔ BLE-based design – energy-efficient for mobile devices.
✔ Compatible with most smartphones (Android & iOS).
✔ Easy AT command configuration.
✔ Supports both Master and Slave roles.
✔ Ideal for IoT and remote control projects.
✔ Compact and lightweight design.
📌 Common Applications:
- IoT and smart connectivity projects.
- Wireless control for robots and vehicles.
- Connecting Arduino/ESP32 with smartphones via BLE.
- Low-power wireless sensor networks.
- Prototyping hardware with Android/iOS apps.
