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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Bluetooth Serial Module |
| Model | HC-05 |
| Bluetooth Version | Bluetooth V2.0 (Classic) |
| Bluetooth Chip | CSR mainstream chipset |
| Operating Voltage | 3.3V (input range 3.3V–6V) |
| Input Voltage Warning | Do not exceed 7V |
| Default Baud Rate | 9600 bps (configurable) |
| Working Current | ~30mA (pairing), ~8mA (communication) |
| Sleep Current | No sleep mode (no dormancy) |
| Module Size | 28mm × 15mm × 2.35mm |
| Interface Pins | VCC, GND, TXD, RXD |
| Control Pins | STATE (status output), KEY / EN (re-search / AT mode control) |
| LED Indicator | Yes (connection status indicator) |
| Operating Modes | Master / Slave / Master-Slave configurable |
| Communication Type | Serial UART transparent transmission |
| Reset / Reconnect Feature | External MCU can trigger re-search via KEY pin |
| Connection Status Output | LOW/Pulse when unconnected, HIGH when connected |
| Compatible Devices | PCs with Bluetooth adapter, PDA, embedded MCU systems |
| Applications | GPS systems, smart meters (water/electricity/gas), robotics, serial wireless communication |
| Key Features | Stable classic Bluetooth communication, easy UART integration, configurable master/slave mode |
Package Includes:
1 pc x HC05 Bluetooth Module
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