HC-05 Bluetooth Wireless Transceiver Module (Without Adapter)
Bare HC-05 module providing Bluetooth 2.0 serial communication without voltage regulator or breakout board. For embedded integration into custom PCBs.
SPECIFICATIONS:
• Bluetooth Version: 2.0 + EDR
• Frequency: 2.4GHz ISM band
• Operating Voltage: 3.3V DC (no regulator)
• Logic Level: 3.3V (direct connection only)
• Default Baud Rate: 9600 (AT configurable)
• Interface: UART (TXD, RXD)
• Roles: Master/Slave configurable
• Range: ~10m
• LED: Onboard status LED
• Dimensions: ~27mm × 13mm
• Pins: VCC, GND, TXD, RXD, EN
FEATURES:
• Compact for embedded PCB designs
• AT command configuration
• No onboard regulator (requires 3.3V)
• Lightweight and low profile
TYPICAL APPLICATIONS:
• Bluetooth-enabled embedded systems
• Custom PCB integration
• Wireless sensor nodes
• Compact robotics projects
⚠️ NOTE: Requires 3.3V power supply. Not compatible with 5V directly.
PACKAGE INCLUDES:
• 1 x HC-05 Bare Module
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