Description
Product Description
The HC-05 (Compatible Type-C) is a professional-grade Bluetooth 2.0+EDR (Enhanced Data Rate) wireless serial pass-through module. While standard Bluetooth modules are often restricted to “Slave” mode, the HC-05 is a Master/Slave dual-role module. This allows it to either act as a peripheral waiting for a connection or as a central controller that proactively searches for and connects to other Bluetooth devices.
The Type-C Compatible version is a refined hardware revision optimized for high-speed switching between data transmission and configuration. It features an integrated physical button that allows users to manually trigger AT Command Mode without complex software resets. Mounted on a 6-pin breakout board with a built-in power regulator and status LED, it provides a stable, long-range wireless bridge for Arduino, Raspberry Pi, and industrial PLC systems.
Key Features
- Full Master/Slave Capability: Easily switch roles via AT commands to create peer-to-peer connections between two modules or connect to smartphones and PCs.
- Hardware Configuration Button: A dedicated tactile switch simplifies the setup of device names, pairing codes (PINs), and baud rates by forcing the module into AT mode.
- Transparent Serial Data: Once paired, the module acts as a “wireless serial cable,” transferring data exactly as it is received with no additional overhead.
- Wide Voltage Input: The onboard LDO regulator supports a wide power range from 3.6V to 6.0V, making it compatible with both battery and USB power sources.
- Enhanced Connectivity: Uses GFSK modulation with 2.4GHz ISM band technology, providing stable communication even in environments with multiple wireless signals.
- Status Indicators: The onboard LED provides clear visual cues for pairing status (fast flash), configuration mode (slow flash), and established connection (double flash).
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