Description
Product Description
The Original HC-02 is a high-performance Bluetooth 2.0+EDR (Enhanced Data Rate) serial port module designed for ultra-stable wireless data transmission. While it belongs to the same family as the classic HC-05 and HC-06, the HC-02 is engineered for enhanced compatibility and lower power consumption, making it an ideal choice for both legacy and modern hardware.
This module acts as a “Transparent Serial Bridge.” Once paired with a Master device (such as an Android smartphone, tablet, or PC), it functions exactly like a physical serial cable. Data sent to the module’s RX pin is wirelessly transmitted to the paired device instantly. The HC-02 is specifically optimized for Slave Mode operation, providing a “set-and-forget” solution for developers who need a reliable, high-speed connection without the complexity of master-role switching.
Key Features
- Original Industrial Chipset: Uses genuine silicon for superior frequency stability and anti-interference performance compared to generic clones.
- Transparent Transmission: No complex Bluetooth protocol knowledge is required; simply send standard serial data (TTL) and it is transmitted wirelessly.
- High Compatibility: Specifically designed to work seamlessly with a wide range of Android versions, Windows, and Linux-based systems.
- Wide Voltage Support: The onboard 6-pin breakout board includes a 3.3V LDO regulator, allowing the module to be powered by 3.6V to 6.0V DC.
- Low Power Design: Optimized standby and operating currents make it suitable for battery-powered IoT applications and portable handheld devices.
- Onboard Status LED: Provides immediate visual diagnostics: flashing indicates searching/pairing mode, while a steady or double-flash indicates a successful connection.
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