HC05-BLUETOOTH-MOD
PACKAGE INCLUDES:
- 1 × HC-05 6-Pin Bluetooth Module with AT Mode Button
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Description
MINIMUM TECH FEATURES:
- Bluetooth Protocol: Bluetooth Specification v2.0 + EDR (Enhanced Data Rate)
- Frequency Band: 2.4 GHz ISM Band
- Modulation Technique: GFSK (Gaussian Frequency Shift Keying)
- Transmission Power: 4 dBm (Class 2 Device)
- Receiver Sensitivity: –84 dBm @ 0.1% BER
- Data Rate: Up to 3 Mbps
- Communication Interface: UART (TX, RX)
- Range: Up to 10 meters (typical, line of sight)
- Operating Voltage: 3.6 V to 6 V DC (with onboard regulator)
DESCRIPTION:
- The HC-05 Bluetooth Module is a serial communication device that enables wireless data transmission between microcontrollers or embedded systems and Bluetooth-enabled devices.
- Operates on Bluetooth v2.0 + EDR, ensuring reliable and fast data communication.
- Communicates through the UART interface, making it compatible with most development boards like Arduino, ESP32, ESP8266, STM32, Raspberry Pi, and others.
- Includes an onboard button for entering AT command mode, allowing configuration of module parameters such as name, baud rate, and pairing password.
- Supports both Master and Slave modes, enabling flexible wireless networking.
- Typical operating range is 10 meters, depending on environmental interference and antenna quality.
- Compact, low-power design makes it suitable for a wide variety of IoT, robotics, and wireless automation projects.
TECHNICAL SPECIFICATIONS:
| Parameter | Specification |
| Module Type | HC Series Bluetooth Module |
| Bluetooth Version | v2.0 + EDR |
| Frequency | 2.4 GHz ISM Band |
| Modulation | GFSK |
| Transmission Power | 4 dBm (Class 2) |
| Sensitivity | –84 dBm @ 0.1% BER |
| Operating Voltage | 3.6 V – 6 V DC |
| Input Current | 50 mA (typical) |
| Communication Interface | UART (TX, RX) |
| Baud Rate | Default 9600 bps (Configurable via AT Commands) |
| Operating Range | Up to 10 m |
| Operating Temperature | –20 °C to +75 °C |
| Dimensions | 43 × 16.5 × 7 mm |
| Weight | 5 g |
| Switch/Button | Yes (AT Mode) |
APPLICATIONS:
- Wireless Serial Communication
- Remote Control Systems
- Bluetooth Data Logging
- Wireless Data Transfer between Devices
- Smart Gadgets and Wearables
- Educational and Research Projects
- IoT (Internet of Things) Applications
- Robotics and Vehicle Automation
- Wireless User Interface Systems
- Home Automation Systems
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