HC-05 4pin Bluetooth Module
The HC-05 4-Pin Wireless Serial Bluetooth Module is a versatile Bluetooth solution compatible with any microcontroller. Using the UART protocol, it enables seamless wireless data transmission and reception.
This module can function as both a Master and a Slave device, allowing it to operate as a transmitter or receiver. This dual functionality makes it ideal for connecting to a wide range of devices, including smartphones, computers, keyboards, and other HC-05 modules. To connect with multiple slave devices, however, a master module is required.
Overall, the HC-05 Bluetooth Module offers a flexible and reliable solution for establishing Bluetooth connections in various applications, providing convenience and versatility for wireless communication.
Pin Description:
SN | PIN | Description |
1 | RXD | Receive Serial Data. Every serial data given to this pin will be broadcasted via Bluetooth |
2 | TXD | Transmits Serial Data. Everything received via Bluetooth will be given out by this pin as serial data. |
3 | VCC | Powers the module. Connect to +5V Supply voltage |
4 | GND | Ground pin of module, connect to system ground. |
5 | LED | Indicates the status of Module Blink once in 2 sec: Module has entered Command Mode Repeated Blinking: Waiting for connection in Data Mode Blink twice in 1 sec: Connection successful in Data Mode |
HC-05 Default Settings:
- Default Bluetooth Name: “HC-05”
- Default Password: 1234 or 0000
- Default Communication: Slave
- Default Mode: Data Mode
- Data Mode Baud Rate: 9600, 8, N, 1
- Command Mode Baud Rate: 38400, 8, N, 1
Applications:
- Embedded Projects.
- Industrial Applications.
- Computer and Portable Devices.
- GPS receiver.
Features:
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
Specification:
Maximum Operating Range (m) | 10 |
---|---|
Operating Frequency | 2.4GHz ISM band |
Modulation | GFSK (Gaussian Frequency Shift Keying) |
Emission power | 4dBm, Class 2 |
Sensitivity | -84dBm at 0.1% BER |
Operating Temperature (℃) | -20 ~ +75 |
Length (mm) | 43 |
Width (mm) | 16.5 |
Height (mm) | 7 |
Weight (gm) | 5 |
Shipping Weight | 0.01 kg |
Shipping Dimensions | 4 × 4 × 1 cm |
PACKAGE INCLUDES
1 X HC-05 4pin Bluetooth Module(Master+Slave) No Button
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