Bluetooth Module(HC-05)
Product Code: CBT001Bluetooth Module(HC-05).It uses serial communication to communicate with devices. It communicates with microcontroller using serial port (USART). HC-05 Bluetooth Module.
HC-05 Bluetooth Module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. Its communication is via serial communication which makes an easy way to interface with controller or PC. HC-05 Bluetooth module provides switching mode between master and slave mode which means it able to use neither receiving nor transmitting data.
Specification of HC-05 Bluetooth Module
- Bluetooth version: 2.0 + EDR (Enhanced Data Rate)
- Frequency: 2.4 GHz ISM band
- Modulation: GFSK (Gaussian Frequency Shift Keying)
- Transmit power: Class 2 (up to 4 dBm)
- Sensitivity: -80 dBm typical
- Range: approximately 10 meters (or 33 feet) in open air
- Profiles supported: SPP (Serial Port Profile), HID (Human Interface Device) and others
- Operating voltage: 3.3V to 5V DC
- Operating current: less than 50mA
- Standby current: less than 2.5mA
- Sleep current: less than 1mA
- Interface: UART (Universal Asynchronous Receiver/Transmitter)
- Baud rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, and 460800
- Operating temperature: -20°C to 75°C (-4°F to 167°F)
[ You can visit this article for more information which may be helpful for you.
https://www.electronicwings.com/sensors-modules/bluetooth-module-hc-05-]
Pin Configuration
Pin Number | Pin Name | Description |
1 | Enable / Key | This pin is used to toggle between Data Mode (set low) and AT command mode (set high). By default it is in Data mode |
2 | Vcc | Powers the module. Connect to +5V Supply voltage |
3 | Ground | Ground pin of module, connect to system ground. |
4 | TX – Transmitter | Transmits Serial Data. Everything received via Bluetooth will be given out by this pin as serial data. |
5 | RX – Receiver | Receive Serial Data. Every serial data given to this pin will be broadcasted via Bluetooth |
6 | State | The state pin is connected to on board LED, it can be used as a feedback to check if Bluetooth is working properly. |
7 | LED | Indicates the status of Module
|
8 | Button | Used to control the Key/Enable pin to toggle between Data and command 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
Default firmware: LINVOR
HC-05 Technical Specifications
- Serial Bluetooth module for Arduino and other microcontrollers
- Operating Voltage: 4V to 6V (Typically +5V)
- Operating Current: 30mA
- Range: <100m
- Works with Serial communication (USART) and TTL compatible
- Follows IEEE 802.15.1 standardized protocol
- Uses Frequency-Hopping Spread spectrum (FHSS)
- Can operate in Master, Slave or Master/Slave mode
- Can be easily interfaced with Laptop or Mobile phones with Bluetooth
- Supported baud rate: 9600,19200,38400,57600,115200,230400,460800.
[ You can visit this article for more information which may be helpful for you.
https://www.electronicwings.com/sensors-modules/bluetooth-module-hc-05-]
Watch this video it will give you a clear idea about this product.
Documentation