HC-05 Wireless Bluetooth Serial Port Module

RM25.00

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SKU: MYP-JHS-291 Categories: ,
Description

It is used for many applications like wireless headsets, game controllers, wireless mice, wireless keyboards, and many more consumer applications. It has a range of up to <100m which depends upon the transmitter and receiver, atmosphere, geographic & urban conditions. It is an IEEE 802.15.1 standardized protocol, through which one can build a wireless Personal Area Network (PAN). It uses frequency-hopping spread spectrum (FHSS) radio technology to send data over the air. It uses serial communication to communicate with devices. It communicates with a microcontroller using a serial port (USART).

HC-05 module Information

  • HC-05 has a red LED which indicates the connection status, whether the Bluetooth is connected or not. Before connecting to the HC-05 module this red LED blinks continuously in a periodic manner. When it gets connected to any other Bluetooth device, its blinking slows down to two seconds.
  • This module works on 3.3V. We can connect 5V supply voltage as well since the module has on board a 5 to 3.3 V regulator.
  • As the HC-05 Bluetooth module has a 3.3V level for RX/TX and the microcontroller can detect a 3.3 V level, so, no need to shift the transmit level of the HC-05 module. However, we need to shift the transmit voltage level from the microcontroller to the RX of the HC-05 module.
  • The data transfer rate of the HC-05 module can vary up to 1Mbps in the range of 10 meters.

 

HC-05 Bluetooth Module interface with Arduino

 

SPECIFICATIONS

  1. Bluetooth version: 2.0 + EDR (Enhanced Data Rate)
  2. Frequency: 2.4 GHz ISM band
  3. Modulation: GFSK (Gaussian Frequency Shift Keying)
  4. Transmit power: Class 2 (up to 4 dBm)
  5. Sensitivity: -80 dBm typical
  6. Range: approximately 10 meters (or 33 feet) in open air
  7. Profiles supported: SPP (Serial Port Profile), HID (Human Interface Device) and others
  8. Operating voltage: 3.3V to 5V DC
  9. Operating current: less than 50mA
  10. Standby current: less than 2.5mA
  11. Sleep current: less than 1mA
  12. Interface: UART (Universal Asynchronous Receiver/Transmitter)
  13. Baud rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, and 460800
  14. Operating temperature: -20°C to 75°C (-4°F to 167°F)

DOCUMENTATIONS

SHIPPING LIST

  • 1 x Bluetooth HC-05 Module
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