HC-06 Bluetooth Module – 4 Pins

27.00

HM-06 is a Bluetooth module designed for establishing short range wireless data communication between two microcontrollers or systems. The module works on Bluetooth 2.0 communication protocol, and it can only act as a slave device. This is cheapest method for wireless data transmission and more flexible compared to other methods and it even can transmit files at speed up to 2.1Mb/s.

HC-06 uses frequency hopping spread spectrum technique (FHSS) to avoid interference with other devices and to have full duplex transmission. The device works on the frequency range from 2.402 GHz to 2.480GHz.

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Description

Pin configuration

This HC-06 module has four pins as shown in the pinout. Some HC-06 versions have 6 pins. However, we only need to use four for successfully interfacing the module. Thus, this version only has the needed four output pins.

Pin Name Function
1 Vcc +5V Positive supply needs to be given to this pin for powering the module.
2 Gnd Connect to ground.
3 TXD Serial data is transmitted by module through this pin (at 9600bps by default), 3.3V logic.
4 RXD Serial data is received by module through this pin (at 9600bps by default),3.3V logic.

HC-06 Features and Electrical characteristics

  • Bluetooth protocol: Bluetooth V2.0 protocol standard
  • Power Level: Class2 (+6dBm)
  • Band: 2.40GHz—2.48GHz, ISM Band
  • Receiver sensitivity: -85dBm
  • USB protocol: USB v1.1/2.0
  • Modulation mode: Gauss frequency Shift Keying
  • Safety feature: Authentication and encryption
  • Operating voltage range: +3.3V to +6V
  • Operating temperature range: -20ºC to +55ºC
  • Operating Current: 40mA

Applications

  • Hobby projects
  • Engineering applications
  • Robotics
  • Mobile Phone Accessories
  • Servers
  • Computer Peripherals
  • Sports and Leisure Equipment
  • USB Dongles

Documentation