The IoT enabled projects require two way communication between the microcontroller and various sensors. There are various methods you can do that, Wired Communication, WiFi, Bluetooth are some among them. The HC-05 Bluetooth Module adds wireless communication to your project to communicate via Bluetooth to any Bluetooth enabled Laptop or Mobile Device. The module communicates at 9600 baud rate via USART protocol. It can be used in applications like communication between two microcontrollers, data logging, wireless robots, wireless sensors data acquisition and home automation.

Explore our full range of Bluetooth Modules for wireless communication, IoT projects, and microcontroller integration. 

Specifications

• Profiles: Bluetooth serial port Profile
• Dimension: 26.9mm x 13mm x 2.2 mm
• Bluetooth protocol: Bluetooth Specification v2.0+EDR
• Frequency: 2.4GHz ISM band, Range
• Modulation: GFSK (Gaussian Frequency Shift Keying)
• Sensitivity: -84dBm at 0.1% BER
• Speed: Asynchronous: 2.1Mbps_max / 160 kbps, Synchronous: 1Mbps/1Mbps
• Emission power: 4dBm, Class 2
• Power supply: +3.3V, 50mA
• Security: Authentication and encryption
• Working temperature: -20°C to +75°C

Product Description

The module has two operating modes Data mode and Command Mode. To connect it with your Arduino or Raspberry Pi connect the TX and RX pins to the controller and power the device with VCC pin connected to 5V pin.  While in data mode it can send or receive the data from other Bluetooth devices and in command mode it will change default device settings.

Related Bluetooth Modules:

• HC-08 Bluetooth 4.0 BLE Serial Port Module 
• HC-05 Bluetooth Module 
• HC-06 Bluetooth Module 
• HC-42 Bluetooth 5.0 BLE Serial Port Module
• HM-10 / AT-09 Bluetooth 4.0 BLE Module 

 

Applications

• Industrial Applications
• GPS receiver
• Computer and portable Devices
• Embedded Projects

 

Package Contents

1×HC-05 Bluetooth Module