HC-05 Bluetooth Module

About this product

Serial Bluetooth 2.0+EDR module for wiring wireless UART communication into microcontroller projects. Master/slave switchable, AT command configurable. Suited for phone-to-Arduino control, wireless data logging, and short-range robotics communication.

Ultrasonic, IR, temperature, humidity, motion, current, camera and RF sensor modules - plus relay, logic-level and breakout boards for prototyping and production.

Need a datasheet, a substitute, or bulk pricing? Mention it in your quote request and we'll reply with options.

Specifications

Bluetooth Version

2.0 + EDR

Operating Voltage

3.6-6V (5V typical), 3.3V logic level

Operating Current

~30mA (paired), <1mA (standby)

Range

~10m (Class 2)

Interface

UART (TTL), default 9600 baud

Modes

Master, Slave, or Master/Slave switchable