HC-05 HC05 HC06 RF Wireless Bluetooth Transceiver Slave Module

Description

Note: This is the HC-05 Bluetooth module a slave and master two-in-one module.

This module can be set as a transmitter (master) or a receiver (slave). A transmitter can pair with a receiver, but receiver-to-receiver or transmitter-to-transmitter pairs cannot communicate with each other. A receiver can pair with computer and mobile phone Bluetooth. When purchased, the default setting is receiver.

Module Specification:

1. It is HC-05
2. Uses the mainstream CSR Bluetooth chip, Bluetooth V2.0 protocol standard
3. Module working voltage: 3.3V
4. Default baud rate of 9600, user configurable
5. Core module size: 28 mm × 15 mm × 2.35 mm
6. Working current: 30mA during pairing, 8mA during communication
7. Dormancy current: no sleep mode
8. Used for GPS navigation systems, and water, electricity, and gas meter reading systems
9. Seamless connection with computer Bluetooth, Bluetooth adapters, PDAs, and similar equipment

Commercial Series — Bluetooth Module Board Series:

• With LED indicator light, uses a 150mA 3.3V regulator chip
• With VCC, GND, TXD, RXD pins for the Bluetooth module
• With "Re-search" button (the ON/OFF/WAKE pin an external MCU outputting a high level can control the module to re-search)
• Compatible with Bluetooth master module, slave module, or master-slave (whole) module
• Input voltage: 3.3V ~ 6V
• Board size: 1.55 cm × 3.98 cm

Notes:

• Input power supply is 3.3V ~ 6V. Do not exceed 7V.
• There is no automatic reverse polarity protection, so please connect the power supply correctly.
• We advise installing the Bluetooth master module.
• The "State" pin is an output for LED status. When Bluetooth is unconnected it outputs a pulse; when connected it outputs a high level, so the state can be determined from the MCU.
• This is the board only without the Bluetooth module fitted, it has no Bluetooth function.