HC-05 4pin Bluetooth Module (Master+Slave) No Button

Please note: Due to iOS not supporting the Bluetooth SPP profile, this is not supported on iPhone and iPad.

BLUETOOTH MODULE HC-05  (4 pin)
To Arduino, Raspberry and other microcontrollers

Overview

HC-05 module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup.
Serial port Bluetooth module is fully qualified Bluetooth V2.0 + EDR (Enhanced Data Rate) 3Mbps Modulation With complete 2.4GHz Radio transceiver and baseband. It uses CSR Bluecore-04 External single chip CMOS Bluetooth System with technology and With AFH (Adaptive Frequency Hopping Feature). It has the footprint as small as 12.7mmx27mm. Hope it will simplify your overall design / development cycle.

Specifications, Hardware Features

    Typical -80dBm sensitivity
    Up to + 4dBm RF transmit power
    1.8V Low Power Operation, 1.8 to 3.6VI / O
    PIO Control
    With UART interface programmable baud rate
    With integrated antenna
    With edge connector
    software Features
    Default Baud rate: 38400, Data bits: 8 Stop bit: 1 Parity: No parity, data control: you.
    Supported baud rate: 9600,19200,38400,57600,115200,230400,460800.
    Given a rising press in PIO0, device will be disconnected.
    Status instruction port PIO1: low-disconnected, high-connected;
    PIO10 and PIO11 can be connected to red and blue led separately. When master and slave
    are paired, red and blue led blinks 1time / 2s in interval, while disconnected only blue led blinks 2times / s.
    Auto-connect to the last device on power as default.
    Permit device to connect pairing as default.
    Auto-pairing PINCODE: "0000" as default
    Auto-reconnect in 30 min When a result of disconnected as beyond the range of connection.
    Hardware