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Details about  Arduino Bluetooth Module Slave Wireless Serial Board x3

Arduino Bluetooth Module Slave Wireless Serial Board x3 See original listing
Arduino-Bluetooth-Module-Slave-Wireless-Serial-Board-x3
Item Ended
Item condition:
New
Ended:
12 Jul, 2012 10:04:54 BST
Price:
£20.99
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Item location:
Shenzhen, China

Description

eBay item number:
300605700226
Seller assumes all responsibility for this listing.
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Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
 

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Arduino Bluetooth Module Slave Wireless Serial Board x3

Features:

1) Wireless serial bluetooth port.

2) With free power adapter bottom board come with well power regulator.

User can connect 3.3 to 5VDC and connect TX and RX to your control IO (general 3.3 to 5V digital input output of MCU or arduino IO is ok, or general TLL IO)

3) Easy to connect this module with PC, just search and key "1234" passcode.

4) With white SMD LED on the adapter board, can see the Bluetooth connection status.

 

Step to connect:

1) Connect the wiring, power up, while the device is not connected, the bluetooth module board has a white LED flashing

2) At PC side, search bluetooth device.

3) Found name called "LINVOR" device

4) Connect it, and passcode is "1234"

5) While connection is ok, you can see the LED become always on.

6) Enjoy

 

Basically, user can only use 2 to 5 pin in most of the application

PIN NAME FUNCTION
1 KEY For configuration use (normally not connected)
2 VCC 3.3 to 5V input
3 GND Ground
4 TXD TX transmit pin
5 RXD RX receive pin
6 STATE  Connection status

Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it

simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc.

Computer and peripheral devices
GPS receiver
Industrial control

MCU projects
Default serail port setting :  9600, N, 8, 1

Pairing code : 1234
Running in slave role: Pair with BT dongle and master module

Usage
Coupled Mode: Two modules will establish communication automatically when powered. 
PC hosted mode: Pair the module with bluetooth dongle directly as virtual serial.

Bluetooth protocal :  Bluetooth Specification v2.0+EDR
Frequency :  2.4GHz ISM band
Modulation :  GFSK(Gaussian Frequency Shift Keying)
Emission power :  <=4dBm, Class 2
Sensitivity :  <=-84dBm at 0.1% BER
Speed : Asynchronous:  2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Security :  Authentication and encryption
Profiles :  Bluetooth serial port

CSR chip : Bluetooth v2.0
Wave band : 2.4GHz-2.8GHz, ISM Band
Protocol : Bluetooth V2.0
Power Class : (+6dbm)
Reception sensitivity: -85dBm
Voltage : 3.3 (2.7V-4.2V)
Current : Paring - 35mA, Connected - 8mA
Temperature : -40~ +105 Degrees Celsius
User defined Baud rate :  4800, 9600, 19200, 38400, 57600, 115200, 230400,460800,921600 ,1382400.
Dimension : 26.9mm*13mm*2.2mm

Pin definition :

  • PIO8 connects with LED cathodea with 470ohm series resistor in between. LED NEGATIVE connects to ground. It is used

to indicate the module state. After powered on, flashing intervals differ in different states.

  • PIO9 is used to control LED indicating paring. It will be steady on when paring is successful.
  • PIO11, module state switching pin. HIGH -> response to AT command; LOW or floating -> regular work status.
  • With build-in reset circuit, reset is completed automatically after powered on.
  • Steps to set to MASTER:
  • Set PIO11 HIGH with a 10K resistor in between.
  • Power on, module comes into AT Command Response Status
  • Open HyperTerminal or other serial tool, set the baud rate 38400, 8 data bits, 1 stop bit, no parity bit, no Flow

Control

  • Via serial port, send characters "AT + ROLE = 1 r n",if successful, return "OK r n", where r n is carriage return.
  • Set PIO11 LOW, re-power, then in Master state, automatically search for slave module and connect.



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