Jabra Unveils New Range of Innovative Bluetooth Products for Hands-Free Communication at Mobile World Congress 2011

 BARCELONA, Spain, Feb. 15, 2011 /PRNewswire/ -- Jabra, the world leader in innovative hands-free solutions, will reveal its all-new Bluetooth® range at this year's Mobile World Congress. For the first time, Jabra will publicly showcase the next generation Jabra STONE2 Bluetooth headset, with its innovative design and advanced functionality, plus the all-new Jabra FREEWAY, which is set to revolutionise the speakerphone market. Also on show is Jabra's exciting new portfolio of plug-and-play products optimised for easy hands-free VoIP communication.

The Jabra STONE2 brings a whole new level of usability to Bluetooth headsets, combining features galore with unprecedented style to be the perfect companion for people on the go. Using the same revolutionary design as the hugely successful Jabra STONE, the next generation Jabra STONE2 features a new voice concept that allows for truly hands-free communication, boasting a voice system that cleverly tells users who is calling and allows them to simply say "answer" to take the call or "ignore" to reject it. Voice Guidance makes set-up a breeze and battery status is also announced. Four "comfort-tested" ear-gels ensure a comfortable fit all day long for any user, while the wireless portable charger means users can power-up whenever they need to.

The Jabra FREEWAY is an industry first in the in-car speakerphone market. This all new speakerphone, launching across EMEA and APAC *, features not one or two, but three speakers combined with Virtual Surround Sound, taking audio quality steps ahead of the competition. The dual microphone system reduces background noise to make conversations clearer than ever before and voice control functionality means calls can be answered or rejected easily for full concentration on the road. The Jabra FREEWAY also boasts a built-in Motion Sensor which automatically turns the in-car speakerphone on or off when the car door is open or closed, for ultimate ease of use.    

Also on show at Mobile World Congress will be new Jabra VoIP-optimised headsets. Two new plug-and-play devices join the Jabra EXTREME – FOR PC, providing a full range of multi-use headsets for mobile calls and VoIP calls through laptops, mobile devices, tablets and PCs. The Jabra EASYGO – FOR PC uses a pre-paired USB adaptor that will automatically connect to a PC for seamless internet and mobile calling. The corded Jabra CHILL - FOR PC headset is ideal for music lovers, coming fully equipped with a high-quality microphone for mobile and VoIP calls, with a music control function for tunes on the move.

Bluetooth Module Interfacing with Microcontroller

Bluetooth® wireless technology is becoming a popular standard in the communication arena, and it is one of the fastest growing fields in the wireless technologies. It is  convenient, easy to use and has the bandwidth to meet most of today’s demands for mobile and personal communications. Bluetooth technology handles the wireless part of the communication channel; it transmits and receives data wirelessly between these devices. It delivers the received data and receives the data to be transmitted to and from a host system through a host controller interface (HCI). The most popular host controller interface today is either a UART or a USB .Here,I will only focus on the UART interface, it can be easily show how a Bluetooth module can be integrated on to a host system through a  UART connection and provide the designer an optimal solution for Bluetooth enabled systems.

Here,I will show two examples of  hardware interface between Bluetooth wireless technology and UART.One example shows an interface between an  Bluetooth module and a PC via UART, and the other example shows an interface between a Bluetooth module and a  Microcontroller via UART.

I have a used WT32 bluetooth module.To know more

WT32 BLUETOOTH MODULE

Supply voltage at VCC  pin can vary between 1.8 V and 3.3 V. VCC and BTEN  combined to a single 3.3 V supply voltage.

INTERFACE BETWEEN AN  BLUETOOTH MODULE AND A PC VIA UART

Now connect the PC with Bluetooth module through RS232 over MAX232 or MAX233 level converter.

Bluetooth module Connection with PC

Now,Test  the connection with hyperterminal or any serial port communication software .Here,I have used hyperterminal for test.

HYPERTERMINAL SETTINGS

 

– 9600 baud
– no parity
– 8 databits
– no flowcontrol
– 1 stopbit

You can be change this settings via hyperterminal with WT32 bluetooth module command.See more in user guide.

INTERFACE BETWEEN AN  BLUETOOTH MODULE AND A MICROCONTROLLER VIA UART

Connect the bluetooth module with microcontroller.Here,I have used PIC16F887 microcontroller.

Now,Test the Communication between PC and Microcontroller Device.You can use the following code that is written in C using mikroC PRO for PIC.

SOURCE CODE

char uart_rd;
void main() {
ANSEL  = 0;                     // Configure AN pins as digital
ANSELH = 0;
UART1_Init(9600);               // Initialize UART module at 9600 bps
Delay_ms(100);                  // Wait for UART module to stabilize
while (1) {                     // Endless loop
UART1_Write_Text(“TEST”);
Delay_ms(2000);                  // Wait

}
}

OUTPUT

Now,you can be see the Data “TEST” on Hyperterminal that will send by microcontroller via Bluetooth Module.

Hyperterminal