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Introduction to Bluetooth Technology: Connecting Devices Wirelessly

Learn about the basics, functions, and benefits of Bluetooth technology named after King Harald Blatand. Discover how Bluetooth enables short-range communication, networking, and data exchange between electronic devices, providing a secure and efficient connection without cables. Explore the specifications, protocols, and various applications of Bluetooth in different fields.

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Introduction to Bluetooth Technology: Connecting Devices Wirelessly

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  1. BLUETOOTH

  2. INTRODUCTION TO BLUETOOTH • Named after tenth-century danish King Harald Blatand. • Developed by Special Interest Group (SIG). • Bluetooth wireless technology is a short range communication system intended to replace cables connecting portable or fixed electronic devices. • It provides the way to connect and exchange information between devices like PCs,Laptops,Digital cameras,Mobile phones,etc.

  3. BLUETOOTH BASIC FUNCTION • Bluetooth networking transmits data via low power radio waves. • It operates in ISM band at 2.4 GHz (Exactly between 2.402GHz to 2.480 GHz). • It can operate in noisy frequency environments as it uses a fast acknowledgement & frequency hopping scheme to make the link robust. • Bluetooth devices avoid interfering with other systems by sending weak signals of about 1mW. • It can connect upto 8 devices simultaneously.

  4. When the devices are connected then they form a network called Personal Area network or Piconet.

  5. BLUETOOTH SPECIFICATION PROTOCOL STACK

  6. BENEFITS OF BLUETOOTH TECHNOLOGY • It’s a wireless technology • Globally available,easy to use and has secure connection. It reduces interference. • It consumes low power and its data rate is upto 3Mbps supported for version 2.0+EDR. • Its operating range is 10 meters(can be increased or decreased) which is most commonly found in mobile devices

  7. APPLICATION OF BLUETOOTH • Wireless networking can be done. • Bluetooth peripherals like printers, mice and keyboards,cell phones,remote controls,hearing aids,play station,etc.. • Medical applications. • Bluetooth car kit are also available. • Certain data logging equipment transmits data to a computer via bluetooth.

  8. Reference • www.help2engg.com

  9. Thank You

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