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BLUESMIRF SILVER BY MICHAEL SANCHEZ AND HECTOR REYNA

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OVERVIEW What is Bluetooth and how does it work? How to configure and use Sparkfun BlueSMiRF.

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BLUETOOTH It is an standardized secured wireless communication protocol. Utilizes 2.4 GHz frequency

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HOW DOES IT WORK? Bluetooth networks = piconects Piconects are composed of: 1. Single master 2. Multiple slaves

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HOW DOES IT WORK? Bluetooth devices all have a unique address, which is usually presented as a 12 digit hexadecimal value. Number is shown has the MAC NO.

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HOW TO CONNECT? 1. Inquiry: An exchange of address. 2. Paging: Initialization of connection. 3. Connection: They can be in four different modes. 4. Paired Devices

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BLUETOOTH PROFILES Bluetooth profiles build upon the foundation of the standard protocol. These profiles are defined by what is the device being used for.

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BLUETOOTH PROFILES Serial Port Profile (SSP) Human Interface Device (HID) Hands-Free Profile (HFP) Advance Audio Distribution Profile(A2DP) A/V Remote Control Profile(AVRCP)

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SERIAL PORT PROFILE

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SPARKFUN BLUESMIRF SILVER CTS-I VCC GND TX-0 RX-I RTS-O

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BLUESMIRF SILVER CTS-I: Clear to send TX-O: Serial transmit RX-I: Serial receive RTS-O: Request to send

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BLUESMIRF SILVER The silver version uses RN-42. Which means that it uses less power and can transmit/receive up to 10 meters. The maximum operating voltage used is 3.3 volts. Since it has a 3.3 volt regulator you can supply up to 6 volts.

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BLUESMIRF SILVER

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THINGS TO KNOW There are two mode of operation: 1. Command mode 2. Data mode Command mode: device name, baud rate, PIN code and data rate. Data mode: transmits and receives data.

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DIFFERENT MODES

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STEPS TO CONFIGURE THE PERIPHERAL 1. Download Tera Term. http://en.sourceforge.jp/projects/ttssh2/releases/ 2. Establish a connection between the Module and PC. 3. Open and configure Tera Term.

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TERA TERM

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TERA TERM DEFAULT SETTING

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DEFAULT SETTING OF BLUESMIRF SILVER

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LIST OF COMMANDS TO CONFIGURE BLUESMIRF $$$ - Enter command mode CMD - Successfully entered command mode (return) AOK - Valid command (return) ERR - Invalid command (return) ? - unrecognized command (return) h - full list of commands x - summary of the modules current configuration --- - return to data mode

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BLUESMIRF SETTINGS

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MESSAGE RECEIVED VIA BLUESMIRF

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POWER MANAGEMENT

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QUESTIONS