HELMET tracking system (HTS)

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HELMET tracking system (HTS). Group 8 Andrés F. Suárez (EE) Brian Maldonado (EE) Rígel Jiménez (EE). Motivation. HTS. Goals and Objectives. Adding electrical components to the helmet without significantly increasing the weight.
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HELMET tracking system(HTS)Group 8Andrés F. Suárez (EE)Brian Maldonado (EE)Rígel Jiménez (EE)MotivationHTSGoals and Objectives
  • Adding electrical components to the helmet without significantly increasing the weight.
  • Keeping the helmet as spacious as it was originally, even though it will now havethe electronic components.
  • Being able to synchronize the helmet to a cell phone.
  • Implementing an accelerometer to the helmet.
  • The system will be able to send text messages.
  • SpecificationsHelmet Tracking System (HTS)Bluetooth ModuleRN-52 Bluetooth Audio Module
  • Wireless communication used to connect the HTS system to a cell phone (Supports iAP profile)
  • Bluetooth 3.0
  • class 2 Audio Module
  • UART console interfaces
  • Operation range: 10 meters (33 feet)
  • Supplied voltage: 3.0 ~ 3.6 V DC
  • Dimensions: 26.0 x 13.5 x 2.7 mm
  • Frequency band: 2.4 ~ 2.48 GHz
  • Maximum Data Rate: 3Mbps
  • Embedded Stack Profiles: A2DP, AVRCP
  • Built-in Antenna
  • Price: $ 24.95
  • RN-52APPLICATIONS
  • High-quality, 2-channel audio streaming.
  • Wireless stereo headsets.
  • Wireless speakers.
  • Intercom push-to-talk audio connection
  • Automotive hands free audio
  • Remote control for media player.
  • Computer accessories
  • Accelerometer ModuleADXL345 AccelerometerAccelerometer Registers and FunctionsRegisters
  • 8-bit register addresses ranging from 0x00 to 0x39
  • Sets the specs for the interrupts and contains serial, and bandwidth selection.
  • Contains a total of 14 different interrupt functions.
  • ADXL345 AccelerometerThreshold Calculation:4 g256 bits converted to HEX = FFGPS ModuleLS20031 GPS ModuleLS20031 GPS Pin Assignment and DescriptionsGSM ModuleSM5100B GSM ModuleAPPLICATION:
  • Sends SMS messages with corresponding GPS coordinates.
  • FEATURES:
  • Dimensions: 35.0 x 39.0 x 2.9mm.
  • Power: 3.3 – 4.2 V. Nominal 3.6 V.
  • Current consumption: <100 μA when module is off; and 2 mA in Sleep mode.
  • Quad-band GSM.
  • Frequency Bands: 900,850,1800,1900 MHz.
  • Supports UART interfaces.
  • Supports SIM (Auto Recognize).
  • Soldered connection for antenna.
  • LED to notify network status.
  • Price: $59.95
  • SM5100B Functional Block DiagramMCUMicrocontroller SelectionATMEL ATmega328
  • Primary means of control between system and subsystem peripherals.
  • Soft Serial Library included to communicate with multiple devices.
  • ATMEL ATmega328BatteryHTS Power SourceUltralife Lithium-Ion Battery 1800 mAhHTS Power Source
  • All devices will be in sleep mode during operation except for the Bluetooth.
  • HTS Recharge Circuit
  • Lithium Ion/Polymer Batteries require special charging
  • If not charged the proper way it could ruin the battery
  • Lithium Ion/Polymer USB Battery Charger IC - MAX1555
  • External Supply of 3.7V to 7V
  • Will recharge battery through USB connection
  • Max current charge of 300 mA
  • HTS EagleCAD SchematicHTS PCB DesignDimensions: 3.39 in X 3.08 in Price: $37.5Scenario 1- Reporting an AccidentScenario 2 – Respond from Emergency ContactThis Scenario follows the same steps as scenario 1 with added functions. Distribution of Work LoadMilestoneBudgetDifficulties
  • Getting both audio input and output from the Bluetooth module.
  • Getting proper voltage to all the modules.
  • Soldering very small components.
  • Questions?
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