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OBDII Bluetooth Dongle

OBDII Bluetooth Dongle. OBDII-BT Dongle - System Diagram . Targeted to extract ECM network data from OBD-II port of vehicles and transmit it over Bluetooth to Mobiles/Tablets .

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OBDII Bluetooth Dongle

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  1. OBDII Bluetooth Dongle

  2. OBDII-BT Dongle - System Diagram • Targeted to extract ECM network data from OBD-II port of vehicles and transmit it over Bluetooth to Mobiles/Tablets. • The OBD-II application software installed on the Mobile/Tablet can process the data and make it available to the end user. OBD II BT Dongle Off Line Logging Bluetooth Vehicle Data ISO 15765(CAN) J1850 ISO 9141 J1939 J1708 / J1587 USB Device access • Application • Torque • Proprietary

  3. Hardware Architecture OBD II Buzzer LED’s RTC OBD-II CONNECTOR SD Card USB port DC/DC Regulators Accelero-meter Classic/Smart Bluetooth module Transceiver • Microcontroller TIVATM4C1290 • OBD to UART STN1110 Hardware Block Diagram

  4. Software Architecture

  5. Feature set • CAN protocols supported • ISO 15765 • J1850 • ISO 9141 • J1939 • J1708 / J1587 • Critical PID monitoring • Boost, Fuel pressure, ECT, EGT, RPM, Throttle, Calibrated values • Logging of requested PIDs based on scheduled interval (in SD card) and transfer via blue tooth based on paired device availability • Clearing of the Diagnostic trouble codes on restart and start scanning for the same on periodic basis, buzzer alerts and led indication if any raised DTC • Offline Data logging with Time Stamp (based calendar information)   • Configuring and monitoring of threshold values for the PID and buzzer alerts or LED indication • Support for Standard applications like Torque along with proprietary applications • Power Saving mode • Firmware upgrade through SD card • External interface support for SD card • USB device functionality for data retrieval

  6. Thank You!

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