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Wireless OBDII-Bluetooth Interface
Bezdíček, Jan ; Šimek, Václav (referee) ; Bartoš, Pavel (advisor)
The goal of this bachelor's thesis was to design an OBDII interface, which would have been able to communicate with a PC through Bluetooth interface. Designed wireless interface is able to diagnose all OBDII equipped vehicles, but the vehicles have to communicate by some of the supported protocols. It is possible to communicate with a vehicle using a software application or by simple commands in data terminal as well. Main parts of the device are a proprietary ELM327 microcontroller and an industrial Bluetooth module. The built-up device has been tested and it is able to display right values of vehicle sensors and to operate diagnostic trouble codes as well.
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Universal Onboard Automotive Computer
Novohradský, Petr ; Crha, Adam (referee) ; Šimek, Václav (advisor)
This work includes the complete design of a prototype embedded system for displaying information from a vehicle. ELM327 chip is described and its basic use. Work also describes the development of the diagnostic socket for vehicles in European countries. Also contains a complete description of developing schematic, printed circuit board and firmware implementation. The thesis describes the use of realtime operating system in embedded system.
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On-board Computer Unit with Testing for Cars
Špatenka, Jan ; Navrátil,, Vlastimil (referee) ; Dušek, Martin (advisor)
This thesis deals with the design and implementation of on-board computer unit with testing for cars. The first part focuses on circuit design concepts. Measurement data acquisition module uses standard OBD2. The module is designed based on the measuring circuit STN1110. Measuring module equipped with USB and JTAG communicates with the nearby devices. The control module is equipped with ARM microcontroller. The second part deals with the implementation of software for the microcontroller and the PC application. Finally, test results of the on-board computer implemented are presented.
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