Developing bluetooth module for automotive device

OData support
Szabó Zoltán
Department of Automation and Applied Informatics

The Robert Bosch Ltd. has existing park pilot systems for cars. This has come to a new stage, where the ultrasonic sensors not only can be found at the rear of the car, but also at the front.

But in this case, the rear and front sensors must be connected to a single controlling unit, and with this requirement the cost of installing and cabling increases significantly because of the high price of cables and connectors. The using of a wireless technology could be a solution for this problem. There are several technologies for the communication over the air, but the decision was to solve it with using of the Bluetooth technology. Because it is not only able to solve the data transfer between the sensor groups, but it is capable to send data to another wide spread devices, like smart phones or PDA-s, which can display the distances, or draw a suitable route for the parking.

The solution has to be as cheap as possible, because of the mass production. Further goal is the reliability and the universal availability of the device, which means it should be designed so, that it can be used later in another projects.


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