In the diploma thesis we describe design and realisation of two circuits, USB hub and connection board, which are sub-units of a data acquisition measurement system. The system can also perform many mathematical operations of the acquired data from the attached sensors and showing the results in many different ways. While the USB hub connects the tablet computer with measurement units, the connection board's main purpose is to electrically connect the parts together into a single unit. Selecting the electrical components, editing circuit diagrams and designing the PCB are the tasks to be done beside the testing and validation in the end.
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