The QT600 system is based on three boards connected together.
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QT600 Interface Board
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Touch MCU Board
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Touch Sensor Board
Figure 1.
The MCU board and touch sensor boards together is the user touch system, and the QT600 Interface board is used to stream live touch data from the AVR MCU mounted on the MCU board. AVR QTouch Studio is used as the PC front end, for visualization of the touch data.