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A traditional method for transferring data in rotating mechanisms has been the slip ring, but these are not viable inside pistons due to size, the associated cabling, and the requirement of one slip ring per parameter. A mechatronic data acquisition system is developed whereby signal conditioning is performed by the sensor and the signal passed to a Bluetooth transmitter module for wireless telemetry to a Bluetooth receiver located in very close proximity, connected to an external host PC. The Data AcQuisition (DAQ) Bluetooth module integrates a microcontroller that reads the conditioned thermocouple signal and performs any other DAQ functionality required.
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