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MSP430 launchpad get data from sensor via UART

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Which exact MSP430 MCU are you using? If it is the MSP430G2553, it only has one serial UART. You should consider other MSP430 with 2 UART ports instead.

Additionally, the MSP430 runs at 3.3 V, not 5 V. You may need logic level converters to connect the serial device.

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