after working a bit with the UART, both RX and TX LEDs are lit continuously and I cannot get any response from it. I guess my board is gone, I wonder what should I do to avoid this situation with the next OBD-II UART board I buy?
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after working a bit with the UART, both RX and TX LEDs are lit continuously and I cannot get any response from it. I guess my board is gone, I wonder what should I do to avoid this situation with the next OBD-II UART board I buy?