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LDmicro Forum - Tx pin |
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Tx pin (by Boris)
What to do with Tx pin if Rx is used for LCD, to put 10k resistor to GND or something else?
(no subject) (by MGP)
You can leave it open or you can use a pullup (10K) if you have problems.
UART is standard high when nothing is send. I always leave the pin open.
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