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+--- Thread: serial rx/tx and rs485 A/B (/showthread.php?tid=3413)
serial rx/tx and rs485 A/B - gsmstudio - 10-20-2023
Hello, how to configure serial rx/tx and rs485 A/B.
RE: serial rx/tx and rs485 A/B - admin - 10-20-2023
RS485:
RXD(A): GPIO32
TXD(B): GPIO33 (DOWN terminal in your photo)
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4G GSM Module / Extend serial port: (UP terminal in your photo)
RXD: GPIO13
TXD: GPIO15