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Using NUCLEOWB55G to communicate with RS485 device

odianosen_o
Associate

‎2024-03-06 12:46 AM

I saw in the stm32 datasheet that the chip has a means of communicating/controlling RS485 devices. However, there’s not enough information to figure out how to connect a differential pair of wires in hardware to the nucleo directly from a rs485 device to establish communication.

Other alternatives I’ve seen are using UART with an external module to convert UART signals from nucleo to RS485 channel. Is this the only option?

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STTwo-32
ST Employee

‎2024-03-06 6:26 AM

Hello @odianosen_o

The only way to connect an RS485 to the NUCLEO-WB55RG is using an external module as you said.

Best Regards.

STTwo-32

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