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kc868-A6 relay module RS485 communication

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kc868-A6 relay module RS485 communication
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#2
03-14-2023, 12:09 AM
if you want extend relay by this board, you can write arduino code for RS485.
just write code for modbus. A6 work as "MASTER", your relay board is "SLAVE".
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RE: kc868-A6 relay module RS485 communication - by admin - 03-14-2023, 12:09 AM

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