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Joseph.o

03-13-2023, 10:59 PM
hello,
i want to connect the kc868-A6 with a 8 input 8 output rs485 relay.
is there any source code that can use it or start with?


[Image: DC-12V-24V-Multifunction-RS485-IO-Board-....jpg_.webp]

admin

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".
Smart Home Automation Forum > Technical Support > KC868-A6 > kc868-A6 relay module RS485 communication