Hello guys, can you help me? I try to read temperature and humidity from xymd-02 sensors using RS485. I connect them to arduino uno. I also using modbus as the protocol. This the code i use : ======================================================== #include <ModbusMaster.h> #define MAX45_DE 3 #…

Cannot read input register from rs485

charles221b August 30, 2021, 4:06am 4

thank you for that, i will try.

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