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 #…

@charles221b , your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with your project :wink: See About the Installation & Troubleshooting category . Please edit your post, select all code and click the </> button to apply code tags a…

thank you for that, i will try.

Cannot read input register from rs485

Development Tools IDE 1.x

lastchancename August 28, 2021, 5:11am 2

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Cannot read input register from rs485

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