Recent content by JYWongXeron

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    MAX485 module RO pin nearing 0V

    Dear community, I have been working on reading data from an energy meter via modbus RTU. I am using MAX485 TTL to RS485 module as transceivers in between the Modbus ports of the meters and the Serial ports of my microcontroller. To my understanding, the RO pin on the MAX485 should give around...