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  • RE: SN75176B: What is the best transceiver and cable model for my application?

    Edemilso, First of all, please check out this app note , in which many of your questions are addressed (especially section 9. Data Rate Versus Bus Length). 1) At 9600bps, the communication distance is mainly limited by cable loss (resistive attenuation…
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  • RS-485 IC inputs need pull-ups?

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    Other Parts Discussed in Thread: SN75HVD07 , SN65HVD10 Hi, I have been using the MAX485 IC break-out that most Arduino noobs like myself encounter. As you can see in the schematic all the IC inputs (D, DE, RE, R) have 10K pull-ups. I connect DI to TX, and…
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