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    Ultrasonic sensor

    Installations, Ideas & Realisations
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    • H
      honza.muller last edited by

      Hi,
      Is there a way to connect and read distance from ultrasonic sensor like this one?

      https://www.laskarduino.cz/arduino-vodotesny-ultrazvukovy-meric-vzdalenosti-jsn-sr04t-s-kabelem/?gclid=CjwKCAjwjdOIBhA_EiwAHz8xm3w9kaXt_DQi0t5IG5i7OsrgoTHPGvs_b9qViUSd_kD4WrFFOKzzgBoCE4YQAvD_BwE

      Martin Kudláček 1 Reply Last reply Reply Quote 0
      • Martin Kudláček
        Martin Kudláček @honza.muller last edited by

        Hi @honza-muller,
        this module is based on measuring very fast time - 100s of microseconds. Our devices don't have support for such measurements. The measurement would have to be done in SW, but not with this precision, since the execution of the software is not time-deterministic.

        I don't know what you are trying to measure, but people in most cases use these type of sensors for measuring water level. For that, I suggest to use this sensor: 4-20mA Water Level Sensor Submersible Liquid Level Transmitter Transducer 0-5m.

        Best regards,
        Martin

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        • H
          honza.muller last edited by

          Ok, thx for answer. Another way is probably to use MCU together with ultrasonic sensor and setup some kind of modbus server on it and than unipi should read from it easily, hm? Am i right?

          Thx

          Martin Kudláček 1 Reply Last reply Reply Quote 0
          • Martin Kudláček
            Martin Kudláček @honza.muller last edited by

            Hi @honza-muller,
            yes, that will work as well. Arduino + MAX485 is tried and true. Just be aware, that the Unipi 1.1 doesn't have RS485, only Neuron / Patron / Gate.

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