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    LoPy4+expansionboard + SHT10 sensor

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    • S Offline
      Sudosu132
      last edited by Sudosu132

      I need to make a device that measures soil temperature and moisture and sends data over LoRa to thethingsnetwork.
      The sensor is this https://www.seeedstudio.com/Soil-Moisture-Temperature-Sensor-p-1356.html
      How can I get started? I'm new with these things so I'm quite confused.
      I connected sensor VCC wire to expboard 3.3V pin and GND wire to GND pin and data wire to expboard G31. What do I do with that clock wire?
      And how do I measure the temp and moisture?

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      • robert-hhR Offline
        robert-hh @Sudosu132
        last edited by

        @Sudosu132 The search function on the board is very useful. It revealed this post, which may help you:
        https://forum.pycom.io/topic/532/sht21d-i2c-and-wipy2/8

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        • S Offline
          Sudosu132 @robert-hh
          last edited by

          @robert-hh
          Thanks, I just found that too but I'm still not sure how to start this. Do I need those pullup resistors for my sensors?

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          • robert-hhR Offline
            robert-hh @Sudosu132
            last edited by

            @Sudosu132 You will need the pull-up resistors. For testing with the provided 1m cable the soft-pullup's of the ESP32 may be sufficient. If there is a problem, you can lower the baud rate by increasing PULSE_SHORT and PULSE_LONG.

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