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  3. Replacement Starling 2 Max ToF Board

Replacement Starling 2 Max ToF Board

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  • Myles LevineM Offline
    Myles LevineM Offline
    Myles Levine
    Contributor
    wrote on last edited by
    #1

    Hello,

    I have reason to believe that I need to replace the ToF sensor on my drone. It has been getting inconsistent height estimates from that sensor, VIO says 1m and the ToF sensor says 0.01m, which has lead to the drone rising higher than desired. Additionally, looking at the ToF sensor there appears to be a discoloration on a portion of the sensor.

    Where can I get a replacement Starling 2 Max ToF board?

    Alex KushleyevA 1 Reply Last reply
    0
    • Myles LevineM Myles Levine

      Hello,

      I have reason to believe that I need to replace the ToF sensor on my drone. It has been getting inconsistent height estimates from that sensor, VIO says 1m and the ToF sensor says 0.01m, which has lead to the drone rising higher than desired. Additionally, looking at the ToF sensor there appears to be a discoloration on a portion of the sensor.

      Where can I get a replacement Starling 2 Max ToF board?

      Alex KushleyevA Offline
      Alex KushleyevA Offline
      Alex Kushleyev
      ModalAI Team
      wrote on last edited by
      #2

      @Myles-Levine , you can purchase the TOF sensor here : https://www.modalai.com/products/m0178?variant=48528287793456

      Myles LevineM 1 Reply Last reply
      0
      • Alex KushleyevA Alex Kushleyev

        @Myles-Levine , you can purchase the TOF sensor here : https://www.modalai.com/products/m0178?variant=48528287793456

        Myles LevineM Offline
        Myles LevineM Offline
        Myles Levine
        Contributor
        wrote on last edited by
        #3

        @Alex-Kushleyev Thank you for the link, but none of those parts appear to be what is on my drone. It should be this board
        https://docs.modalai.com/voxl2-mini-d0013/#flir-lepton
        with this component
        https://www.st.com/resource/en/datasheet/vl53l1x.pdf

        Alex KushleyevA 1 Reply Last reply
        0
        • Myles LevineM Myles Levine

          @Alex-Kushleyev Thank you for the link, but none of those parts appear to be what is on my drone. It should be this board
          https://docs.modalai.com/voxl2-mini-d0013/#flir-lepton
          with this component
          https://www.st.com/resource/en/datasheet/vl53l1x.pdf

          Alex KushleyevA Offline
          Alex KushleyevA Offline
          Alex Kushleyev
          ModalAI Team
          wrote on last edited by
          #4

          @Myles-Levine , sorry I thought you were referring to the other TOF sensor.

          You will need a new M0187 board : https://docs.modalai.com/M0187/ . Please reach out to us via this form https://www.modalai.com/pages/contact-us , since we don't have that part available on the official page.

          Is your Lepton sensor working properly?

          Alex

          Myles LevineM 1 Reply Last reply
          0
          • Alex KushleyevA Alex Kushleyev

            @Myles-Levine , sorry I thought you were referring to the other TOF sensor.

            You will need a new M0187 board : https://docs.modalai.com/M0187/ . Please reach out to us via this form https://www.modalai.com/pages/contact-us , since we don't have that part available on the official page.

            Is your Lepton sensor working properly?

            Alex

            Myles LevineM Offline
            Myles LevineM Offline
            Myles Levine
            Contributor
            wrote on last edited by
            #5

            @Alex-Kushleyev Thanks. I
            suspect the sensor is broken. In QGC I can see the distance_sensor value not making sense, lower values for some things that are further away, etc. I tested it against a second drone, and those values made much more sense, so I believe the Lepton is broken.
            Plus, there's a visible discoloration one of the lenses, about 1/3 of it looks green rather than amber.

            Alex KushleyevA 1 Reply Last reply
            0
            • Myles LevineM Myles Levine

              @Alex-Kushleyev Thanks. I
              suspect the sensor is broken. In QGC I can see the distance_sensor value not making sense, lower values for some things that are further away, etc. I tested it against a second drone, and those values made much more sense, so I believe the Lepton is broken.
              Plus, there's a visible discoloration one of the lenses, about 1/3 of it looks green rather than amber.

              Alex KushleyevA Offline
              Alex KushleyevA Offline
              Alex Kushleyev
              ModalAI Team
              wrote on last edited by
              #6

              Hi @Myles-Levine ,

              I just want to double check something to make sure there is no confusion.

              • The lepton sensor is an IR (thermal) camera. it does not measure range. The lepton sensor plugs into the large square socket that is mounted to the M0157 / M0187 board (they are very similar).
              • The infrared TOF sensor is a smaller (rectangular) sensor, which is marked as U1 on M0187 : https://docs.modalai.com/M0187/ .

              Have you checked whether the Lepton sensor is working using voxl-portal, which would allow you to look at the IR image coming from the sensor?

              Alex

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