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  1. Minecraft (Bedrock codebase)
  2. MCPE-14791

Comparators don't activate when they're getting power from detector rails

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: 0.14.3, 0.15.0 Beta build 1, 0.15.0 Beta build 2, 0.15.0 Beta build 3, 0.15.0, 0.15.1 Beta 1, 0.15.1, 0.15.2, 0.15.3, 0.15.6, 0.15.90.0, 0.15.7, 0.15.90.1, 0.15.90.2, 0.15.8, 0.15.90.7, 0.16.0
    • Fix Version/s: 0.16.1
    • Confirmation Status:
      Confirmed
    • Platform:
      Android

      Description

      My device = Kingzone K1 turbo

      I exspected that the comparator' back is shining AND the comparator makes a redstone signal.

      I saw the comparator was not activated, even it did not make a redstone-signal, normally the comparator should do this!

      How to reproduce:
      1. Place a comparator
      2. Place a detector rail as a redstone-power-source at his back
      3. Place any type of minecart on it
      4. You will see, the comparator is not making anything

      UPDATE: As of 0.16.1, this bug is only partially fixed: Comparators can receive power from redstone dust that is powered by a detector rail, but they cannot recieve power directly from the detector rail. Sometimes, however, placing a comparator next to a detector rail will cause it to be momentarily powered when it is first placed, giving off a pulse of at least 1.5 rticks (3 gameticks), or however long a pulse is required to be in order to invert a redstone torch in MCPE. See this video for a demonstration: youtu.be/9E4gOTQ4W7c

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            • Reporter:
              uduster Daniel R.
            • Votes:
              3 Vote for this issue
              Watchers:
              7 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:
                CHK: